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 15, Monday | 18 | 27.8 82 | 661.4 26.04 881.79 881.79 | 762.1 30 1016.05 1016.05 | -1.6 -0.06 -2.13 -2.13 | 18 | 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 | 7.2 45 | 28.3 83 | 16.0 9.9 | 1.7 35 | ||||||||||||||||
15 | 26.7 80 | 663.0 26.1 883.93 883.93 | 763.8 30.07 1018.32 1018.32 | -2.0 -0.08 -2.67 -2.67 | 15 | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | no clouds no clouds no clouds | 16.0 9.9 | -2.2 28 | |||||||||||||||||||
12 | 20.6 69 | 665.0 26.18 886.59 886.59 | 766.5 30.18 1021.92 1021.92 | -1.4 -0.06 -1.87 -1.87 | 29 | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 6.1 43 | 20.6 69 | 16.0 9.9 | 1.7 35 | ||||||||||||||||||
09 | 12.2 54 | 666.4 26.24 888.46 888.46 | 768.0 30.24 1023.92 1023.92 | 0.5 0.02 0.67 0.67 | 51 | Wind blowing from the north-northwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 2.2 36 | |||||||||||||||||||
06 | 8.3 47 | 665.9 26.22 887.79 887.79 | 767.8 30.23 1023.65 1023.65 | 0.2 0.01 0.27 0.27 | 56 | Calm, no wind | Calm | no clouds no clouds no clouds | 7.2 45 | 22.8 73 | 16.0 9.9 | 0.0 32 | |||||||||||||||||
03 | 10.0 50 | 665.7 26.21 887.53 887.53 | 767.7 30.22 1023.52 1023.52 | 0.2 0.01 0.27 0.27 | 50 | Wind blowing from the south-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 | 0.0 32 | |||||||||||||||||||
00 | 12.8 55 | 665.5 26.2 887.26 887.26 | 767.4 30.21 1023.12 1023.12 | 0.5 0.02 0.67 0.67 | 44 | Calm, no wind | Calm | no clouds no clouds no clouds | 3.9 39 | 22.8 73 | 16.0 9.9 | 0.6 33 | |||||||||||||||||
| June 14, Sunday | 21 | 20.6 69 | 665.0 26.18 886.59 886.59 | 766.6 30.18 1022.05 1022.05 | -0.7 -0.03 -0.93 -0.93 | 24 | Calm, no wind | Calm | no clouds no clouds no clouds | 16.0 9.9 | -0.6 31 | ||||||||||||||||||
18 | 22.2 72 | 665.7 26.21 887.53 887.53 | 768.0 30.24 1023.92 1023.92 | -1.2 -0.05 -1.6 -1.6 | 19 | Wind blowing from the north-northeast | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | no clouds no clouds no clouds | 3.9 39 | 22.8 73 | 16.0 9.9 | -2.8 27 | |||||||||||||||||