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 17, Wednesday | 06 | 11.7 53 | 658.7 25.93 878.19 878.19 | 758.7 29.87 1011.52 1011.52 | 1.3 0.05 1.73 1.73 | 69 | Wind blowing from the north-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 11.1 52 | 30.0 86 | 600-1000 1968-3281 | 16.0 9.9 | 6.1 43 | |||||||||||||||
03 | 12.8 55 | 657.4 25.88 876.46 876.46 | 756.7 29.79 1008.85 1008.85 | 1.6 0.06 2.13 2.13 | 67 | Wind blowing from the north-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 | 6.7 44 | |||||||||||||||||||
00 | 17.2 63 | 655.8 25.82 874.33 874.33 | 754.8 29.72 1006.32 1006.32 | 2.0 0.08 2.67 2.67 | 50 | Wind blowing from the north | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 17.2 63 | 28.3 83 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 6.7 44 | ||||||||||||||||
| June 16, Tuesday | 21 | 24.4 76 | 653.8 25.74 871.66 871.66 | 752.2 29.61 1002.85 1002.85 | 0.6 0.02 0.8 0.8 | 23 | Wind blowing from the north-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | no clouds no clouds no clouds | 16.0 9.9 | 2.2 36 | |||||||||||||||||
18 | 28.3 83 | 653.2 25.72 870.86 870.86 | 751.5 29.59 1001.92 1001.92 | -0.8 -0.03 -1.07 -1.07 | 20 | Wind blowing from the west-northwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 19 m/s 68 km/h 43 mph 37 knots 8 Bft | 50%. 5/10. 4 oktas | 21.1 70 | 30.0 86 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 3.3 38 | |||||||||||||||
15 | 30.0 86 | 654.0 25.75 871.93 871.93 | 752.0 29.61 1002.58 1002.58 | -1.8 -0.07 -2.4 -2.4 | 18 | Wind blowing from the west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 15 m/s 54 km/h 34 mph 29 knots 7 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 | 2.8 37 | |||||||||||||||||
12 | 27.8 82 | 655.8 25.82 874.33 874.33 | 754.3 29.7 1005.65 1005.65 | -2.2 -0.09 -2.93 -2.93 | 21 | Wind blowing from the west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 20–30%. 2/10–3/10. 2 oktas | 20.6 69 | 27.8 82 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 3.3 38 | |||||||||||||||
09 | 22.8 73 | 658.0 25.91 877.26 877.26 | 757.0 29.8 1009.25 1009.25 | -0.9 -0.04 -1.2 -1.2 | 27 | 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 | 2.8 37 | |||||||||||||||||||
06 | 21.7 71 | 658.9 25.94 878.46 878.46 | 758.0 29.84 1010.58 1010.58 | -1.2 -0.05 -1.6 -1.6 | 31 | Wind blowing from the west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 21.1 70 | 28.3 83 | 16.0 9.9 | 3.9 39 | |||||||||||||||||