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 March 22, Saturday | 22 | -11.7 11 | 591.6 23.29 788.74 788.74 | -0.7 -0.03 -0.93 -0.93 | 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. | less than 0.1 less than 0.06 | -11.7 11 | ||||||||||||||||
19 | -5.0 23 | 592.3 23.32 789.67 789.67 | 0.2 0.01 0.27 0.27 | 100 | Wind blowing from the west | Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 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. Depth of newly fallen snow is 2 cm. 0.8 inches. | Shower(s). | Fog or ice fog or thick haze. | -12.4 10 | -3.2 26 | less than 0.1 less than 0.06 | -5.0 23 | 3.0 0.12 | 6 | |||||||||||||
16 | -3.4 26 | 592.1 23.31 789.4 789.4 | 74 | Wind blowing from the west-southwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 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, near to, but not 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. | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 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 | -7.5 19 | |||||||||||||
15 | -3.4 26 | 592.1 23.31 789.4 789.4 | 74 | Wind blowing from the west-southwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 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, near to, but not 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. | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | 600-1000 1968-3281 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 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 | -7.5 19 | |||||||||||||
13 | -3.4 26 | 592.2 23.31 789.54 789.54 | -1.4 -0.06 -1.87 -1.87 | 79 | Wind blowing from the west-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 | -12.9 9 | -3.2 26 | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | 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. | 71.0 44.1 | -6.6 20 | ||||||||||||||
10 | -4.3 24 | 593.6 23.37 791.4 791.4 | 0.0 0 0 0 | 73 | Wind blowing from the west-southwest | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 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 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 | -8.5 17 | |||||||||||||||
07 | -8.3 17 | 593.6 23.37 791.4 791.4 | 79 | Wind blowing from the west-northwest | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | -12.9 9 | Stratocumulus other than Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | 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 | -11.3 12 | |||||||||||||||
04 | -9.7 15 | 593.5 23.37 791.27 791.27 | 0.8 0.03 1.07 1.07 | 58 | Wind blowing from the west-northwest | Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft) | 20–30%. 2/10–3/10. 2 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. | Altostratus translucidus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -16.5 2 | |||||||||||||||
01 | -12.3 10 | 592.7 23.33 790.2 790.2 | 0.7 0.03 0.93 0.93 | 81 | Wind blowing from the north-west | Violent storm (32 m/s) (115 km/h) (72 mph) (62 knots) (11 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Fog or ice fog. | Fog or ice fog or thick haze. | Blizzard | -12.9 9 | Stratocumulus other than Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -14.9 5 | ||||||||||||