Napoleon Lake Weather Forecast

    • 35
    • 64

    Partly Sunny

    • 39
    • 67

    Partly Sunny

    • 42
    • 69

    Partly Sunny

    • 43
    • 70

    Partly Sunny

    • 45
    • 70

    Partly Sunny

    • 50
    • 76

    Partly Sunny

Today 23 May North Itasca

Mostly sunny. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 23 May North Itasca

Partly cloudy in the Evening, then clearing. Lows in the mid 30s. Northeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

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Napoleon Lake Temperature Statistics

May Temperature

Bigfork Municipal Airport (14.3 miles)

  • Lowest 10 May, 2025

    33.8 °F

  • Average May

    58.8 °F

  • Highest 11 May, 2025

    93.2 °F

Climate (2020–Present)

Bigfork Municipal Airport (14.3 miles)

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  • Average Low 2020–2025

    30.8 °F

  • Average 2020–2025

    42.1 °F

  • Average High 2020–2025

    52.4 °F
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