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 March 13, Friday | 07 | -17.7 0 | 595.4 23.44 793.8 793.8 | 3.3 0.13 4.4 4.4 | 88 | Wind blowing from the west-northwest | Storm (25 m/s) (90 km/h) (56 miles/hour) (49 knots) (10 Bft) | 20–30%. 2/10–3/10. 2 oktas | Fog or ice fog, sky visible (has become thinner during the preceding hour). Depth of newly fallen snow is 1 cm. 0.4 inches. | Snow and/or other types of solid precipitation | Fog or ice fog or thick haze. | -19.5 -3 | Stratocumulus other than Stratocumulus cumulogenitus. | 60%. 6/10. 5 oktas | No Altocumulus, Altostratus or Nimbostratus. | No Cirrus, Cirrocumulus or Cirrostratus. | 71.0 44.1 | -19.2 -3 | 0.5 0.02 | 6 | |||||||||
04 | -19.4 -3 | 592.1 23.31 789.4 789.4 | 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. | Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 1 cm. 0.4 inches. | Snow and/or other types of solid precipitation | Fog or ice fog or thick haze. | -19.4 -3 | less than 0.1 less than 0.06 | -19.4 -3 | 0.8 0.03 | 6 | |||||||||||||||
| March 12, Thursday | 10 | -7.9 18 | 592.2 23.31 789.54 789.54 | -0.2 -0.01 -0.27 -0.27 | 96 | Wind blowing from the west | Hurricane (38 m/s) (137 km/h) (85 miles/hour) (74 knots) (12 Bft) | 100%. 10/10. 8 oktas | Fog or ice fog, sky visible (has become thinner during the preceding hour). | Rain. | Fog or ice fog or thick haze. | Less than 50 Less than 50 | 0.1 0.06 | -8.5 17 | |||||||||||||||
07 | 0.3 33 | 592.4 23.32 789.8 789.8 | -1.3 -0.05 -1.73 -1.73 | 100 | Wind blowing from the west | Strong gale (21 m/s) (76 km/h) (47 miles/hour) (41 mile/hour) (9 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, not freezing, continuous, slight at time of observation. | Shower(s). | Rain. | 0.3 33 | 7.0 45 | less than 0.1 less than 0.06 | 0.3 33 | 4.0 0.16 | 6 | |||||||||||||