Weather archive on Mount Washington (AWS)
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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 | |
| 2025 February 22, Saturday | 19 | -15.0 5 | 597.9 23.54 797.13 797.13 | 0.0 0 0 0 | 65 | Wind blowing from the west | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | 40%. 4/10. 3 oktas | -14.9 5 | 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 | 1500-2000 4921-6562 | Altocumulus translucidus at a single level. | 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. | 71.0 44.1 | -20.1 -4 | |||||||||||||
16 | -14.9 5 | 597.9 23.54 797.13 797.13 | -0.8 -0.03 -1.07 -1.07 | 62 | Wind blowing from the west | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -20.6 -5 | ||||||||||||||||
13 | -15.9 3 | 598.7 23.57 798.2 798.2 | -0.4 -0.02 -0.53 -0.53 | 13 | Wind blowing from the west-northwest | Gale (19 m/s) (68 km/h) (43 mph) (37 knots) (8 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | -23.4 -10 | -15.0 5 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -38.0 -36 | ||||||||||||||
10 | -15.0 5 | 599.1 23.59 798.73 798.73 | 0.7 0.03 0.93 0.93 | 64 | Wind blowing from the north-west | Strong gale (24 m/s) (86 km/h) (54 mph) (47 knots) (9 Bft) | 50%. 5/10. 4 oktas | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | 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. | 71.0 44.1 | -20.3 -5 | ||||||||||||||||
07 | -16.9 2 | 598.4 23.56 797.8 797.8 | 0.5 0.02 0.67 0.67 | 26 | Wind blowing from the north-west | Violent storm (32 m/s) (115 km/h) (72 mph) (62 knots) (11 Bft) | 60%. 6/10. 5 oktas | Fog or ice fog. | Fog or ice fog or thick haze. | Blizzard | -23.4 -10 | -14.5 6 | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -32.0 -26 | |||||||||||
04 | -22.5 -9 | 597.9 23.54 797.13 797.13 | 0.0 0 0 0 | 70 | Wind blowing from the north-west | Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Fog or ice fog, sky visible, no appreciable change during the preceding hour. | Fog or ice fog or thick haze. | Blizzard | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 0.1 0.06 | -26.5 -16 | |||||||||||||
01 | -22.4 -8 | 597.9 23.54 797.13 797.13 | 71 | Wind blowing from the west-northwest | Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Blizzard | -22.4 -8 | -14.5 6 | Stratocumulus other than Stratocumulus cumulogenitus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Less than 50 Less than 50 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 0.1 0.06 | -26.3 -15 | |||||||||||
| February 21, Friday | 19 | -18.2 -1 | 598.2 23.55 797.53 797.53 | 1.4 0.06 1.87 1.87 | 79 | Wind blowing from the north-west | Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | -19.0 -2 | -14.8 5 | Stratocumulus other than Stratocumulus cumulogenitus. | 70 – 80%. 7/10 – 8/10. 6 oktas | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 0.1 0.06 | -21.0 -6 | ||||||||||