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 July 12, Sunday | 03 | 19.4 67 | 661.0 26.02 881.26 881.26 | 759.9 29.92 1013.12 1013.12 | 0.3 0.01 0.4 0.4 | 53 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | 9.4 49 | ||||||||||||||||||
00 | 23.3 74 | 660.7 26.01 880.86 880.86 | 760.0 29.92 1013.25 1013.25 | 1.3 0.05 1.73 1.73 | 40 | 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 | 37.2 99 | 16.0 9.9 | 8.9 48 | ||||||||||||||||||
| July 11, Saturday | 21 | 30.0 86 | 659.4 25.96 879.13 879.13 | 758.5 29.86 1011.25 1011.25 | 1.4 0.06 1.87 1.87 | 27 | Wind blowing from the north-northwest | 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 | ||||||||||||||||||
18 | 37.2 99 | 658.0 25.91 877.26 877.26 | 756.7 29.79 1008.85 1008.85 | -0.3 -0.01 -0.4 -0.4 | 12 | Wind blowing from the west-northwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | no clouds no clouds no clouds | 15.0 59 | 38.3 101 | 16.0 9.9 | 3.9 39 | ||||||||||||||||
15 | 35.6 96 | 658.3 25.92 877.66 877.66 | 757.0 29.8 1009.25 1009.25 | -1.1 -0.04 -1.47 -1.47 | 19 | Wind blowing from the east-northeast | 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 | 8.3 47 | |||||||||||||||||||
12 | 27.2 81 | 659.4 25.96 879.13 879.13 | 758.6 29.87 1011.38 1011.38 | -0.2 -0.01 -0.27 -0.27 | 37 | Wind blowing from the east-southeast | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 15.0 59 | 27.2 81 | 16.0 9.9 | 11.1 52 | |||||||||||||||||
09 | 19.4 67 | 659.6 25.97 879.39 879.39 | 758.9 29.88 1011.78 1011.78 | 0.2 0.01 0.27 0.27 | 53 | Wind blowing from the north | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 9.4 49 | |||||||||||||||||||
06 | 16.1 61 | 659.4 25.96 879.13 879.13 | 758.7 29.87 1011.52 1011.52 | 0.9 0.04 1.2 1.2 | 56 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 15.0 59 | 31.7 89 | 16.0 9.9 | 7.2 45 | |||||||||||||||||
03 | 17.2 63 | 658.5 25.93 877.93 877.93 | 757.7 29.83 1010.18 1010.18 | 0.0 0 0 0 | 56 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | 8.3 47 | |||||||||||||||||||