Helena Weather Forecast
- 62
- 85
Mostly Sunny
- 59
- 83
Mostly Sunny
- 62
- 82
Partly Sunny
- 66
- 85
Partly Sunny
- 66
- 88
Slight Chance Thunderstorms
- 66
- 88
Mostly Sunny
Today 22 Aug Lawrence
Sunny. Highs in the mid 80s. Northwest Winds 10 to 15 Mph.
Tonight 22 Aug Lawrence
Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 20 percent.
Helena Temperature Statistics
August Temperature
Mount Carmel, Mount Carmel Municipal Airport (7.5 miles)
Lowest 5 August, 2026
59.4 °FAverage August
78.8 °FHighest 16 August, 2026
97.2 °F
Climate (2021–2026)
Mount Carmel, Mount Carmel Municipal Airport (7.5 miles)
Average Low 2021–2026
48.1 °FAverage 2021–2026
58.3 °FAverage High 2021–2026
68.4 °F