Weather archive in Helena (airport)

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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 July 2, Thursday	21	22.8 73	659.2 25.95 878.86 878.86	759.4 29.9 1012.45 1012.45	0.5 0.02 0.67 0.67	37	Wind blowing from the west-northwest	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	7.2 45
	18	25.6 78	658.7 25.93 878.19 878.19	759.1 29.89 1012.05 1012.05	-0.5 -0.02 -0.67 -0.67	30	Wind blowing from the south-east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				8.3 47	25.6 78			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	6.7 44
	15	24.4 76	659.2 25.95 878.86 878.86	759.4 29.9 1012.45 1012.45	-1.1 -0.04 -1.47 -1.47	33	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	7.2 45
	12	20.6 69	660.3 26 880.33 880.33	760.8 29.95 1014.32 1014.32	-0.4 -0.02 -0.53 -0.53	45	Wind blowing from the north-northeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas				8.3 47	20.6 69			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	8.3 47
	09	14.4 58	660.7 26.01 880.86 880.86	761.8 29.99 1015.65 1015.65	0.0 0 0 0	70	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	8.9 48
	06	10.6 51	660.7 26.01 880.86 880.86	761.9 30 1015.78 1015.78	1.1 0.04 1.47 1.47	80	Wind blowing from the south-west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds				8.3 47	21.7 71						16.0 9.9	7.2 45
	03	11.7 53	659.6 25.97 879.39 879.39	760.9 29.96 1014.45 1014.45	0.0 0 0 0	83	Calm, no wind	Calm			no clouds no clouds no clouds											16.0 9.9	8.9 48
	00	14.4 58	659.6 25.97 879.39 879.39	760.2 29.93 1013.52 1013.52	0.2 0.01 0.27 0.27	75	Wind blowing from the east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas				11.7 53	20.0 68			2000-2500 6562-8202			16.0 9.9	10.0 50
July 1, Wednesday	21	17.2 63	659.4 25.96 879.13 879.13	760.1 29.93 1013.38 1013.38	0.9 0.04 1.2 1.2	73	Wind blowing from the west-northwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	12.2 54