Helena Weather Forecast
- 33
- 40
Chance Rain/Snow
- 23
- 66
Rain
- 8
- 25
Chance Snow Showers
- 20
- 30
Mostly Cloudy
- 29
- 40
Chance Snow
- 23
- 41
Chance Snow
Today 15 Mar Northern St. Lawrence
Mostly cloudy. A chance of snow Showers in the Morning, then a chance of rain or snow Showers in the afternoon. Little or no snow accumulation. Highs around 40. Light and variable Winds, becoming east around 10 Mph in the afternoon. Chance of precipitation 50 percent.
Tonight 15 Mar Northern St. Lawrence
Mostly cloudy. A chance of rain Showers until midnight. Lows in the lower 30s. Southeast Winds 10 to 15 Mph. Gusts up to 45 Mph after midnight. Chance of rain 40 percent.
Helena Temperature Statistics
March Temperature
Massena, Massena International-Richards Field (5.6 miles)
Lowest 2 March, 2026
-15.4 °FAverage March
31 °FHighest 9 March, 2026
64 °F
Climate (2021–Present)
Massena, Massena International-Richards Field (5.6 miles)
Average Low 2021–2026
36.2 °FAverage 2021–2026
46.3 °FAverage High 2021–2026
56 °F