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 October 1, Thursday | 00 | 13.3 56 | 662.8 26.09 883.66 883.66 | 763.9 30.07 1018.45 1018.45 | 0.5 0.02 0.67 0.67 | 67 | Wind blowing from the west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 11.7 53 | 18.9 66 | 2000-2500 6562-8202 | 16.0 9.9 | 7.2 45 | Trace of precipitation Trace of precipitation | 6 | |||||||||||||
| September 30, Wednesday | 21 | 13.9 57 | 662.3 26.07 882.99 882.99 | 763.6 30.06 1018.05 1018.05 | 1.3 0.05 1.73 1.73 | 72 | Wind blowing from the west-southwest | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 70 – 80%. 7/10 – 8/10. 6 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 8.9 48 | Trace of precipitation Trace of precipitation | 3 | |||||||||||||||
18 | 16.7 62 | 661.0 26.02 881.26 881.26 | 762.2 30.01 1016.18 1016.18 | 0.9 0.04 1.2 1.2 | 56 | Wind blowing from the north-northwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | 12.8 55 | 21.1 70 | 1500-2000 4921-6562 | 16.0 9.9 | 7.8 46 | |||||||||||||||
15 | 20.6 69 | 660.1 25.99 880.06 880.06 | 760.4 29.94 1013.78 1013.78 | 0.0 0 0 0 | 39 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 16.0 9.9 | 6.1 43 | |||||||||||||||||
12 | 18.3 65 | 660.1 25.99 880.06 880.06 | 760.8 29.95 1014.32 1014.32 | 0.0 0 0 0 | 45 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 12.8 55 | 18.9 66 | 2000-2500 6562-8202 | 16.0 9.9 | 6.1 43 | ||||||||||||||||
09 | 16.1 61 | 660.1 25.99 880.06 880.06 | 760.7 29.95 1014.18 1014.18 | 1.6 0.06 2.13 2.13 | 52 | Wind blowing from the south | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 16.0 9.9 | 6.1 43 | ||||||||||||||||||
06 | 13.3 56 | 658.5 25.93 877.93 877.93 | 758.8 29.87 1011.65 1011.65 | 0.2 0.01 0.27 0.27 | 57 | Calm, no wind | Calm | 70 – 80%. 7/10 – 8/10. 6 oktas | 12.2 54 | 21.7 71 | 2000-2500 6562-8202 | 16.0 9.9 | 5.0 41 | ||||||||||||||||
03 | 14.4 58 | 658.3 25.92 877.66 877.66 | 758.5 29.86 1011.25 1011.25 | 0.3 0.01 0.4 0.4 | 56 | Wind blowing from the south-east | Light breeze (2 m/s) (7 km/h) (4 mph) (4 knots) (2 Bft) | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 16.0 9.9 | 5.6 42 | ||||||||||||||||||
00 | 15.0 59 | 658.0 25.91 877.26 877.26 | 758.7 29.87 1011.52 1011.52 | 0.4 0.02 0.53 0.53 | 51 | Calm, no wind | Calm | 100%. 10/10. 8 oktas | 6.7 44 | 20.6 69 | 2000-2500 6562-8202 | 16.0 9.9 | 5.0 41 | ||||||||||||||||