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 10, Wednesday | 09:52 | -8 18 | 100 | Wind blowing from the west-southwest | Gale (18 m/s) (65 km/h) (40 miles/hour) (35 knots) (8 Bft) | Light snow, 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 | -8 18 | ||||
08:55 | -10 14 | 100 | Wind blowing from the west-southwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | Light snow, 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 | -10 14 | |||||
07:59 | -11 12 | 100 | Wind blowing from the west | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft) | Light snow, 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 | -11 12 | |||||
06:56 | -11 12 | 100 | Wind blowing from the west | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | 27 m/s 97 km/h 60 miles/hour 52 knots 10 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 | -11 12 | ||||
05:54 | -12 10 | 100 | Wind blowing from the west | Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft) | 33 m/s 119 km/h 74 mph 64 knots 12 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 | -12 10 | ||||
04:51 | -13 9 | 100 | Wind blowing from the west | Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 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 | -13 9 | |||||
03:57 | -14 7 | 100 | Wind blowing from the west | Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 Bft) | 31 m/s 112 km/h 69 miles/hour 60 knots 11 Bft | Light snow, 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 | -14 7 | ||||
02:51 | -15 5 | 100 | Wind blowing from the west | Storm (27 m/s) (97 km/h) (60 miles/hour) (52 knots) (10 Bft) | 30 m/s 108 km/h 67 miles/hour 58 knots 11 Bft | Light snow, 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 | -15 5 | ||||
01:57 | -16 3 | 100 | Wind blowing from the west | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | 27 m/s 97 km/h 60 miles/hour 52 knots 10 Bft | Light snow, 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 | -16 3 | ||||
00:57 | -16 3 | 100 | Wind blowing from the west | Strong gale (22 m/s) (79 km/h) (49 miles/hour) (43 knots) (9 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | Light snow, 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 | -16 3 | ||||
| December 9, Tuesday | 23:54 | -16 3 | 100 | Wind blowing from the west | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft) | 27 m/s 97 km/h 60 miles/hour 52 knots 10 Bft | Light snow, 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 | -16 3 | |||
22:51 | -15 5 | 100 | Wind blowing from the west-southwest | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | 30 m/s 108 km/h 67 miles/hour 58 knots 11 Bft | Light snow, 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 | -15 5 | ||||
21:55 | -16 3 | 100 | Wind blowing from the west-southwest | Gale (19 m/s) (68 km/h) (43 mph) (37 knots) (8 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | Light snow, freezing (supercooled) fog, blowing snow | Vertical visibility 60 m197 feet Vertical visibility 60 m197 feet Vertical visibility 60 m197 feet | 0.2 0.1 | -16 3 | ||||
20:58 | -17 1 | 65 | Wind blowing from the south-west | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | Light snow, patchy fog | Few clouds (10-30%) less than 30 m , overcast (100%) 150 m492 feetFew clouds (10-30%) less than 984 feet , overcast (100%) 150 m492 feet Few clouds (1/10-3/10) less than 30 m , overcast (10/10) 150 m492 feetFew clouds (1/10-3/10) less than 984 feet , overcast (10/10) 150 m492 feet Few clouds (1-2 oktas) less than 30 m , overcast (8 oktas) 150 m492 feetFew clouds (1-2 oktas) less than 984 feet , overcast (8 oktas) 150 m492 feet | 16.0 9.9 | -22 -8 | ||||
19:53 | -16 3 | 26 | Wind blowing from the south-west | Strong gale (23 m/s) (83 km/h) (51 mile/hour) (45 knots) (9 Bft) | 28 m/s 101 km/h 63 mph 54 knots 10 Bft | Few clouds (10-30%) 300 m984 feet, scattered clouds (40-50%) 600 m1968 feet, broken clouds (60-90%) 1500 m4920 feet, overcast (100%) 3000 m9840 feet Few clouds (1/10-3/10) 300 m984 feet, scattered clouds (4/10-5/10) 600 m1968 feet, broken clouds (6/10-9/10) 1500 m4920 feet, overcast (10/10) 3000 m9840 feet Few clouds (1-2 oktas) 300 m984 feet, scattered clouds (3-4 oktas) 600 m1968 feet, broken clouds (5-7 oktas) 1500 m4920 feet, overcast (8 oktas) 3000 m9840 feet | 16.0 9.9 | -31 -24 | |||||
18:58 | -17 1 | 19 | Wind blowing from the south-west | 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 | Few clouds (10-30%) 300 m984 feet, scattered clouds (40-50%) 600 m1968 feet, broken clouds (60-90%) 1500 m4920 feet, broken clouds (60-90%) 3000 m9840 feet, overcast (100%) 6000 m19680 feet Few clouds (1/10-3/10) 300 m984 feet, scattered clouds (4/10-5/10) 600 m1968 feet, broken clouds (6/10-9/10) 1500 m4920 feet, broken clouds (6/10-9/10) 3000 m9840 feet, overcast (10/10) 6000 m19680 feet Few clouds (1-2 oktas) 300 m984 feet, scattered clouds (3-4 oktas) 600 m1968 feet, broken clouds (5-7 oktas) 1500 m4920 feet, broken clouds (5-7 oktas) 3000 m9840 feet, overcast (8 oktas) 6000 m19680 feet | 16.0 9.9 | -35 -31 | |||||
