Golden Gate Canyon State Park Weather Forecast

    • 19
    • 46

    Snow Showers Likely

    • 31
    • 36

    Breezy

    • 38
    • 48

    Windy

    • 32
    • 43

    Chance Snow

    • 34
    • 45

    Partly Sunny

    • 35
    • 49

    Mostly Sunny

Today 17 Dec South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Mostly sunny in the Morning, then mostly cloudy with a chance of snow Showers and patchy blowing snow early in the afternoon. Snow Showers likely and patchy blowing snow late in the afternoon. Very windy. Visibility one quarter mile or less at Times in the afternoon. Snow accumulation up to 1 inch. Highs 33 to 43. West Winds 15 to 25 Mph with Gusts up to 50 Mph, increasing to 25 to 35 Mph with Gusts up to 60 Mph in the afternoon. Chance of snow 60 percent.

Tonight 17 Dec South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and Wes

Becoming partly cloudy after midnight. Blowing snow. Snow Showers in the Evening, then a chance of snow Showers after midnight. Strong Winds. Visibility one quarter mile or less at Times. Snow accumulation of 2 to 5 Inches. Lows 7 to 17. West Winds 30 to 45 Mph with Gusts up to 70 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

    41.3 °F
  • Highest 15 December, 2025

    66.2 °F

Climate (2020–Present)

Boulder Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    40.6 °F
  • Average 2020–2025

    52.8 °F
  • Average High 2020–2025

    65.2 °F
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