Weather archive in Santa Rosa
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| Date / Local time | T | Po | P | Pa | U | DD | Ff | ff10 | ff3 | N | WW | W1 | W2 | Tn | Tx | Cl | Nh | H | Cm | Ch | VV | Td | RRR | tR | E | Tg | E' | sss | |
| 2026 May 9, Saturday | 03 | 7.4 45 | 747.4 29.43 996.45 996.45 | 764.8 30.11 1019.65 1019.65 | 1.7 0.07 2.27 2.27 | 72 | Wind blowing from the south-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 2.6 37 | No precipitation No precipitation | 6 | |||||||||
02 | 7.6 46 | 746.9 29.41 995.79 995.79 | 764.4 30.09 1019.12 1019.12 | 1.9 0.07 2.53 2.53 | 72 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 2.9 37 | |||||||||||||||
01 | 7.7 46 | 746.3 29.38 994.99 994.99 | 763.8 30.07 1018.32 1018.32 | 2.4 0.09 3.2 3.2 | 80 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 40%. 4/10. 3 oktas | 50-100 164-328 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.5 40 | |||||||||||||||
00 | 7.9 46 | 745.7 29.36 994.19 994.19 | 763.2 30.05 1017.52 1017.52 | 2.8 0.11 3.73 3.73 | 79 | Wind blowing from the south-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 60%. 6/10. 5 oktas | 50-100 164-328 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 4.5 40 | ||||||||||||
| May 8, Friday | 23 | 7.8 46 | 745.0 29.33 993.25 993.25 | 762.4 30.02 1016.45 1016.45 | 3.0 0.12 4 4 | 83 | Wind blowing from the south-southwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 60%. 6/10. 5 oktas | 50-100 164-328 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 5.1 41 | |||||||||||
22 | 7.3 45 | 743.9 29.29 991.79 991.79 | 761.5 29.98 1015.25 1015.25 | 3.1 0.12 4.13 4.13 | 88 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing) not falling as shower(s). | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 50-100 164-328 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 30.0 18.6 | 5.5 42 | ||||||||||||
21 | 6.2 43 | 742.9 29.25 990.45 990.45 | 760.4 29.94 1013.78 1013.78 | 3.2 0.13 4.27 4.27 | 94 | Wind blowing from the south-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, intermittent, slight at time of observation. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 4.6 40 | 13.7 57 | Stratus fractus or Cumulus fractus of bad weather, or both (pannus), usually below Altostratus or Nimbostratus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 100-200 328-656 | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | 10.0 6.2 | 5.3 42 | 0.9 0.04 | 6 | ||||||||
20 | 5.2 41 | 742.0 29.21 989.25 989.25 | 759.5 29.9 1012.58 1012.58 | 3.5 0.14 4.67 4.67 | 91 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, continuous, slight at time of observation. | Rain. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus other than Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 4.5 2.8 | 3.8 39 | |||||||||||||
19 | 8.1 47 | 740.8 29.17 987.65 987.65 | 758.2 29.85 1010.85 1010.85 | 2.4 0.09 3.2 3.2 | 63 | Wind blowing from the south-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 6.0 3.7 | 1.3 34 | |||||||||||
18 | 9.7 49 | 739.7 29.12 986.19 986.19 | 757.0 29.8 1009.25 1009.25 | 1.9 0.07 2.53 2.53 | 44 | Wind blowing from the south-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -2.0 28 | ||||||||||||||
17 | 12.6 55 | 738.5 29.07 984.59 984.59 | 755.7 29.75 1007.52 1007.52 | -0.6 -0.02 -0.8 -0.8 | 25 | Wind blowing from the south-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 40%. 4/10. 3 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | -7.2 19 | ||||||||||||||
16 | 13.3 56 | 738.4 29.07 984.45 984.45 | 755.6 29.75 1007.38 1007.38 | -1.8 -0.07 -2.4 -2.4 | 25 | Wind blowing from the south-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -6.6 20 | ||||||||||||||
15 | 12.5 55 | 737.8 29.05 983.65 983.65 | 755.0 29.72 1006.58 1006.58 | -2.8 -0.11 -3.73 -3.73 | 24 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | -7.4 19 | No precipitation No precipitation | 6 | ||||||||||||
14 | 12.1 54 | 739.1 29.1 985.39 985.39 | 756.4 29.78 1008.45 1008.45 | -1.7 -0.07 -2.27 -2.27 | 21 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | -9.5 15 | ||||||||||||||
13 | 10.5 51 | 740.2 29.14 986.85 986.85 | 757.5 29.82 1009.92 1009.92 | -0.9 -0.04 -1.2 -1.2 | 20 | Wind blowing from the south-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | -11.9 11 | ||||||||||||||
12 | 9.5 49 | 740.6 29.16 987.39 987.39 | 757.9 29.84 1010.45 1010.45 | -0.6 -0.02 -0.8 -0.8 | 30 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 50%. 5/10. 4 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | -7.4 19 | ||||||||||||||
11 | 8.7 48 | 740.8 29.17 987.65 987.65 | 758.1 29.85 1010.72 1010.72 | -0.1 -0 -0.13 -0.13 | 30 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 60%. 6/10. 5 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus castellanus or floccus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | -8.0 18 | ||||||||||||||
10 | 7.4 45 | 741.1 29.18 988.05 988.05 | 758.5 29.86 1011.25 1011.25 | 0.2 0.01 0.27 0.27 | 36 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | -6.7 20 | ||||||||||||||
09 | 5.4 42 | 741.2 29.18 988.19 988.19 | 758.5 29.86 1011.25 1011.25 | 0.4 0.02 0.53 0.53 | 42 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | 4.6 40 | 10.4 51 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -6.6 20 | ||||||||||||
08 | 5.0 41 | 740.9 29.17 987.79 987.79 | 758.3 29.85 1010.98 1010.98 | 0.3 0.01 0.4 0.4 | 45 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -6.0 21 | ||||||||||||||
07 | 5.5 42 | 740.9 29.17 987.79 987.79 | 758.3 29.85 1010.98 1010.98 | 0.1 0 0.13 0.13 | 44 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -6.0 21 | ||||||||||||||
06 | 6.3 43 | 740.8 29.17 987.65 987.65 | 757.9 29.84 1010.45 1010.45 | 0.0 0 0 0 | 42 | Wind blowing from the south-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -5.9 21 | ||||||||||||||
05 | 6.3 43 | 740.6 29.16 987.39 987.39 | 757.8 29.83 1010.32 1010.32 | 0.0 0 0 0 | 42 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -5.9 21 | ||||||||||||||
04 | 6.5 44 | 740.8 29.17 987.65 987.65 | 757.9 29.84 1010.45 1010.45 | 0.2 0.01 0.27 0.27 | 46 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 40%. 4/10. 3 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | no clouds no clouds no clouds | 2500 or more, or no clouds. 8202 or more, or no clouds. | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 30.0 18.6 | -4.4 24 | ||||||||||||||
03 | 7.7 46 | 740.8 29.17 987.65 987.65 | 758.0 29.84 1010.58 1010.58 | 0.3 0.01 0.4 0.4 | 42 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 20–30%. 2/10–3/10. 2 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 30.0 18.6 | -4.4 24 | No precipitation No precipitation | 6 | ||||||||||||