Weather archive on Mount Washington (AWS), METAR
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| Date / Local time | T | Po | P | U | DD | Ff | ff10 | WW | W'W' | c | VV | Td | |
| 2025 December 18, Thursday | 16:57 | -4 25 | 39 | Wind blowing from the south-southwest | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | 29 m/s 104 km/h 65 miles/hour 56 knots 11 Bft | Few clouds (10-30%) 1500 m4920 feet, broken clouds (60-90%) 2100 m6888 feet, broken clouds (60-90%) 2700 m8856 feet, broken clouds (60-90%) 5400 m17712 feet, overcast (100%) 6600 m21648 feet Few clouds (1/10-3/10) 1500 m4920 feet, broken clouds (6/10-9/10) 2100 m6888 feet, broken clouds (6/10-9/10) 2700 m8856 feet, broken clouds (6/10-9/10) 5400 m17712 feet, overcast (10/10) 6600 m21648 feet Few clouds (1-2 oktas) 1500 m4920 feet, broken clouds (5-7 oktas) 2100 m6888 feet, broken clouds (5-7 oktas) 2700 m8856 feet, broken clouds (5-7 oktas) 5400 m17712 feet, overcast (8 oktas) 6600 m21648 feet | 16.0 9.9 | -16 3 | ||||
15:54 | -4 25 | 30 | Wind blowing from the south-southwest | Strong gale (24 m/s) (86 km/h) (54 mph) (47 knots) (9 Bft) | 28 m/s 101 km/h 63 mph 54 knots 10 Bft | Few clouds (10-30%) 1800 m5904 feet, broken clouds (60-90%) 2400 m7872 feet, broken clouds (60-90%) 3600 m11808 feet, broken clouds (60-90%) 5400 m17712 feet Few clouds (1/10-3/10) 1800 m5904 feet, broken clouds (6/10-9/10) 2400 m7872 feet, broken clouds (6/10-9/10) 3600 m11808 feet, broken clouds (6/10-9/10) 5400 m17712 feet Few clouds (1-2 oktas) 1800 m5904 feet, broken clouds (5-7 oktas) 2400 m7872 feet, broken clouds (5-7 oktas) 3600 m11808 feet, broken clouds (5-7 oktas) 5400 m17712 feet | 16.0 9.9 | -19 -2 | |||||
14:59 | -4 25 | 26 | Wind blowing from the south-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 | Scattered clouds (40-50%) 1800 m5904 feet, scattered clouds (40-50%) 2400 m7872 feet, broken clouds (60-90%) 4800 m15744 feet, broken clouds (60-90%) 5400 m17712 feet Scattered clouds (4/10-5/10) 1800 m5904 feet, scattered clouds (4/10-5/10) 2400 m7872 feet, broken clouds (6/10-9/10) 4800 m15744 feet, broken clouds (6/10-9/10) 5400 m17712 feet Scattered clouds (3-4 oktas) 1800 m5904 feet, scattered clouds (3-4 oktas) 2400 m7872 feet, broken clouds (5-7 oktas) 4800 m15744 feet, broken clouds (5-7 oktas) 5400 m17712 feet | 16.0 9.9 | -21 -6 | |||||
13:59 | -5 23 | 39 | Wind blowing from the south-southwest | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | Few clouds (10-30%) 2400 m7872 feet, scattered clouds (40-50%) 3600 m11808 feet, scattered clouds (40-50%) 5400 m17712 feet, broken clouds (60-90%) 6000 m19680 feet Few clouds (1/10-3/10) 2400 m7872 feet, scattered clouds (4/10-5/10) 3600 m11808 feet, scattered clouds (4/10-5/10) 5400 m17712 feet, broken clouds (6/10-9/10) 6000 m19680 feet Few clouds (1-2 oktas) 2400 m7872 feet, scattered clouds (3-4 oktas) 3600 m11808 feet, scattered clouds (3-4 oktas) 5400 m17712 feet, broken clouds (5-7 oktas) 6000 m19680 feet | 16.0 9.9 | -17 1 | |||||
12:53 | -4 25 | 28 | Wind blowing from the south-southwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | Few clouds (10-30%) 4500 m14760 feet, scattered clouds (40-50%) 5100 m16728 feet, scattered clouds (40-50%) 6000 m19680 feet Few clouds (1/10-3/10) 4500 m14760 feet, scattered clouds (4/10-5/10) 5100 m16728 feet, scattered clouds (4/10-5/10) 6000 m19680 feet Few clouds (1-2 oktas) 4500 m14760 feet, scattered clouds (3-4 oktas) 5100 m16728 feet, scattered clouds (3-4 oktas) 6000 m19680 feet | 16.0 9.9 | -20 -4 | |||||
