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 20, Thursday | 01 | -12.7 9 | 596.9 23.5 795.8 795.8 | -0.7 -0.03 -0.93 -0.93 | 75 | Wind blowing from the west-northwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 40%. 4/10. 3 oktas | -10.5 13 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 20–30%. 2/10–3/10. 2 oktas | 2000-2500 6562-8202 | Altocumulus translucidus at a single level. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -16.2 3 | |||||||||||||
| February 19, Wednesday | 22 | -12.9 9 | 597.6 23.53 796.73 796.73 | -0.2 -0.01 -0.27 -0.27 | 77 | Wind blowing from the west-northwest | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 50%. 5/10. 4 oktas | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 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 fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -16.2 3 | |||||||||||||||
19 | -13.3 8 | 597.8 23.54 797 797 | 76 | Wind blowing from the west-northwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 40%. 4/10. 3 oktas | -10.5 13 | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 71.0 44.1 | -16.6 2 | ||||||||||||||||
16 | -11.8 11 | 597.5 23.52 796.6 796.6 | 0.2 0.01 0.27 0.27 | 63 | Wind blowing from the north-west | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 50%. 5/10. 4 oktas | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 50%. 5/10. 4 oktas | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 71.0 44.1 | -17.5 1 | ||||||||||||||||
13 | -13.3 8 | 597.8 23.54 797 797 | 0.4 0.02 0.53 0.53 | 76 | Wind blowing from the west-northwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 40%. 4/10. 3 oktas | -26.3 -15 | -10.5 13 | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | Altocumulus translucidus at a single level. | No Cirrus, Cirrocumulus or Cirrostratus. | 71.0 44.1 | -16.6 2 | ||||||||||||||
10 | -11.5 11 | 597.4 23.52 796.47 796.47 | 1.9 0.07 2.53 2.53 | 71 | Wind blowing from the north-northwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | Fog or ice fog. | 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. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 50%. 5/10. 4 oktas | 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, but the continuous veil does not reach 45 degrees above the horizon. | 71.0 44.1 | -15.8 4 | |||||||||||||
07 | -13.4 8 | 595.5 23.44 793.93 793.93 | 1.2 0.05 1.6 1.6 | 72 | Wind blowing from the north-northwest | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | 20–30%. 2/10–3/10. 2 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. | -26.4 -16 | -13.4 8 | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | Altostratus opacus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 71.0 44.1 | -17.4 1 | |||||||||||
04 | -19.3 -3 | 594.3 23.4 792.34 792.34 | 1.0 0.04 1.33 1.33 | 53 | Wind blowing from the north-west | Strong gale (24 m/s) (86 km/h) (54 mph) (47 knots) (9 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. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | Altostratus opacus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 0.2 0.1 | -26.5 -16 | |||||||||||||
01 | -26.3 -15 | 593.3 23.36 791 791 | 0.4 0.02 0.53 0.53 | 100 | Wind blowing from the west-northwest | 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. | Snow and/or other types of solid precipitation | Fog or ice fog or thick haze. | -27.8 -18 | -24.9 -13 | 0.1 0.06 | -26.3 -15 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||