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 March 24, Tuesday | 05 | 2.8 37 | 658.9 25.94 878.46 878.46 | 761.0 29.96 1014.58 1014.58 | 0.0 0 0 0 | 62 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2.2 36 | 16.1 61 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -3.9 25 | ||||||||||||||||
02 | 6.1 43 | 658.9 25.94 878.46 878.46 | 760.8 29.95 1014.32 1014.32 | -0.5 -0.02 -0.67 -0.67 | 43 | Calm, no wind | Calm | 20–30%. 2/10–3/10. 2 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -5.6 22 | ||||||||||||||||||
| March 23, Monday | 23 | 7.2 45 | 659.4 25.96 879.13 879.13 | 762.1 30 1016.05 1016.05 | 0.0 0 0 0 | 39 | Wind blowing from the south-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | -2.1 28 | 15.0 59 | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | -6.1 21 | |||||||||||||||
20 | 9.4 49 | 659.4 25.96 879.13 879.13 | 762.7 30.03 1016.85 1016.85 | -0.2 -0.01 -0.27 -0.27 | 29 | 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 | 16.0 9.9 | -7.8 18 | |||||||||||||||||||
17 | 15.6 60 | 659.6 25.97 879.39 879.39 | 762.4 30.02 1016.45 1016.45 | -0.9 -0.04 -1.2 -1.2 | 14 | Wind blowing from the east | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | -2.1 28 | 16.1 61 | 16.0 9.9 | -11.7 11 | |||||||||||||||||
14 | 14.4 58 | 660.5 26 880.59 880.59 | 763.0 30.04 1017.25 1017.25 | -1.8 -0.07 -2.4 -2.4 | 13 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | -13.3 8 | |||||||||||||||||||
11 | 7.2 45 | 662.3 26.07 882.99 882.99 | 765.7 30.15 1020.85 1020.85 | -0.5 -0.02 -0.67 -0.67 | 34 | Calm, no wind | Calm | no clouds no clouds no clouds | -2.8 27 | 7.2 45 | 16.0 9.9 | -7.8 18 | |||||||||||||||||
08 | -1.1 30 | 662.8 26.09 883.66 883.66 | 766.9 30.19 1022.45 1022.45 | 0.3 0.01 0.4 0.4 | 61 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | -7.8 18 | |||||||||||||||||||
05 | -1.1 30 | 662.5 26.08 883.26 883.26 | 765.9 30.15 1021.12 1021.12 | 0.0 0 0 0 | 54 | Calm, no wind | Calm | no clouds no clouds no clouds | -2.2 28 | 14.4 58 | 16.0 9.9 | -9.4 15 | |||||||||||||||||