Tupper Lake Weather Forecast
- 37
- 62
Mostly Sunny
- 43
- 71
Sunny
- 44
- 77
Chance Rain
- 40
- 65
Rain Showers Likely
- 35
- 56
Chance Rain
- 40
- 66
Mostly Cloudy
Today 1 May Butte/Blackfoot Region
Mostly sunny. Highs in the upper 50s to mid 60s.
Tonight 1 May Butte/Blackfoot Region
Mostly clear. Lows in the 30s.
Tupper Lake Temperature Statistics
May Temperature
Helena Regional Airport (52.2 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Helena Regional Airport (52.2 miles)
Average Low 2020–2025
36.1 °FAverage 2020–2025
47.4 °FAverage High 2020–2025
59.2 °F