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 July 11, Friday | 00 | 15.0 59 | 666.1 26.22 888.06 888.06 | 766.9 30.19 1022.45 1022.45 | 2.7 0.11 3.6 3.6 | 62 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 14.4 58 | 27.8 82 | 1000-1500 3281-4921 | 16.0 9.9 | 7.8 46 | |||||||||||||||
| July 10, Thursday | 21 | 18.9 66 | 663.4 26.12 884.46 884.46 | 763.9 30.07 1018.45 1018.45 | 2.2 0.09 2.93 2.93 | 54 | Wind blowing from the north | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 70 – 80%. 7/10 – 8/10. 6 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 9.4 49 | ||||||||||||||||
18 | 27.8 82 | 661.2 26.03 881.53 881.53 | 760.7 29.95 1014.18 1014.18 | 0.9 0.04 1.2 1.2 | 23 | Wind blowing from the west-northwest | Strong breeze (12 m/s) (43 km/h) (27 miles/hour) (23 knots) (6 Bft) | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | no clouds no clouds no clouds | 20.6 69 | 30.0 86 | 16.0 9.9 | 5.0 41 | ||||||||||||||||
15 | 28.3 83 | 660.3 26 880.33 880.33 | 759.4 29.9 1012.45 1012.45 | -0.9 -0.04 -1.2 -1.2 | 24 | Wind blowing from the west-southwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 16.0 9.9 | 6.1 43 | |||||||||||||||||
12 | 26.7 80 | 661.2 26.03 881.53 881.53 | 760.7 29.95 1014.18 1014.18 | -1.1 -0.04 -1.47 -1.47 | 26 | Wind blowing from the west-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | no clouds no clouds no clouds | 26.7 80 | 16.0 9.9 | 5.6 42 | |||||||||||||||||
09 | 23.3 74 | 662.3 26.07 882.99 882.99 | 0.2 0.01 0.27 0.27 | 31 | 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 | 5.0 41 | |||||||||||||||||||||
06 | 20.6 69 | 662.1 26.07 882.73 882.73 | 761.3 29.97 1014.98 1014.98 | 0.2 0.01 0.27 0.27 | 31 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | no clouds no clouds no clouds | 35.6 96 | 16.0 9.9 | 2.8 37 | ||||||||||||||||||
03 | 22.8 73 | 661.9 26.06 882.46 882.46 | 760.8 29.95 1014.32 1014.32 | 1.2 0.05 1.6 1.6 | 29 | Wind blowing from the west-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | no clouds no clouds no clouds | 16.0 9.9 | 3.9 39 | |||||||||||||||||||
00 | 21.7 71 | 660.7 26.01 880.86 880.86 | 760.0 29.92 1013.25 1013.25 | 32 | Wind blowing from the north-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 | 4.4 40 | ||||||||||||||||||||