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 June 22, Monday	03	12.2 54	662.1 26.07 882.73 882.73	762.7 30.03 1016.85 1016.85	1.1 0.04 1.47 1.47	69	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											16.0 9.9	6.7 44
2026 June 22, Monday	00	17.2 63	661.0 26.02 881.26 881.26	761.5 29.98 1015.25 1015.25	1.6 0.06 2.13 2.13	50	Wind blowing from the west	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)	10 m/s 36 km/h 22 mph 19 knots 5 Bft		no clouds no clouds no clouds				10.6 51	26.7 80						16.0 9.9	6.7 44
June 21, Sunday	21	21.1 70	659.4 25.96 879.13 879.13	759.8 29.91 1012.98 1012.98	0.9 0.04 1.2 1.2	42	Wind blowing from the north-northwest	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			no clouds no clouds no clouds											16.0 9.9	7.8 46
	18	25.6 78	658.5 25.93 877.93 877.93	758.7 29.87 1011.52 1011.52	-0.4 -0.02 -0.53 -0.53	21		Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas				10.6 51	26.1 79			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	1.7 35
	15	25.0 77	658.9 25.94 878.46 878.46	759.1 29.89 1012.05 1012.05	-0.9 -0.04 -1.2 -1.2	22	Wind blowing from the north-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			50%. 5/10. 4 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	1.7 35
	12	20.6 69	659.8 25.98 879.66 879.66	760.4 29.94 1013.78 1013.78	-0.9 -0.04 -1.2 -1.2	45					no clouds no clouds no clouds				11.1 52	20.6 69						16.0 9.9	8.3 47
	09	15.6 60	660.7 26.01 880.86 880.86	761.4 29.98 1015.12 1015.12	0.4 0.02 0.53 0.53	62	Wind blowing from the west	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	8.3 47
	06	11.1 52	660.3 26 880.33 880.33	760.8 29.95 1014.32 1014.32	1.4 0.06 1.87 1.87	83	Wind blowing from the west	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)			no clouds no clouds no clouds				10.6 51	25.6 78						16.0 9.9	8.3 47
	03	11.1 52	658.9 25.94 878.46 878.46	759.7 29.91 1012.85 1012.85	1.3 0.05 1.73 1.73	86	Wind blowing from the west	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	8.9 48