11:59 | -3 27 | 24 | Wind blowing from the south-southwest | Gale (18 m/s) (65 km/h) (40 miles/hour) (35 knots) (8 Bft) | 25 m/s 90 km/h 56 miles/hour 49 knots 10 Bft | Few clouds (10-30%) 4500 m14760 feet, scattered clouds (40-50%) 5400 m17712 feet, scattered clouds (40-50%) 6000 m19680 feet Few clouds (1/10-3/10) 4500 m14760 feet, scattered clouds (4/10-5/10) 5400 m17712 feet, scattered clouds (4/10-5/10) 6000 m19680 feet Few clouds (1-2 oktas) 4500 m14760 feet, scattered clouds (3-4 oktas) 5400 m17712 feet, scattered clouds (3-4 oktas) 6000 m19680 feet | 16.0 9.9 | -21 -6 | |||||
10:58 | -5 23 | 28 | Wind blowing from the south-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | Few clouds (10-30%) 4800 m15744 feet, few clouds (10-30%) 5400 m17712 feet, scattered clouds (40-50%) 6000 m19680 feet Few clouds (1/10-3/10) 4800 m15744 feet, few clouds (1/10-3/10) 5400 m17712 feet, scattered clouds (4/10-5/10) 6000 m19680 feet Few clouds (1-2 oktas) 4800 m15744 feet, few clouds (1-2 oktas) 5400 m17712 feet, scattered clouds (3-4 oktas) 6000 m19680 feet | 16.0 9.9 | -21 -6 | |||||
09:54 | -4 25 | 30 | Wind blowing from the south-west | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 16 m/s 58 km/h 36 miles/hour 31 mile/hour 7 Bft | Few clouds (10-30%) 3600 m11808 feet, few clouds (10-30%) 4800 m15744 feet, scattered clouds (40-50%) 6000 m19680 feet Few clouds (1/10-3/10) 3600 m11808 feet, few clouds (1/10-3/10) 4800 m15744 feet, scattered clouds (4/10-5/10) 6000 m19680 feet Few clouds (1-2 oktas) 3600 m11808 feet, few clouds (1-2 oktas) 4800 m15744 feet, scattered clouds (3-4 oktas) 6000 m19680 feet | 16.0 9.9 | -19 -2 | |||||
08:53 | -4 25 | 33 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | Scattered clouds (40-50%) 3600 m11808 feet, scattered clouds (40-50%) 4500 m14760 feet, broken clouds (60-90%) 5400 m17712 feet Scattered clouds (4/10-5/10) 3600 m11808 feet, scattered clouds (4/10-5/10) 4500 m14760 feet, broken clouds (6/10-9/10) 5400 m17712 feet Scattered clouds (3-4 oktas) 3600 m11808 feet, scattered clouds (3-4 oktas) 4500 m14760 feet, broken clouds (5-7 oktas) 5400 m17712 feet | 16.0 9.9 | -18 -0 | ||||||
07:47 | -6 21 | 23 | Wind blowing from the west | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | Few clouds (10-30%) 3000 m9840 feet, scattered clouds (40-50%) 3600 m11808 feet, broken clouds (60-90%) 5400 m17712 feet Few clouds (1/10-3/10) 3000 m9840 feet, scattered clouds (4/10-5/10) 3600 m11808 feet, broken clouds (6/10-9/10) 5400 m17712 feet Few clouds (1-2 oktas) 3000 m9840 feet, scattered clouds (3-4 oktas) 3600 m11808 feet, broken clouds (5-7 oktas) 5400 m17712 feet | 16.0 9.9 | -24 -11 | ||||||
06:47 | -6 21 | 17 | Wind blowing from the west | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | Few clouds (10-30%) 3600 m11808 feet, scattered clouds (40-50%) 5400 m17712 feet, scattered clouds (40-50%) 6600 m21648 feet Few clouds (1/10-3/10) 3600 m11808 feet, scattered clouds (4/10-5/10) 5400 m17712 feet, scattered clouds (4/10-5/10) 6600 m21648 feet Few clouds (1-2 oktas) 3600 m11808 feet, scattered clouds (3-4 oktas) 5400 m17712 feet, scattered clouds (3-4 oktas) 6600 m21648 feet | 16.0 9.9 | -27 -17 | ||||||
