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 July 7, Tuesday | 08 | 7.9 46 | 611.2 24.06 814.87 814.87 | 0.2 0.01 0.27 0.27 | 69 | Wind blowing from the south-east | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 7.7 46 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 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. | 71.0 44.1 | 2.6 37 | |||||||||||
05 | 8.4 47 | 611.0 24.06 814.6 814.6 | -0.4 -0.02 -0.53 -0.53 | 63 | Wind blowing from the south-east | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 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. | Cirrostratus covering the whole sky. | 65.0 40.4 | 1.7 35 | |||||||||||||||
02 | 9.3 49 | 611.4 24.07 815.13 815.13 | -0.3 -0.01 -0.4 -0.4 | 59 | Wind blowing from the south-southeast | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 100%. 10/10. 8 oktas | State of sky on the whole unchanged. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | 8.6 47 | 12.2 54 | No Stratocumulus, Stratus, Cumulus or Cumulonimbus. | 60%. 6/10. 5 oktas | 2000-2500 6562-8202 | Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole. | Cirrostratus covering the whole sky. | 55.0 34.2 | 1.6 35 | ||||||||||
| July 6, Monday | 23 | 9.1 48 | 611.7 24.08 815.53 815.53 | 68 | Wind blowing from the south-east | Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft) | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Clouds generally forming or developing. | Fog or ice fog or thick haze. | Cloud covering more than 1/2 of the sky throughout the appropriate period. | Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 300-600 984-1968 | Altostratus opacus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 50.0 31.1 | 3.4 38 | ||||||||||||
17 | 9.9 50 | 612.1 24.1 816.07 816.07 | -0.4 -0.02 -0.53 -0.53 | 96 | Wind blowing from the south-southeast | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 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 throughout the appropriate period. | 8.6 47 | 12.2 54 | 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 | 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. | 0.2 0.1 | 9.3 49 | ||||||||||
14 | 12.2 54 | 612.5 24.11 816.6 816.6 | 0.3 0.01 0.4 0.4 | 85 | variable wind direction | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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. | 8.6 47 | 12.2 54 | Stratocumulus cumulogenitus. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | No Altocumulus, Altostratus or Nimbostratus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 0.8 0.5 | 9.7 49 | |||||||||||
11 | 11.5 53 | 612.2 24.1 816.2 816.2 | 0.5 0.02 0.67 0.67 | 91 | Wind blowing from the east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 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 | 0.4 0.3 | 10.0 50 | |||||||||||||||
08 | 10.6 51 | 611.7 24.08 815.53 815.53 | 0.6 0.02 0.8 0.8 | 89 | Wind blowing from the south-east | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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 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. | 8.6 47 | 15.8 60 | Stratocumulus cumulogenitus. | 50%. 5/10. 4 oktas | Altostratus translucidus. | Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered. | 30.0 18.6 | 8.8 48 | |||||||||||