Grassy Lake Weather Forecast

    • 20
    • 34

    Mostly Cloudy

    • 23
    • 36

    Partly Sunny

    • 20
    • 42

    Partly Sunny

    • 16
    • 32

    Mostly Sunny

    • 18
    • 31

    Partly Sunny

    • 23
    • 37

    Mostly Sunny

    • 21
    • 42

    Mostly Sunny

Today 30 Jan Wind River Mountains East

Partly cloudy. Highs in the lower 30s. Northwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

Tonight 30 Jan Wind River Mountains East

Mostly cloudy and breezy. Lows in the lower 20s. West Winds 15 to 25 Mph. Gusts up to 45 Mph after midnight.

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  • Temperature Real-Time

Grassy Lake Temperature Statistics

January Temperature

Dubois Municipal Airport (23.6 miles)

  • Lowest 24 January, 2026

    -4 °F

  • Average January

    26.9 °F

  • Highest 14 January, 2026

    51.8 °F

Climate (2021–Present)

Dubois Municipal Airport (23.6 miles)

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  • Average Low 2021–2026

    30 °F

  • Average 2021–2026

    40.9 °F

  • Average High 2021–2026

    52.7 °F
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