05:52 | -6 21 | 17 | Wind blowing from the west-northwest | Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft) | Scattered clouds (40-50%) 5400 m17712 feet Scattered clouds (4/10-5/10) 5400 m17712 feet Scattered clouds (3-4 oktas) 5400 m17712 feet | 16.0 9.9 | -27 -17 | ||||||
04:58 | -9 16 | 37 | Wind blowing from the west-northwest | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft) | Few clouds (10-30%), scattered clouds (40-50%) 6000 m19680 feet Few clouds (1/10-3/10), scattered clouds (4/10-5/10) 6000 m19680 feet Few clouds (1-2 oktas), scattered clouds (3-4 oktas) 6000 m19680 feet | 16.0 9.9 | -21 -6 | ||||||
03:56 | -9 16 | 26 | Wind blowing from the west-northwest | Storm (26 m/s) (94 km/h) (58 miles/hour) (51 mile/hour) (10 Bft) | Scattered clouds (40-50%), few clouds (10-30%) 6000 m19680 feet Scattered clouds (4/10-5/10), few clouds (1/10-3/10) 6000 m19680 feet Scattered clouds (3-4 oktas), few clouds (1-2 oktas) 6000 m19680 feet | 16.0 9.9 | -25 -13 | ||||||
02:51 | -10 14 | 37 | Wind blowing from the west-northwest | Violent storm (31 m/s) (112 km/h) (69 miles/hour) (60 knots) (11 Bft) | Broken clouds (60-90%), no clouds Broken clouds (6/10-9/10), no clouds Broken clouds (5-7 oktas), no clouds | 16.0 9.9 | -22 -8 | ||||||
00:53 | -11 12 | 100 | Wind blowing from the west | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 Bft) | 23 m/s 83 km/h 51 mile/hour 45 knots 9 Bft | 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 | -11 12 | ||||
| December 17, Wednesday | 23:56 | -10 14 | 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 | 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 | |||
22:55 | -9 16 | 100 | Wind blowing from the west | Storm (28 m/s) (101 km/h) (63 mph) (54 knots) (10 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 | -9 16 | ||||
21:55 | -9 16 | 100 | Wind blowing from the west-northwest | Violent storm (31 m/s) (112 km/h) (69 miles/hour) (60 knots) (11 Bft) | 39 m/s 140 km/h 87 miles/hour 76 knots 12 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 | -9 16 | ||||
20:53 | -8 18 | 100 | Wind blowing from the west | Violent storm (32 m/s) (115 km/h) (72 mph) (62 knots) (11 Bft) | 39 m/s 140 km/h 87 miles/hour 76 knots 12 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 | ||||
19:54 | -8 18 | 100 | Wind blowing from the west | Violent storm (32 m/s) (115 km/h) (72 mph) (62 knots) (11 Bft) | 34 m/s 122 km/h 76 miles/hour 66 knots 12 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 | ||||
18:57 | -8 18 | 100 | Wind blowing from the west | Hurricane (35 m/s) (126 km/h) (78 miles/hour) (68 knots) (12 Bft) | 40 m/s 144 km/h 89 miles/hour 78 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 | -8 18 | ||||
17:56 | -8 18 | 100 | Wind blowing from the west | Hurricane (37 m/s) (133 km/h) (83 mph) (72 knots) (12 Bft) | 40 m/s 144 km/h 89 miles/hour 78 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 | -8 18 | ||||
16:59 | -8 18 | 100 | Wind blowing from the west | Hurricane (35 m/s) (126 km/h) (78 miles/hour) (68 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 | -8 18 | |||||