17:58 | -16 3 | 18 | Wind blowing from the south-west | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | 22 m/s 79 km/h 49 miles/hour 43 knots 9 Bft | Few clouds (10-30%) 900 m2952 feet, broken clouds (60-90%) 1500 m4920 feet, broken clouds (60-90%) 3000 m9840 feet, broken clouds (60-90%) 3600 m11808 feet, broken clouds (60-90%) 6000 m19680 feet Few clouds (1/10-3/10) 900 m2952 feet, broken clouds (6/10-9/10) 1500 m4920 feet, broken clouds (6/10-9/10) 3000 m9840 feet, broken clouds (6/10-9/10) 3600 m11808 feet, broken clouds (6/10-9/10) 6000 m19680 feet Few clouds (1-2 oktas) 900 m2952 feet, broken clouds (5-7 oktas) 1500 m4920 feet, broken clouds (5-7 oktas) 3000 m9840 feet, broken clouds (5-7 oktas) 3600 m11808 feet, broken clouds (5-7 oktas) 6000 m19680 feet | 16.0 9.9 | -35 -31 | |||||
16:55 | -18 -0 | 26 | Wind blowing from the west-southwest | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | Scattered clouds (40-50%) 1500 m4920 feet, broken clouds (60-90%) 3000 m9840 feet, overcast (100%) 6000 m19680 feet Scattered clouds (4/10-5/10) 1500 m4920 feet, broken clouds (6/10-9/10) 3000 m9840 feet, overcast (10/10) 6000 m19680 feet Scattered clouds (3-4 oktas) 1500 m4920 feet, broken clouds (5-7 oktas) 3000 m9840 feet, overcast (8 oktas) 6000 m19680 feet | 16.0 9.9 | -33 -27 | ||||||
15:52 | -18 -0 | 28 | Wind blowing from the west-southwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | Scattered clouds (40-50%) 1500 m4920 feet, broken clouds (60-90%) 2400 m7872 feet, overcast (100%) 6000 m19680 feet Scattered clouds (4/10-5/10) 1500 m4920 feet, broken clouds (6/10-9/10) 2400 m7872 feet, overcast (10/10) 6000 m19680 feet Scattered clouds (3-4 oktas) 1500 m4920 feet, broken clouds (5-7 oktas) 2400 m7872 feet, overcast (8 oktas) 6000 m19680 feet | 16.0 9.9 | -32 -26 | ||||||
14:50 | -18 -0 | 38 | Wind blowing from the west-southwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | Broken clouds (60-90%) 1500 m4920 feet, overcast (100%) 2400 m7872 feet Broken clouds (6/10-9/10) 1500 m4920 feet, overcast (10/10) 2400 m7872 feet Broken clouds (5-7 oktas) 1500 m4920 feet, overcast (8 oktas) 2400 m7872 feet | 16.0 9.9 | -29 -20 | ||||||
12:50 | -17 1 | 19 | Wind blowing from the west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | Few clouds (10-30%), broken clouds (60-90%) 3000 m9840 feet, broken clouds (60-90%) 3600 m11808 feet, broken clouds (60-90%) 6000 m19680 feet Few clouds (1/10-3/10), broken clouds (6/10-9/10) 3000 m9840 feet, broken clouds (6/10-9/10) 3600 m11808 feet, broken clouds (6/10-9/10) 6000 m19680 feet Few clouds (1-2 oktas), broken clouds (5-7 oktas) 3000 m9840 feet, broken clouds (5-7 oktas) 3600 m11808 feet, broken clouds (5-7 oktas) 6000 m19680 feet | 16.0 9.9 | -35 -31 | ||||||
11:57 | -18 -0 | 28 | Wind blowing from the west-northwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | Few clouds (10-30%), few clouds (10-30%) 3000 m9840 feet, few clouds (10-30%) 4800 m15744 feet, scattered clouds (40-50%) 5400 m17712 feet, scattered clouds (40-50%) 6000 m19680 feet Few clouds (1/10-3/10), few clouds (1/10-3/10) 3000 m9840 feet, few clouds (1/10-3/10) 4800 m15744 feet, scattered clouds (4/10-5/10) 5400 m17712 feet, scattered clouds (4/10-5/10) 6000 m19680 feet Few clouds (1-2 oktas), few clouds (1-2 oktas) 3000 m9840 feet, few clouds (1-2 oktas) 4800 m15744 feet, scattered clouds (3-4 oktas) 5400 m17712 feet, scattered clouds (3-4 oktas) 6000 m19680 feet | 16.0 9.9 | -32 -26 | ||||||
10:55 | -18 -0 | 31 | Wind blowing from the west-northwest | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | Few clouds (10-30%), few clouds (10-30%) 4800 m15744 feet, scattered clouds (40-50%) 5400 m17712 feet, scattered clouds (40-50%) 6000 m19680 feet Few clouds (1/10-3/10), few clouds (1/10-3/10) 4800 m15744 feet, scattered clouds (4/10-5/10) 5400 m17712 feet, scattered clouds (4/10-5/10) 6000 m19680 feet Few clouds (1-2 oktas), few clouds (1-2 oktas) 4800 m15744 feet, scattered clouds (3-4 oktas) 5400 m17712 feet, scattered clouds (3-4 oktas) 6000 m19680 feet | 16.0 9.9 | -31 -24 | ||||||
09:52 | -19 -2 | 21 | Wind blowing from the north-west | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | Few clouds (10-30%), few clouds (10-30%) 4800 m15744 feet, few clouds (10-30%) 6000 m19680 feet Few clouds (1/10-3/10), few clouds (1/10-3/10) 4800 m15744 feet, few clouds (1/10-3/10) 6000 m19680 feet Few clouds (1-2 oktas), few clouds (1-2 oktas) 4800 m15744 feet, few clouds (1-2 oktas) 6000 m19680 feet | 16.0 9.9 | -36 -33 | ||||||