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 May 23, Saturday	00	12.2 54	658.9 25.94 878.46 878.46	760.0 29.92 1013.25 1013.25	0.4 0.02 0.53 0.53	49	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			100%. 10/10. 8 oktas					18.9 66			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	1.7 35
May 22, Friday	21	17.2 63	658.5 25.93 877.93 877.93	759.9 29.92 1013.12 1013.12	-0.7 -0.03 -0.93 -0.93	30	Wind blowing from the south-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	-0.6 31
	18	18.3 65	659.2 25.95 878.86 878.86	760.9 29.96 1014.45 1014.45	-0.9 -0.04 -1.2 -1.2	25	Wind blowing from the west	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			50%. 5/10. 4 oktas				2.8 37	18.9 66			2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	-2.2 28
	15	16.1 61	660.1 25.99 880.06 880.06	761.9 30 1015.78 1015.78	-0.4 -0.02 -0.53 -0.53	35	Wind blowing from the north-east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			100%. 10/10. 8 oktas								2500 or more, or no clouds. 8202 or more, or no clouds.			16.0 9.9	0.6 33
	12	15.0 59	660.5 26 880.59 880.59	762.3 30.01 1016.32 1016.32	-0.9 -0.04 -1.2 -1.2	38		Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds				2.8 37	15.6 60						16.0 9.9	0.6 33
	09	7.2 45	661.4 26.04 881.79 881.79	763.8 30.07 1018.32 1018.32	0.2 0.01 0.27 0.27	66	Wind blowing from the north-east	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			no clouds no clouds no clouds											16.0 9.9	1.1 34
	06	3.3 38	661.2 26.03 881.53 881.53	763.8 30.07 1018.32 1018.32	-0.2 -0.01 -0.27 -0.27	79	Calm, no wind	Calm			no clouds no clouds no clouds				2.8 37	15.0 59						16.0 9.9	0.0 32
	03	4.4 40	661.4 26.04 881.79 881.79	763.8 30.07 1018.32 1018.32	-0.5 -0.02 -0.67 -0.67	73	Wind blowing from the east-southeast	Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft)			20–30%. 2/10–3/10. 2 oktas								2000-2500 6562-8202			16.0 9.9	0.0 32
	00	9.4 49	661.9 26.06 882.46 882.46	764.2 30.09 1018.85 1018.85	0.0 0 0 0	50	Wind blowing from the west-southwest	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)			no clouds no clouds no clouds				5.0 41	15.0 59						16.0 9.9	-0.6 31