Sylvan Lake State Park Weather Forecast

    • 21
    • 48

    Mostly Sunny

    • 21
    • 43

    Mostly Sunny

    • 21
    • 46

    Partly Sunny

    • 19
    • 43

    Mostly Sunny

    • 24
    • 43

    Partly Sunny

    • 23
    • 42

    Chance Snow Showers

    • 26
    • 40

    Mostly Cloudy

Today 12 Dec Gore and Elk Mountains/Central Mountain Valleys

Sunny. Highs 35 to 45.

Tonight 12 Dec Gore and Elk Mountains/Central Mountain Valleys

Mostly clear. Lows 15 to 25. Northwest Winds 10 to 15 Mph.

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Sylvan Lake State Park Temperature Statistics

December Temperature

Eagle County Regional (12.4 miles)

  • Lowest 1 December, 2025

    12.9 °F

  • Average December

    28.9 °F

  • Highest 10 December, 2025

    52 °F

Climate (2020–Present)

Eagle County Regional (12.4 miles)

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  • Average Low 2020–2025

    31.1 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    60.2 °F
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