Tupper Lake Weather Forecast

    • 35
    • 61

    Increasing Clouds

    • 36
    • 57

    Partly Sunny

    • 37
    • 65

    Partly Sunny

    • 35
    • 58

    Partly Sunny

    • 38
    • 62

    Partly Sunny

    • 39
    • 63

    Rain Likely

    • 32
    • 49

    Chance Rain/Snow

Today 17 Oct Butte/Blackfoot Region

Mostly cloudy with a 20 percent chance of rain and snow. Highs in the upper 30s to mid 40s.

Tonight 17 Oct Butte/Blackfoot Region

Partly cloudy. Areas of fog late in the night. Lows in the 30s. West Winds to 15 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tupper Lake Temperature Statistics

October Temperature

Helena Regional Airport (52.2 miles)

  • Lowest 13 October, 2026

    25.6 °F

  • Average October

    51.1 °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

    48 °F

  • Average High 2021–2026

    59.9 °F
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