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 | |
| 2026 March 18, Wednesday | 10 | -21.5 -7 | 600.3 23.63 800.33 800.33 | 2.5 0.1 3.33 3.33 | 72 | Wind blowing from the west-northwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 40%. 4/10. 3 oktas | Fog or ice fog in patches. | 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. | Stratocumulus other than Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 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. | 71.0 44.1 | -25.2 -13 | ||||||||||||
07 | -24.3 -12 | 597.8 23.54 797 797 | 2.4 0.09 3.2 3.2 | 100 | Wind blowing from the west-northwest | Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog, depositing rime, sky invisible. Depth of newly fallen snow is 1 cm. 0.4 inches. | Shower(s). | Fog or ice fog or thick haze. | -24.5 -12 | 0.1 0.06 | -24.3 -12 | 0.3 0.01 | 6 | ||||||||||||||
04 | -23.2 -10 | 595.4 23.44 793.8 793.8 | 1.4 0.06 1.87 1.87 | 100 | Wind blowing from the west | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog, depositing rime, sky invisible. | Shower(s). | Fog or ice fog or thick haze. | 0.1 0.06 | -23.2 -10 | |||||||||||||||||
01 | -23.4 -10 | 594.0 23.39 791.94 791.94 | 1.1 0.04 1.47 1.47 | 100 | Wind blowing from the west | Storm (27 m/s) (97 km/h) (60 miles/hour) (52 knots) (10 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog, depositing rime, sky invisible. | Shower(s). | Fog or ice fog or thick haze. | -23.4 -10 | less than 0.1 less than 0.06 | -23.4 -10 | 0.3 0.01 | 6 | ||||||||||||||
| March 17, Tuesday | 22 | -22.8 -9 | 592.9 23.34 790.47 790.47 | 1.6 0.06 2.13 2.13 | 100 | Wind blowing from the west-northwest | Violent storm (31 m/s) (112 km/h) (69 miles/hour) (60 knots) (11 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Snow shower(s), slight. | Shower(s). | Fog or ice fog or thick haze. | less than 0.1 less than 0.06 | -22.8 -9 | ||||||||||||||||
19 | -18.8 -2 | 591.3 23.28 788.34 788.34 | 1.2 0.05 1.6 1.6 | 100 | Wind blowing from the west | Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Snow shower(s), slight. | Shower(s). | Fog or ice fog or thick haze. | -18.8 -2 | -9.7 15 | 0.1 0.06 | -18.8 -2 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
16 | -17.2 1 | 590.1 23.23 786.74 786.74 | 1.2 0.05 1.6 1.6 | 89 | Wind blowing from the west | Hurricane (34 m/s) (122 km/h) (76 miles/hour) (66 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 | Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 100-200 328-656 | 71.0 44.1 | -18.6 -1 | ||||||||||||||
13 | -15.1 5 | 588.9 23.19 785.14 785.14 | 0.9 0.04 1.2 1.2 | 90 | Wind blowing from the west | Violent storm (30 m/s) (108 km/h) (67 miles/hour) (58 knots) (11 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog or ice fog, sky invisible (has become thinner during the preceding hour). Depth of newly fallen snow is 1 cm. 0.4 inches. | Shower(s). | Snow and/or other types of solid precipitation | -15.1 5 | 5.9 43 | 0.3 0.2 | -16.4 2 | 0.3 0.01 | 6 | |||||||||||||
10 | -12.9 9 | 588.0 23.15 783.94 783.94 | 100 | Wind blowing from the west | Hurricane (34 m/s) (122 km/h) (76 miles/hour) (66 knots) (12 Bft) | Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. Sky obscured by fog and/or other meteorological phenomena. | Fog, depositing rime, sky invisible. | Shower(s). | Snow and/or other types of solid precipitation | less than 0.1 less than 0.06 | -12.9 9 | ||||||||||||||||||