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 | |
| 2026 August 2, Sunday | 20 | 11.7 53 | 607.2 23.91 809.53 809.53 | -0.6 -0.02 -0.8 -0.8 | 100 | Wind blowing from the south | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 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 or ice fog, sky invisible, 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. | 11.1 52 | 15.5 60 | less than 0.1 less than 0.06 | 11.7 53 | ||||||||||||||
17 | 13.0 55 | 607.8 23.93 810.33 810.33 | -0.9 -0.04 -1.2 -1.2 | 98 | Wind blowing from the south | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | Less than 50 Less than 50 | 0.2 0.1 | 12.7 55 | ||||||||||||||
14 | 13.8 57 | 608.7 23.96 811.53 811.53 | -0.2 -0.01 -0.27 -0.27 | 90 | Wind blowing from the south-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 11.1 52 | 15.5 60 | Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 0.3 0.2 | 12.2 54 | |||||||||||||
11 | 12.3 54 | 608.9 23.97 811.8 811.8 | 98 | Wind blowing from the west-southwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog, sky visible (has become thinner during the preceding hour). | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | Less than 50 Less than 50 | 0.1 0.06 | 12.0 54 | |||||||||||||||
08 | 11.7 53 | 608.5 23.96 811.27 811.27 | 0.4 0.02 0.53 0.53 | 99 | Wind blowing from the west-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 11.1 52 | 16.7 62 | Stratocumulus cumulogenitus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Less than 50 Less than 50 | 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. | 0.1 0.06 | 11.6 53 | |||||||||||
05 | 11.7 53 | 608.1 23.94 810.73 810.73 | 0.2 0.01 0.27 0.27 | 100 | Wind blowing from the south-west | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 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 or ice fog, sky invisible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | less than 0.1 less than 0.06 | 11.7 53 | |||||||||||||||||
02 | 11.3 52 | 607.9 23.93 810.47 810.47 | -0.3 -0.01 -0.4 -0.4 | 94 | Wind blowing from the west-southwest | Near gale (17 m/s) (61 km/h) (38 miles/hour) (33 knots) (7 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Fog or ice fog in patches. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 9.0 48 | 16.7 62 | Stratocumulus cumulogenitus. | 40%. 4/10. 3 oktas | Altocumulus cumulogenitus (or cumulonimbogenitus). | Cirrostratus not progressively invading the sky and not entirely covering it. | 65.0 40.4 | 10.4 51 | |||||||||||
| August 1, Saturday | 23 | 11.7 53 | 608.2 23.94 810.87 810.87 | -0.1 -0 -0.13 -0.13 | 79 | Wind blowing from the west-southwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 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. | 65.0 40.4 | 8.2 47 | |||||||||||||
20 | 13.6 56 | 608.3 23.95 811 811 | 97 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 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 or ice fog, sky invisible, has begun or has become thicker during the preceding hour. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 9.0 48 | 16.7 62 | Stratocumulus cumulogenitus. | 100%. 10/10. 8 oktas | 0.3 0.2 | 13.2 56 | ||||||||||||||