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 4, Tuesday | 17 | 11.8 53 | 610.3 24.03 813.67 813.67 | 1.2 0.05 1.6 1.6 | 71 | Wind blowing from the west | Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft) | 20–30%. 2/10–3/10. 2 oktas | 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 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | 6.6 44 | ||||||||||||||
14 | 11.1 52 | 609.1 23.98 812.07 812.07 | 1.6 0.06 2.13 2.13 | 79 | Wind blowing from the west-northwest | Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft) | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | Clouds generally dissolving or becoming less developed. | 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. | 6.5 44 | 11.1 52 | Stratocumulus cumulogenitus. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 100-200 328-656 | No Altocumulus, Altostratus or Nimbostratus. | Cirrus fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | 7.6 46 | ||||||||||
11 | 8.3 47 | 607.5 23.92 809.93 809.93 | 2.7 0.11 3.6 3.6 | 95 | Wind blowing from the west-northwest | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | 50%. 5/10. 4 oktas | Fog or ice fog in patches. | 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 fibratus, sometimes uncinus, not progressively invading the sky. | 71.0 44.1 | 7.5 46 | |||||||||||||
08 | 6.6 44 | 604.8 23.81 806.33 806.33 | 0.6 0.02 0.8 0.8 | 99 | Wind blowing from the west-northwest | Violent storm (30 m/s) (108 km/h) (67 miles/hour) (58 knots) (11 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. | Shower(s). | Drizzle. | 6.5 44 | 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. | No Cirrus, Cirrocumulus or Cirrostratus. | 0.1 0.06 | 6.5 44 | 0.8 0.03 | 6 | |||||||||
05 | 7.2 45 | 604.2 23.79 805.53 805.53 | 1.5 0.06 2 2 | 100 | Wind blowing from the west | Storm (27 m/s) (97 km/h) (60 miles/hour) (52 knots) (10 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. | Drizzle, not freezing, continuous, slight at time of observation. | Shower(s). | Drizzle. | less than 0.1 less than 0.06 | 7.2 45 | |||||||||||||||||
02 | 7.3 45 | 602.7 23.73 803.53 803.53 | 2.0 0.08 2.67 2.67 | 100 | Wind blowing from the west-northwest | Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 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. | Rain shower(s), slight. | Shower(s). | Drizzle. | 6.6 44 | less than 0.1 less than 0.06 | 7.3 45 | 9.0 0.35 | 6 | ||||||||||||||
| August 3, Monday | 23 | 7.3 45 | 600.7 23.65 800.87 800.87 | 100 | Wind blowing from the north-west | Violent storm (29 m/s) (104 km/h) (65 miles/hour) (56 knots) (11 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. | Rain shower(s), slight. | Shower(s). | Fog or ice fog or thick haze. | less than 0.1 less than 0.06 | 7.3 45 | |||||||||||||||||
20 | 9.4 49 | 600.0 23.62 799.93 799.93 | 100 | Wind blowing from the west-northwest | Storm (27 m/s) (97 km/h) (60 miles/hour) (52 knots) (10 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. | Rain shower(s), moderate or heavy. | Shower(s). | Rain. | 9.4 49 | 14.7 58 | less than 0.1 less than 0.06 | 9.4 49 | 47.0 1.85 | 6 | ||||||||||||||