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 January 19, Monday | 23 | -4.4 24 | 663.2 26.11 884.19 884.19 | 769.5 30.3 1025.92 1025.92 | -0.9 -0.04 -1.2 -1.2 | 77 | Calm, no wind | Calm | no clouds no clouds no clouds | -7.8 18 | 0.6 33 | 16.0 9.9 | -7.8 18 | ||||||||||||||||
20 | -2.8 27 | 664.1 26.15 885.39 885.39 | 770.8 30.35 1027.65 1027.65 | -0.7 -0.03 -0.93 -0.93 | 69 | 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 | 16.0 9.9 | -7.8 18 | |||||||||||||||||||
17 | 0.6 33 | 664.8 26.17 886.33 886.33 | 771.0 30.35 1027.92 1027.92 | -1.3 -0.05 -1.73 -1.73 | 54 | 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 | -7.8 18 | 3.3 38 | 16.0 9.9 | -7.8 18 | |||||||||||||||||
14 | 1.7 35 | 666.1 26.22 888.06 888.06 | 772.0 30.39 1029.25 1029.25 | -2.6 -0.1 -3.47 -3.47 | 54 | 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 | -6.7 20 | |||||||||||||||||||
11 | -5.0 23 | 668.7 26.33 891.53 891.53 | 775.6 30.54 1034.05 1034.05 | 0.0 0 0 0 | 85 | Calm, no wind | Calm | no clouds no clouds no clouds | -10.0 14 | -3.3 26 | 16.0 9.9 | -7.2 19 | |||||||||||||||||
08 | -9.4 15 | 668.7 26.33 891.53 891.53 | 775.9 30.55 1034.45 1034.45 | -0.4 -0.02 -0.53 -0.53 | 91 | Wind blowing from the north-west | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | -10.6 13 | |||||||||||||||||||
05 | -7.2 19 | 669.1 26.34 892.06 892.06 | 775.9 30.55 1034.45 1034.45 | 0.2 0.01 0.27 0.27 | 84 | Calm, no wind | Calm | no clouds no clouds no clouds | -7.8 18 | 2.8 37 | 16.0 9.9 | -9.4 15 | |||||||||||||||||
02 | -5.6 22 | 668.9 26.33 891.79 891.79 | 775.4 30.53 1033.78 1033.78 | -0.2 -0.01 -0.27 -0.27 | 82 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | -8.3 17 | |||||||||||||||||||
| January 18, Sunday | 23 | -3.3 26 | 669.1 26.34 892.06 892.06 | 775.3 30.52 1033.65 1033.65 | 0.2 0.01 0.27 0.27 | 75 | 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 | -6.7 20 | 1.1 34 | 16.0 9.9 | -7.2 19 | ||||||||||||||||