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 June 18, Thursday	08	7.5 46	601.2 23.67 801.53 801.53			100	Wind blowing from the south	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 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.	6.1 43	9.8 50						less than 0.1 less than 0.06	7.5 46	3.0 0.12	6
	07	7.5 46	601.2 23.67 801.53 801.53			100	Wind blowing from the south	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 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.	6.1 43	9.8 50						less than 0.1 less than 0.06	7.5 46	3.0 0.12	6
	05	7.9 46	601.8 23.69 802.33 802.33		-0.9 -0.04 -1.2 -1.2	100	Wind blowing from the south-southwest	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.								less than 0.1 less than 0.06	7.9 46
	02	6.7 44	602.7 23.73 803.53 803.53		-0.9 -0.04 -1.2 -1.2	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.	4.1 39	9.8 50						less than 0.1 less than 0.06	6.7 44	0.3 0.01	6
June 17, Wednesday	23	6.2 43	603.6 23.76 804.73 804.73		0.3 0.01 0.4 0.4	95	Wind blowing from the south-southwest	Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 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 in patches.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	Less than 50 Less than 50	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.	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	5.5 42
	20	7.3 45	603.3 23.75 804.33 804.33		0.4 0.02 0.53 0.53	86	Wind blowing from the south	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 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.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.	4.1 39	9.8 50	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	60%. 6/10. 5 oktas	50-100 164-328	Altocumulus translucidus at a single level.	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	5.1 41	0.5 0.02	6
	17	7.8 46	602.9 23.74 803.8 803.8		0.3 0.01 0.4 0.4	86	Wind blowing from the south-southeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 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.	Shower(s).	Rain and snow or other types of solid precipitation			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	100-200 328-656	Altocumulus translucidus at a single level.		71.0 44.1	5.6 42
	14	7.6 46	602.6 23.72 803.4 803.4		-0.8 -0.03 -1.07 -1.07	91	Wind blowing from the south-east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 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.	Thunderstorm(s) with or without precipitation.	Shower(s).	4.1 39	9.8 50	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	60%. 6/10. 5 oktas	50-100 164-328	Altocumulus translucidus at a single level.	Cirrostratus not progressively invading the sky and not entirely covering it.	71.0 44.1	6.2 43	3.0 0.12	6
	11	9.8 50	603.4 23.76 804.47 804.47		0.1 0 0.13 0.13	72	variable wind direction	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas	Shower(s) of rain.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	70 – 80%. 7/10 – 8/10. 6 oktas		Altocumulus translucidus at a single level.	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	5.0 41
	08	6.2 43	603.3 23.75 804.33 804.33		0.6 0.02 0.8 0.8	92	Wind blowing from the west-southwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 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.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	4.1 39	6.9 44	Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.	50%. 5/10. 4 oktas	300-600 984-1968	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.	71.0 44.1	5.0 41