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 24, Monday	11	9.0 48	605.5 23.84 807.27 807.27		0.1 0 0.13 0.13	89	Wind blowing from the south-southwest	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			50%. 5/10. 4 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.			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.	No Cirrus, Cirrocumulus or Cirrostratus.	0.8 0.5	7.2 45
	08	7.2 45	605.4 23.83 807.13 807.13		0.8 0.03 1.07 1.07	93	Wind blowing from the south-west	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			40%. 4/10. 3 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.	6.2 43	11.0 52	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	40%. 4/10. 3 oktas		Altostratus opacus or Nimbostratus.	Cirrostratus not progressively invading the sky and not entirely covering it.	71.0 44.1	6.1 43
	05	6.7 44	604.6 23.8 806.07 806.07			84	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			40%. 4/10. 3 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas		Altostratus opacus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	4.2 40
	04	6.7 44	604.6 23.8 806.07 806.07			84	Wind blowing from the south-west	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft)			40%. 4/10. 3 oktas						Stratus nebulosus or Stratus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas		Altostratus opacus or Nimbostratus.	Cirrus fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	4.2 40
	02	7.5 46	604.5 23.8 805.93 805.93		-1.0 -0.04 -1.33 -1.33	97	Wind blowing from the west-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft)			60%. 6/10. 5 oktas	Shower(s) of rain.	Shower(s).	Rain.	7.2 45	11.0 52	Stratus nebulosus or Stratus fractus other than of bad weather, or both.	50%. 5/10. 4 oktas		Altostratus opacus 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.	71.0 44.1	7.0 45	2.0 0.08	6
August 23, Sunday	23	8.0 46	605.5 23.84 807.27 807.27			85	Wind blowing from the west-southwest	Near gale (15 m/s) (54 km/h) (34 mph) (29 knots) (7 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station.	Shower(s).	Rain.			Stratus nebulosus or Stratus fractus other than of bad weather, or both.	50%. 5/10. 4 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.	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.	71.0 44.1	5.6 42
	20	9.6 49	604.2 23.79 805.53 805.53			100	Wind blowing from the south-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 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.	Drizzle, not freezing, continuous, slight at time of observation.	Shower(s).	Drizzle.	8.7 48	11.0 52						0.1 0.06	9.6 49	0.5 0.02	6
	19	9.6 49	604.2 23.79 805.53 805.53			100	Wind blowing from the south-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 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.	Drizzle, not freezing, continuous, slight at time of observation.	Shower(s).	Drizzle.	8.7 48	11.0 52						0.1 0.06	9.6 49	0.5 0.02	6
	17	10.2 50	604.2 23.79 805.53 805.53			100	Wind blowing from the south	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (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.	Shower(s).	Drizzle.								0.1 0.06	10.2 50
	15	10.2 50	604.2 23.79 805.53 805.53			100	Wind blowing from the south	Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (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.	Shower(s).	Drizzle.								0.1 0.06	10.2 50
	14	10.6 51	604.9 23.81 806.47 806.47		-0.2 -0.01 -0.27 -0.27	100	Wind blowing from the south	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.	Rain shower(s), slight.	Shower(s).	Fog or ice fog or thick haze.	8.1 47	11.0 52						0.1 0.06	10.6 51	1.0 0.04	6
	11	10.1 50	605.1 23.82 806.73 806.73			100	Wind blowing from the south	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 become thinner during the preceding hour).	Fog or ice fog or thick haze.	Fog or ice fog or thick haze.								0.1 0.06	10.1 50