Helena Weather Forecast
- 66
- 78
Rain Showers
- 60
- 79
Slight Chance Rain Showers
- 54
- 76
Slight Chance Rain Showers
- 50
- 72
Slight Chance Rain Showers
- 51
- 73
Mostly Sunny
- 54
- 75
Chance Rain Showers
- 52
- 71
Chance Rain Showers
Today 2 Sep Northern St. Lawrence
Showers likely with a chance of Thunderstorms. Highs in the upper 70s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.
Tonight 2 Sep Northern St. Lawrence
Showers. A chance of Thunderstorms, mainly until midnight. Some Thunderstorms may produce heavy rainfall until midnight. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the mid 60s. Southwest Winds 10 to 15 Mph. Chance of rain 90 percent.
Helena Temperature Statistics
September Temperature
Massena, Massena International-Richards Field (5.6 miles)
Lowest
–Average September
–Highest
–
Climate (2021–2026)
Massena, Massena International-Richards Field (5.6 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
46.2 °FAverage High 2021–2026
55.9 °F