Weather archive on Mount Washington (AWS), METAR
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Weather statistics
| Date / Local time | T | Po | P | U | DD | Ff | ff10 | WW | W'W' | c | VV | Td | |
| 2025 December 15, Monday | 01:52 | -23 -9 | 92 | Wind blowing from the north-northwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | Freezing (supercooled) fog, blowing snow | Broken clouds (60-90%) less than 30 mBroken clouds (60-90%) less than 984 feet Broken clouds (6/10-9/10) less than 30 mBroken clouds (6/10-9/10) less than 984 feet Broken clouds (5-7 oktas) less than 30 mBroken clouds (5-7 oktas) less than 984 feet | 0.2 0.1 | -24 -11 | |||
00:53 | -26 -15 | 91 | Wind blowing from the north-northwest | Gale (18 m/s) (65 km/h) (40 miles/hour) (35 knots) (8 Bft) | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | Partial (covering part of the aerodrome) fog | Few clouds (10-30%), few clouds (10-30%), broken clouds (60-90%) less than 30 m , broken clouds (60-90%) 600 m1968 feetFew clouds (10-30%), few clouds (10-30%), broken clouds (60-90%) less than 984 feet , broken clouds (60-90%) 600 m1968 feet Few clouds (1/10-3/10), few clouds (1/10-3/10), broken clouds (6/10-9/10) less than 30 m , broken clouds (6/10-9/10) 600 m1968 feetFew clouds (1/10-3/10), few clouds (1/10-3/10), broken clouds (6/10-9/10) less than 984 feet , broken clouds (6/10-9/10) 600 m1968 feet Few clouds (1-2 oktas), few clouds (1-2 oktas), broken clouds (5-7 oktas) less than 30 m , broken clouds (5-7 oktas) 600 m1968 feetFew clouds (1-2 oktas), few clouds (1-2 oktas), broken clouds (5-7 oktas) less than 984 feet , broken clouds (5-7 oktas) 600 m1968 feet | 0.2 0.1 | -27 -17 | ||||
| December 14, Sunday | 23:52 | -26 -15 | 100 | Wind blowing from the west-northwest | Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | Freezing (supercooled) fog, blowing snow | Broken clouds (60-90%) less than 30 mBroken clouds (60-90%) less than 984 feet Broken clouds (6/10-9/10) less than 30 mBroken clouds (6/10-9/10) less than 984 feet Broken clouds (5-7 oktas) less than 30 mBroken clouds (5-7 oktas) less than 984 feet | 0.1 0.1 | -26 -15 | |||
22:54 | -26 -15 | 100 | Wind blowing from the west-northwest | Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft) | 24 m/s 86 km/h 54 mph 47 knots 9 Bft | Freezing (supercooled) fog, blowing snow | Broken clouds (60-90%) less than 30 mBroken clouds (60-90%) less than 984 feet Broken clouds (6/10-9/10) less than 30 mBroken clouds (6/10-9/10) less than 984 feet Broken clouds (5-7 oktas) less than 30 mBroken clouds (5-7 oktas) less than 984 feet | 0.1 0.1 | -26 -15 | ||||
21:55 | -26 -15 | 91 | Wind blowing from the west-northwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | Partial (covering part of the aerodrome) fog | Few clouds (10-30%), broken clouds (60-90%) less than 30 m , broken clouds (60-90%) 600 m1968 feetFew clouds (10-30%), broken clouds (60-90%) less than 984 feet , broken clouds (60-90%) 600 m1968 feet Few clouds (1/10-3/10), broken clouds (6/10-9/10) less than 30 m , broken clouds (6/10-9/10) 600 m1968 feetFew clouds (1/10-3/10), broken clouds (6/10-9/10) less than 984 feet , broken clouds (6/10-9/10) 600 m1968 feet Few clouds (1-2 oktas), broken clouds (5-7 oktas) less than 30 m , broken clouds (5-7 oktas) 600 m1968 feetFew clouds (1-2 oktas), broken clouds (5-7 oktas) less than 984 feet , broken clouds (5-7 oktas) 600 m1968 feet | 0.1 0.1 | -27 -17 | ||||
