Tupper Lake Weather Forecast

    • 32
    • 47

    Increasing Clouds

    • 31
    • 43

    Rain

    • 28
    • 43

    Partly Sunny

    • 29
    • 46

    Mostly Cloudy

    • 29
    • 48

    Partly Sunny

    • 29
    • 46

    Partly Sunny

    • 29
    • 44

    Chance Rain/Snow

Today 31 Oct Butte/Blackfoot Region

Partly cloudy. Highs in the 40s.

Tonight 31 Oct Butte/Blackfoot Region

Mostly cloudy. Areas of rain until early Morning, then slight chance of rain and snow late in the night. Patchy fog after midnight. Chance of precipitation 50 percent. Lows in the upper 20s to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

October Temperature

Helena Regional Airport (52.2 miles)

  • Lowest 24 October, 2026

    22.6 °F

  • Average October

    47.6 °F

  • Highest 9 October, 2026

    82.7 °F

Climate (2021–2026)

Helena Regional Airport (52.2 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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