Weather archive on Mount Washington (AWS)
View weather archive
Download weather archive
Weather statistics
| 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 December 26, Friday | 22 | -12.0 10 | 596.0 23.46 794.6 794.6 | -0.4 -0.02 -0.53 -0.53 | 39 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 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. | 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 other than Stratocumulus cumulogenitus. | 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. | 71.0 44.1 | -23.1 -10 | ||||||||||||
19 | -7.8 18 | 596.4 23.48 795.13 795.13 | 20 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 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, not reaching the ground or the surface of the sea. | 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. | -23.9 -11 | -5.9 21 | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 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 (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 | -26.9 -16 | |||||||||||
16 | -8.3 17 | 597.2 23.51 796.2 796.2 | 0.1 0 0.13 0.13 | 17 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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. | 60%. 6/10. 5 oktas | 2000-2500 6562-8202 | Altostratus translucidus. | 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 | -28.8 -20 | |||||||||||||||
13 | -13.3 8 | 597.1 23.51 796.07 796.07 | 6 | Wind blowing from the north-northwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | -25.5 -14 | -13.3 8 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | Altostratus translucidus. | 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 | -42.3 -44 | ||||||||||||||
10 | -17.5 1 | 597.6 23.53 796.73 796.73 | 29 | Wind blowing from the north-northeast | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 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 (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 | -31.3 -24 | |||||||||||||||||
07 | -21.0 -6 | 596.5 23.48 795.27 795.27 | 0.9 0.04 1.2 1.2 | 41 | Wind blowing from the north | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | -25.5 -14 | -11.2 12 | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 40%. 4/10. 3 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -30.7 -23 | ||||||||||||||
04 | -17.5 1 | 597.6 23.53 796.73 796.73 | 2.4 0.09 3.2 3.2 | 29 | Wind blowing from the north-northeast | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 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 (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 | -31.3 -24 | ||||||||||||||||
01 | -23.9 -11 | 595.2 23.43 793.53 793.53 | 1.2 0.05 1.6 1.6 | 58 | Wind blowing from the north-northwest | Hurricane (33 m/s) (119 km/h) (74 mph) (64 knots) (12 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Fog or ice fog. | Fog or ice fog or thick haze. | Blizzard | -25.5 -14 | -11.2 12 | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 70 – 80%. 7/10 – 8/10. 6 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | -29.9 -22 | |||||||||||
| December 25, Thursday | 22 | -25.3 -14 | 594.0 23.39 791.94 791.94 | 100 | Wind blowing from the north-west | Violent storm (30 m/s) (108 km/h) (67 miles/hour) (58 knots) (11 Bft) | 60%. 6/10. 5 oktas | Fog, depositing rime, sky visible. | Fog or ice fog or thick haze. | Blizzard | Stratus nebulosus or Stratus fractus other than of bad weather, or both. | 60%. 6/10. 5 oktas | Less than 50 Less than 50 | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 0.1 0.06 | -25.3 -14 | ||||||||||||