Golden Gate Canyon State Park Weather Forecast

    • 34
    • 48

    Increasing Clouds

    • 34
    • 45

    Chance Snow

    • 30
    • 41

    Slight Chance Snow

    • 33
    • 48

    Partly Sunny

    • 31
    • 46

    Partly Sunny

    • 28
    • 44

    Partly Sunny

    • 24
    • 38

    Partly Sunny

Today 31 Dec South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Partly cloudy. Highs 37 to 47. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 31 Dec South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly cloudy. Lows 20 to 30. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Golden Gate Canyon State Park Temperature Statistics

December Temperature

Boulder Municipal Airport (16.2 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    44.8 °F

  • Highest 22 December, 2025

    71.6 °F

Climate (2021–Present)

Boulder Municipal Airport (16.2 miles)

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  • Average Low 2021–2025

    40.7 °F

  • Average 2021–2025

    52.8 °F

  • Average High 2021–2025

    65.3 °F
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