20:57 | -25 -13 | 100 | Wind blowing from the west-northwest | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | Freezing (supercooled) fog, blowing snow | Broken clouds (60-90%) less than 30 mBroken clouds (60-90%) less than 984 feet Broken clouds (6/10-9/10) less than 30 mBroken clouds (6/10-9/10) less than 984 feet Broken clouds (5-7 oktas) less than 30 mBroken clouds (5-7 oktas) less than 984 feet | 0.2 0.1 | -25 -13 | ||||
19:54 | -24 -11 | 70 | Wind blowing from the west-northwest | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | Partial (covering part of the aerodrome) fog | Few clouds (10-30%), scattered clouds (40-50%) less than 30 m , broken clouds (60-90%) 600 m1968 feet, broken clouds (60-90%) 1200 m3936 feetFew clouds (10-30%), scattered clouds (40-50%) less than 984 feet , broken clouds (60-90%) 600 m1968 feet, broken clouds (60-90%) 1200 m3936 feet Few clouds (1/10-3/10), scattered clouds (4/10-5/10) less than 30 m , broken clouds (6/10-9/10) 600 m1968 feet, broken clouds (6/10-9/10) 1200 m3936 feetFew clouds (1/10-3/10), scattered clouds (4/10-5/10) less than 984 feet , broken clouds (6/10-9/10) 600 m1968 feet, broken clouds (6/10-9/10) 1200 m3936 feet Few clouds (1-2 oktas), scattered clouds (3-4 oktas) less than 30 m , broken clouds (5-7 oktas) 600 m1968 feet, broken clouds (5-7 oktas) 1200 m3936 feetFew clouds (1-2 oktas), scattered clouds (3-4 oktas) less than 984 feet , broken clouds (5-7 oktas) 600 m1968 feet, broken clouds (5-7 oktas) 1200 m3936 feet | 16.0 9.9 | -28 -18 | |||||
18:56 | -23 -9 | 92 | Wind blowing from the west-northwest | Gale (20 m/s) (72 km/h) (45 miles/hour) (39 knots) (8 Bft) | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | Partial (covering part of the aerodrome) fog | Few clouds (10-30%), broken clouds (60-90%) less than 30 m , broken clouds (60-90%) 750 m2460 feet, broken clouds (60-90%) 1500 m4920 feetFew clouds (10-30%), broken clouds (60-90%) less than 984 feet , broken clouds (60-90%) 750 m2460 feet, broken clouds (60-90%) 1500 m4920 feet Few clouds (1/10-3/10), broken clouds (6/10-9/10) less than 30 m , broken clouds (6/10-9/10) 750 m2460 feet, broken clouds (6/10-9/10) 1500 m4920 feetFew clouds (1/10-3/10), broken clouds (6/10-9/10) less than 984 feet , broken clouds (6/10-9/10) 750 m2460 feet, broken clouds (6/10-9/10) 1500 m4920 feet Few clouds (1-2 oktas), broken clouds (5-7 oktas) less than 30 m , broken clouds (5-7 oktas) 750 m2460 feet, broken clouds (5-7 oktas) 1500 m4920 feetFew clouds (1-2 oktas), broken clouds (5-7 oktas) less than 984 feet , broken clouds (5-7 oktas) 750 m2460 feet, broken clouds (5-7 oktas) 1500 m4920 feet | 0.2 0.1 | -24 -11 | ||||
17:58 | -22 -8 | 92 | Wind blowing from the west-northwest | Gale (19 m/s) (68 km/h) (43 mph) (37 knots) (8 Bft) | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | Freezing (supercooled) fog, blowing snow | Broken clouds (60-90%) less than 30 m , broken clouds (60-90%) 1500 m4920 feetBroken clouds (60-90%) less than 984 feet , broken clouds (60-90%) 1500 m4920 feet Broken clouds (6/10-9/10) less than 30 m , broken clouds (6/10-9/10) 1500 m4920 feetBroken clouds (6/10-9/10) less than 984 feet , broken clouds (6/10-9/10) 1500 m4920 feet Broken clouds (5-7 oktas) less than 30 m , broken clouds (5-7 oktas) 1500 m4920 feetBroken clouds (5-7 oktas) less than 984 feet , broken clouds (5-7 oktas) 1500 m4920 feet | 0.2 0.1 | -23 -9 | ||||
