Tupper Lake Weather Forecast

    • 40
    • 67

    Decreasing Clouds

    • 41
    • 69

    Mostly Sunny

    • 33
    • 54

    Chance Rain

    • 32
    • 54

    Partly Sunny

    • 41
    • 65

    Partly Sunny

    • 42
    • 69

    Partly Sunny

Today 2 May Butte/Blackfoot Region

Partly cloudy. A 20 percent chance of rain late in the afternoon. Highs in the 60s.

Tonight 2 May Butte/Blackfoot Region

Mostly cloudy. Lows in the mid 30s to lower 40s.

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Tupper Lake Temperature Statistics

May Temperature

Helena Regional Airport (52.2 miles)

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  • Average May

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Climate (2021–Present)

Helena Regional Airport (52.2 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    60.1 °F
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