Helena Valley Northwest Weather Forecast
- 47
- 74
Chance Thunderstorms
- 50
- 81
Becoming Sunny
- 54
- 86
Mostly Sunny
- 57
- 93
Mostly Sunny
- 56
- 93
Mostly Sunny
- 49
- 81
Mostly Sunny
- 52
- 83
Mostly Sunny
Today 5 Jul Helena Valley
Mostly cloudy with a 50 percent chance of Thunderstorms. Highs in the mid 70s. West Winds 10 to 15 Mph.
Tonight 5 Jul Helena Valley
Mostly clear. Lows 45 to 50. Northwest Winds 5 to 10 Mph shifting to the southwest after midnight.
Helena Valley Northwest Temperature Statistics
July Temperature
Helena Regional Airport (8.7 miles)
Lowest 1 July, 2025
60.1 °FAverage July
75.6 °FHighest 1 July, 2025
96.1 °F
Climate (2020–Present)
Helena Regional Airport (8.7 miles)
Average Low 2020–2025
36.1 °FAverage 2020–2025
47.5 °FAverage High 2020–2025
59.4 °F