Tupper Lake Weather Forecast

    • 53
    • 84

    Chance Thunderstorms

    • 47
    • 77

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 52
    • 81

    Partly Sunny

    • 50
    • 82

    Partly Sunny

    • 47
    • 76

    Mostly Sunny

Today 22 Aug Butte/Blackfoot Region

Slight chance of rain in the Morning, then rain Showers likely and a chance of Thunderstorms in the afternoon. Chance of precipitation 70 percent. Some Thunderstorms may produce gusty Winds. Highs in the 80s.

Tonight 22 Aug Butte/Blackfoot Region

Mostly cloudy with a 50 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce gusty Winds. Lows in the upper 40s to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

August Temperature

Helena Regional Airport (52.2 miles)

  • Lowest 4 August, 2026

    45.6 °F

  • Average August

    70.2 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Helena Regional Airport (52.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads