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 | |
| 2025 September 27, Saturday | 03 | 13.3 56 | 662.3 26.07 882.99 882.99 | 763.2 30.05 1017.52 1017.52 | 0.2 0.01 0.27 0.27 | 24 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -6.7 20 | ||||||||||||||||||
00 | 13.3 56 | 662.1 26.07 882.73 882.73 | 763.0 30.04 1017.25 1017.25 | 0.5 0.02 0.67 0.67 | 24 | 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 | 12.8 55 | 21.1 70 | 16.0 9.9 | -6.7 20 | |||||||||||||||||
| September 26, Friday | 21 | 15.6 60 | 661.6 26.05 882.06 882.06 | 762.5 30.02 1016.58 1016.58 | 0.6 0.02 0.8 0.8 | 19 | 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 | -7.8 18 | ||||||||||||||||||
18 | 21.1 70 | 661.0 26.02 881.26 881.26 | 761.5 29.98 1015.25 1015.25 | 0.3 0.01 0.4 0.4 | 12 | Wind blowing from the west-northwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | no clouds no clouds no clouds | 13.3 56 | 22.8 73 | 16.0 9.9 | -8.9 16 | |||||||||||||||||
15 | 22.8 73 | 660.7 26.01 880.86 880.86 | 761.1 29.96 1014.72 1014.72 | -0.7 -0.03 -0.93 -0.93 | 9 | Wind blowing from the west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | no clouds no clouds no clouds | 16.0 9.9 | -11.1 12 | ||||||||||||||||||
12 | 20.0 68 | 661.4 26.04 881.79 881.79 | 762.0 30 1015.92 1015.92 | 0.7 0.03 0.93 0.93 | 15 | Wind blowing from the west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | no clouds no clouds no clouds | 12.2 54 | 20.0 68 | 16.0 9.9 | -7.2 19 | ||||||||||||||||
09 | 17.2 63 | 660.7 26.01 880.86 880.86 | 761.2 29.97 1014.85 1014.85 | 1.1 0.04 1.47 1.47 | 29 | Wind blowing from the west-southwest | 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 | -1.1 30 | |||||||||||||||||||
06 | 16.7 62 | 659.6 25.97 879.39 879.39 | 759.2 29.89 1012.18 1012.18 | 1.6 0.06 2.13 2.13 | 30 | 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 | 13.3 56 | 28.9 84 | 16.0 9.9 | -1.1 30 | |||||||||||||||||
03 | 14.4 58 | 658.0 25.91 877.26 877.26 | 757.6 29.83 1010.05 1010.05 | 0.9 0.04 1.2 1.2 | 39 | 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 | 0.6 33 | |||||||||||||||||||