16:59 | -21 -6 | 100 | Wind blowing from the west-northwest | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | Freezing (supercooled) fog, blowing snow | Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet | less than 0.05 less than 0.03 | -21 -6 | ||||
15:59 | -20 -4 | 100 | Wind blowing from the north-west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | Light shower(s), snow, freezing (supercooled) fog, low drifting snow | Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet | less than 0.05 less than 0.03 | -20 -4 | |||||
14:57 | -19 -2 | 100 | Wind blowing from the west-northwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | Light shower(s), snow, freezing (supercooled) fog, low drifting snow | Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet | less than 0.05 less than 0.03 | -19 -2 | |||||
13:56 | -19 -2 | 92 | Wind blowing from the west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | Freezing (supercooled) fog, low drifting snow | Broken clouds (60-90%) less than 30 m , broken clouds (60-90%) 1500 m4920 feet, broken clouds (60-90%) 6000 m19680 feetBroken clouds (60-90%) less than 984 feet , broken clouds (60-90%) 1500 m4920 feet, broken clouds (60-90%) 6000 m19680 feet Broken clouds (6/10-9/10) less than 30 m , broken clouds (6/10-9/10) 1500 m4920 feet, broken clouds (6/10-9/10) 6000 m19680 feetBroken clouds (6/10-9/10) less than 984 feet , broken clouds (6/10-9/10) 1500 m4920 feet, broken clouds (6/10-9/10) 6000 m19680 feet Broken clouds (5-7 oktas) less than 30 m , broken clouds (5-7 oktas) 1500 m4920 feet, broken clouds (5-7 oktas) 6000 m19680 feetBroken clouds (5-7 oktas) less than 984 feet , broken clouds (5-7 oktas) 1500 m4920 feet, broken clouds (5-7 oktas) 6000 m19680 feet | 0.2 0.1 | -20 -4 | |||||
12:54 | -18 -0 | 100 | Wind blowing from the west-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | Light snow, freezing (supercooled) fog, low drifting snow | Vertical visibility 30 m98 feet Vertical visibility 30 m98 feet Vertical visibility 30 m98 feet | 0.1 0.1 | -18 -0 | |||||
11:58 | -16 3 | 92 | Wind blowing from the south | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | Light snow, partial (covering part of the aerodrome) fog, mist | Broken clouds (60-90%) less than 30 m , broken clouds (60-90%) 900 m2952 feet, broken clouds (60-90%) 1800 m5904 feetBroken clouds (60-90%) less than 984 feet , broken clouds (60-90%) 900 m2952 feet, broken clouds (60-90%) 1800 m5904 feet Broken clouds (6/10-9/10) less than 30 m , broken clouds (6/10-9/10) 900 m2952 feet, broken clouds (6/10-9/10) 1800 m5904 feetBroken clouds (6/10-9/10) less than 984 feet , broken clouds (6/10-9/10) 900 m2952 feet, broken clouds (6/10-9/10) 1800 m5904 feet Broken clouds (5-7 oktas) less than 30 m , broken clouds (5-7 oktas) 900 m2952 feet, broken clouds (5-7 oktas) 1800 m5904 feetBroken clouds (5-7 oktas) less than 984 feet , broken clouds (5-7 oktas) 900 m2952 feet, broken clouds (5-7 oktas) 1800 m5904 feet | 0.4 0.3 | -17 1 | |||||
10:57 | -17 1 | 85 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | Light snow, freezing (supercooled) fog | Broken clouds (60-90%) less than 30 m , overcast (100%) 1500 m4920 feetBroken clouds (60-90%) less than 984 feet , overcast (100%) 1500 m4920 feet Broken clouds (6/10-9/10) less than 30 m , overcast (10/10) 1500 m4920 feetBroken clouds (6/10-9/10) less than 984 feet , overcast (10/10) 1500 m4920 feet Broken clouds (5-7 oktas) less than 30 m , overcast (8 oktas) 1500 m4920 feetBroken clouds (5-7 oktas) less than 984 feet , overcast (8 oktas) 1500 m4920 feet | 0.4 0.3 | -19 -2 | |||||
