Sylvan Lake State Park Weather Forecast

    • 35
    • 57

    Rain Showers

    • 36
    • 58

    Mostly Sunny

    • 38
    • 65

    Partly Sunny

    • 36
    • 63

    Slight Chance Thunderstorms

    • 36
    • 63

    Mostly Sunny

    • 40
    • 67

    Mostly Sunny

Today 13 Sep Gore and Elk Mountains/Central Mountain Valleys

Numerous Showers and isolated Thunderstorms early in the Morning, then Showers and numerous Thunderstorms in the afternoon. Some Thunderstorms will produce heavy rainfall early in the morning. Some Thunderstorms will produce heavy rainfall in the afternoon. Highs in the 50s.

Tonight 13 Sep Gore and Elk Mountains/Central Mountain Valleys

Mostly cloudy. Numerous Showers with possible Thunderstorms and snow Showers in the Evening, then scattered Showers after midnight. Some Thunderstorms will produce heavy rainfall in the evening. No snow accumulation. Lows in the 30s. Chance of precipitation 70 percent.

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Sylvan Lake State Park Temperature Statistics

September Temperature

Eagle County Regional (12.4 miles)

  • Lowest 6 September, 2025

    43 °F

  • Average September

    63.1 °F

  • Highest 3 September, 2025

    84.9 °F

Climate (2020–Present)

Eagle County Regional (12.4 miles)

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  • Average Low 2020–2025

    30.9 °F

  • Average 2020–2025

    45 °F

  • Average High 2020–2025

    60.2 °F
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