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 25, Tuesday	20	7.0 45	606.1 23.86 808.07 808.07		0.7 0.03 0.93 0.93	99	Wind blowing from the west-northwest	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 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).	Shower(s).	Fog or ice fog or thick haze.	5.2 41	9.2 49	Stratocumulus other than 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.	0.2 0.1	6.8 44	Trace of precipitation Trace of precipitation	6
	17	7.8 46	605.4 23.83 807.13 807.13		0.1 0 0.13 0.13	100	Wind blowing from the west-northwest	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 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.	Shower(s).	Fog or ice fog or thick haze.								0.1 0.06	7.8 46
	14	7.4 45	605.3 23.83 807 807		-0.1 -0 -0.13 -0.13	99	Wind blowing from the north-west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Rain shower(s), slight.	Shower(s).	Fog or ice fog or thick haze.	5.2 41	9.2 49	Stratocumulus other than Stratocumulus cumulogenitus.	100%. 10/10. 8 oktas	Less than 50 Less than 50			0.2 0.1	7.2 45	Trace of precipitation Trace of precipitation	6
	11	8.8 48	605.4 23.83 807.13 807.13			100	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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 during part of the appropriate period and covering 1/2 or less during part of the period.								0.1 0.06	8.8 48
	08	8.8 48	605.4 23.83 807.13 807.13		0.6 0.02 0.8 0.8	100	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 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 during part of the appropriate period and covering 1/2 or less during part of the period.								0.1 0.06	8.8 48
	05	5.6 42	604.8 23.81 806.33 806.33			93	Wind blowing from the west-southwest	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft)			40%. 4/10. 3 oktas	Precipitation within sight, not reaching the ground or the surface of the sea.	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 other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	100-200 328-656	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.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	4.5 40
	02	5.5 42	605.5 23.84 807.27 807.27		-0.6 -0.02 -0.8 -0.8	100	Wind blowing from the west-southwest	Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 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 during part of the appropriate period and covering 1/2 or less during part of the period.	5.5 42	10.7 51						0.1 0.06	5.5 42
August 24, Monday	23	5.7 42	606.1 23.86 808.07 808.07		0.3 0.01 0.4 0.4	91	Wind blowing from the west	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 during part of the appropriate period and covering 1/2 or less during part of the period.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas	300-600 984-1968	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.	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.	71.0 44.1	4.4 40
August 24, Monday	20	6.1 43	605.8 23.85 807.67 807.67		0.3 0.01 0.4 0.4	100	Wind blowing from the west	Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Fog or ice fog, sky visible (has become thinner during the preceding hour).	Shower(s).	Fog or ice fog or thick haze.	6.1 43	10.7 51	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	60%. 6/10. 5 oktas	Less than 50 Less than 50	Altostratus opacus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	0.1 0.06	6.1 43	5.0 0.2	6