09:54 | -14 7 | 100 | Wind blowing from the south | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Light snow, freezing (supercooled) fog | Vertical visibility 90 m295 feet Vertical visibility 90 m295 feet Vertical visibility 90 m295 feet | 0.4 0.3 | -14 7 | |||||
08:57 | -14 7 | 85 | Wind blowing from the south | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Light snow, freezing (supercooled) fog | Broken clouds (60-90%) less than 30 m , overcast (100%) 1500 m4920 feetBroken clouds (60-90%) less than 984 feet , overcast (100%) 1500 m4920 feet Broken clouds (6/10-9/10) less than 30 m , overcast (10/10) 1500 m4920 feetBroken clouds (6/10-9/10) less than 984 feet , overcast (10/10) 1500 m4920 feet Broken clouds (5-7 oktas) less than 30 m , overcast (8 oktas) 1500 m4920 feetBroken clouds (5-7 oktas) less than 984 feet , overcast (8 oktas) 1500 m4920 feet | 0.4 0.3 | -16 3 | |||||
07:57 | -14 7 | 100 | Wind blowing from the south-southwest | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Light snow, freezing (supercooled) fog | Vertical visibility 30 m98 feet Vertical visibility 30 m98 feet Vertical visibility 30 m98 feet | 0.1 0.1 | -14 7 | |||||
06:59 | -14 7 | 85 | Wind blowing from the south | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | Light snow, freezing (supercooled) fog | Broken clouds (60-90%) less than 30 m , overcast (100%) 1500 m4920 feetBroken clouds (60-90%) less than 984 feet , overcast (100%) 1500 m4920 feet Broken clouds (6/10-9/10) less than 30 m , overcast (10/10) 1500 m4920 feetBroken clouds (6/10-9/10) less than 984 feet , overcast (10/10) 1500 m4920 feet Broken clouds (5-7 oktas) less than 30 m , overcast (8 oktas) 1500 m4920 feetBroken clouds (5-7 oktas) less than 984 feet , overcast (8 oktas) 1500 m4920 feet | 0.1 0.1 | -16 3 | |||||
05:53 | -15 5 | 100 | Wind blowing from the west-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | Light snow, freezing (supercooled) fog | Vertical visibility 60 m197 feet Vertical visibility 60 m197 feet Vertical visibility 60 m197 feet | 0.3 0.2 | -15 5 | |||||
04:52 | -15 5 | 100 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | Light snow, freezing (supercooled) fog | Vertical visibility 30 m98 feet Vertical visibility 30 m98 feet Vertical visibility 30 m98 feet | 0.1 0.1 | -15 5 | |||||
03:54 | -15 5 | 100 | Wind blowing from the west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | Light snow, freezing (supercooled) fog | Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet | less than 0.05 less than 0.03 | -15 5 | |||||
02:52 | -15 5 | 100 | Wind blowing from the west | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | Light snow, freezing (supercooled) fog | Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet | less than 0.05 less than 0.03 | -15 5 | |||||
01:56 | -14 7 | 100 | Wind blowing from the west | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | Light snow, freezing (supercooled) fog, low drifting snow | Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet Vertical visibility less than 30 mVertical visibility less than 984 feet | less than 0.05 less than 0.03 | -14 7 | |||||