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 3, Wednesday	17	10.6 51	610.9 24.05 814.47 814.47		0.0 0 0 0	63	Wind blowing from the west-northwest	Strong breeze (13 m/s) (47 km/h) (29 miles/hour) (25 knots) (6 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	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	3.8 39
	14	9.9 50	610.9 24.05 814.47 814.47		0.3 0.01 0.4 0.4	62	Wind blowing from the west-northwest	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0				3.9 39	10.6 51	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	2.9 37
	11	7.8 46	610.6 24.04 814.07 814.07		0.3 0.01 0.4 0.4	58	Wind blowing from the west-northwest	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			60%. 6/10. 5 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	No Cirrus, Cirrocumulus or Cirrostratus.	71.0 44.1	-0.1 32
	08	8.7 48	610.3 24.03 813.67 813.67		1.1 0.04 1.47 1.47	35	Wind blowing from the north-northwest	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			60%. 6/10. 5 oktas				3.9 39	8.7 48	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	50%. 5/10. 4 oktas	2000-2500 6562-8202	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 fibratus, sometimes uncinus, not progressively invading the sky.	71.0 44.1	-6.1 21
	05	5.0 41	609.2 23.98 812.2 812.2			54	Wind blowing from the north	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	1500-2000 4921-6562	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 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	-3.7 25
	02	5.0 41	609.2 23.98 812.2 812.2		-0.2 -0.01 -0.27 -0.27	54	Wind blowing from the north	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	60%. 6/10. 5 oktas	1500-2000 4921-6562	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 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	-3.7 25
June 2, Tuesday	23	4.6 40	609.4 23.99 812.47 812.47		0.3 0.01 0.4 0.4	57	Wind blowing from the north-northwest	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	1000-1500 3281-4921	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; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	71.0 44.1	-3.2 26
	20	4.0 39	609.1 23.98 812.07 812.07		0.6 0.02 0.8 0.8	61	Wind blowing from the north-northwest	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				0.4 33	6.0 43	Cumulus humilis or Cumulus fractus other than of bad weather, or both.	20–30%. 2/10–3/10. 2 oktas	600-1000 1968-3281	Altocumulus of a chaotic sky, generally at several levels.	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	-2.9 27
	17	5.1 41	608.5 23.96 811.27 811.27		0.6 0.02 0.8 0.8	59	Wind blowing from the north-northwest	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 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						No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	70 – 80%. 7/10 – 8/10. 6 oktas	600-1000 1968-3281	Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.	Cirrostratus not progressively invading the sky and not entirely covering it.	71.0 44.1	-2.4 28