Granite Peak Park Weather Forecast

    • 32
    • 53

    Decreasing Clouds

    • 31
    • 50

    Partly Sunny

    • 23
    • 51

    Snow Likely

    • 30
    • 40

    Chance Snow

    • 24
    • 52

    Chance Rain/Snow

    • 18
    • 40

    Slight Chance Snow

    • 22
    • 39

    Partly Sunny

Today 15 Dec Northern Stillwater

Mostly sunny. Warmer. Highs in the lower 50s. Southwest Winds 10 to 20 Mph.

Tonight 15 Dec Northern Stillwater

Decreasing Clouds. Lows in the lower 30s. Southwest Winds 10 to 20 Mph.

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Granite Peak Park Temperature Statistics

December Temperature

Billings, Billings Logan International Airport (35.4 miles)

  • Lowest 12 December, 2025

    3.9 °F

  • Average December

    30.9 °F

  • Highest 11 December, 2025

    61 °F

Climate (2020–Present)

Billings, Billings Logan International Airport (35.4 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    60.6 °F
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