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 | 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 | ||||||||||||||
17 | 15.4 60 | 608.4 23.95 811.13 811.13 | -0.2 -0.01 -0.27 -0.27 | 82 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Stratocumulus cumulogenitus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Altostratus translucidus. | 55.0 34.2 | 12.4 54 | |||||||||||||||||
14 | 13.6 56 | 608.3 23.95 811 811 | -0.1 -0 -0.13 -0.13 | 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 | |||||||||||||
11 | 12.9 55 | 608.4 23.95 811.13 811.13 | 0.5 0.02 0.67 0.67 | 82 | Wind blowing from the west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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, 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 during part of the appropriate period and covering 1/2 or less during part of the period. | Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus. | 3.2 2.0 | 9.8 50 | |||||||||||||
08 | 10.3 51 | 607.9 23.93 810.47 810.47 | 0.7 0.03 0.93 0.93 | 80 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Clouds generally forming or developing. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | 8.9 48 | 11.9 53 | Stratocumulus cumulogenitus. | 20–30%. 2/10–3/10. 2 oktas | Altostratus translucidus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | 6.9 44 | |||||||||||
05 | 9.8 50 | 607.2 23.91 809.53 809.53 | 90 | Wind blowing from the west-northwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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. | Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period. | Cumulus humilis or Cumulus fractus other than of bad weather, or both. | 20–30%. 2/10–3/10. 2 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 65.0 40.4 | 8.2 47 | ||||||||||||||