Weather archive on Mount Washington (AWS)

To receive explanations, hover over the appropriate heading

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
2025 December 15, Monday	10	-23.2 -10	593.4 23.36 791.14 791.14		0.9 0.04 1.2 1.2	100	Wind blowing from the west-northwest	Hurricane (36 m/s) (130 km/h) (81 mile/hour) (70 knots) (12 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, depositing rime, sky invisible.	Fog or ice fog or thick haze.	Blizzard								0.1 0.06	-23.2 -10
	07	-26.3 -15	592.5 23.33 789.94 789.94		0.2 0.01 0.27 0.27	100	Wind blowing from the north-west	Hurricane (36 m/s) (130 km/h) (81 mile/hour) (70 knots) (12 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, depositing rime, sky invisible.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-26.3 -15							0.1 0.06	-26.3 -15	0.3 0.01	6
	04	-22.3 -8	592.3 23.32 789.67 789.67		1.3 0.05 1.73 1.73	100	Wind blowing from the north-west	Violent storm (31 m/s) (112 km/h) (69 miles/hour) (60 knots) (11 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.	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.								0.2 0.1	-22.3 -8
	01	-25.9 -15	591.0 23.27 787.94 787.94		-0.2 -0.01 -0.27 -0.27	90	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	Fog or ice fog, sky visible (has become thinner during the preceding hour).	Fog or ice fog or thick haze.	Blizzard	-26.2 -15	-13.7 7	Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas		No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	0.2 0.1	-27.1 -17
December 14, Sunday	22	-25.9 -15	591.2 23.28 788.2 788.2		-1.7 -0.07 -2.27 -2.27	94	Wind blowing from the west-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	Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour.	Fog or ice fog or thick haze.	Blizzard			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		No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	0.1 0.06	-26.6 -16
	19	-22.8 -9	592.9 23.34 790.47 790.47		0.5 0.02 0.67 0.67	89	Wind blowing from the west-northwest	Gale (19 m/s) (68 km/h) (43 mph) (37 knots) (8 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). Depth of newly fallen snow is 1 cm. 0.4 inches.	Shower(s).	Snow and/or other types of solid precipitation	-22.8 -9	-13.7 7	Stratocumulus other than Stratocumulus cumulogenitus.	70 – 80%. 7/10 – 8/10. 6 oktas		Altostratus translucidus.	No Cirrus, Cirrocumulus or Cirrostratus.	0.2 0.1	-24.1 -11	0.3 0.01	6
	16	-20.1 -4	592.4 23.32 789.8 789.8		-0.4 -0.02 -0.53 -0.53	100	Wind blowing from the north-west	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.	Snow shower(s), slight.	Shower(s).	Snow and/or other types of solid precipitation								less than 0.1 less than 0.06	-20.1 -4
	13	-18.3 -1	592.8 23.34 790.34 790.34		-1.2 -0.05 -1.6 -1.6	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.	Continuous fall of snowflakes, slight at time of observation. Depth of newly fallen snow is 2 cm. 0.8 inches.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.	-18.3 -1	-13.7 7						0.1 0.06	-18.3 -1	0.8 0.03	6
	10	-14.5 6	594.0 23.39 791.94 791.94		0.0 0 0 0	100	Wind blowing from the south-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 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.	Continuous fall of snowflakes, slight at time of observation.	Snow and/or other types of solid precipitation	Fog or ice fog or thick haze.								0.4 0.3	-14.5 6