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 10, Wednesday	20	13.4 56	604.8 23.81 806.33 806.33		-1.0 -0.04 -1.33 -1.33	100	Wind blowing from the south	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.	Slight rain at time of observation. Thunderstorm during the preceding hour but not at time of observation.	Thunderstorm(s) with or without precipitation.	Shower(s).	9.0 48	15.8 60						0.1 0.06	13.4 56	3.0 0.12	6
	17	14.6 58	605.8 23.85 807.67 807.67		-0.9 -0.04 -1.2 -1.2	94	Wind blowing from the south-west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas	Rain shower(s), slight.	Shower(s).	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Cumulus humilis or Cumulus fractus other than of bad weather, or both.	100%. 10/10. 8 oktas		Altostratus opacus or Nimbostratus.		0.8 0.5	13.6 56
	14	15.0 59	606.7 23.89 808.87 808.87			89	Wind blowing from the west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Fog or ice fog.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	9.0 48	15.0 59	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	100-200 328-656	Altostratus opacus or Nimbostratus.		30.0 18.6	13.2 56
	13	15.0 59	606.7 23.89 808.87 808.87			89	Wind blowing from the west	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			100%. 10/10. 8 oktas	Fog or ice fog.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	9.0 48	15.0 59	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	100-200 328-656	Altostratus opacus or Nimbostratus.		30.0 18.6	13.2 56
	11	11.9 53	607.3 23.91 809.67 809.67		-0.3 -0.01 -0.4 -0.4	92	Wind blowing from the west-northwest	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			100%. 10/10. 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 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	Altostratus opacus or Nimbostratus.		65.0 40.4	10.6 51
	08	11.1 52	607.6 23.92 810.07 810.07		0.6 0.02 0.8 0.8	81	Wind blowing from the north-west	Near gale (16 m/s) (58 km/h) (36 miles/hour) (31 mile/hour) (7 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Clouds generally dissolving or becoming less developed.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.	9.0 48	14.3 58	No Stratocumulus, Stratus, Cumulus or Cumulonimbus.	40%. 4/10. 3 oktas	1500-2000 4921-6562	Altostratus opacus 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	7.9 46
	05	9.1 48	607.0 23.9 809.27 809.27		-0.8 -0.03 -1.07 -1.07	92	Wind blowing from the west-northwest	Near gale (14 m/s) (50 km/h) (31 mile/hour) (27 knots) (7 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas	Fog or ice fog.	Fog or ice fog or thick haze.	Cloud covering more than 1/2 of the sky throughout the appropriate period.			Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0		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	7.8 46
	02	9.5 49	607.8 23.93 810.33 810.33		-1.0 -0.04 -1.33 -1.33	94	Wind blowing from the west-northwest	Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				6.0 43	14.3 58	Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas		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	8.5 47
June 9, Tuesday	23	10.3 51	608.8 23.97 811.67 811.67		0.1 0 0.13 0.13	85	Wind blowing from the west-northwest	Near gale (15 m/s) (54 km/h) (34 mph) (29 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.	60%. 6/10. 5 oktas	2500 or more, or no clouds. 8202 or more, or no clouds.	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	7.8 46
June 9, Tuesday	20	11.6 53	608.7 23.96 811.53 811.53		-0.4 -0.02 -0.53 -0.53	64	Wind blowing from the west	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				6.0 43	14.3 58	Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	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