Sweitzer Lake State Park Weather Forecast

    • 48
    • 84

    Slight Chance Thunderstorms

    • 48
    • 82

    Slight Chance Thunderstorms

    • 48
    • 83

    Slight Chance Thunderstorms

    • 43
    • 81

    Slight Chance Thunderstorms

    • 44
    • 81

    Mostly Sunny

    • 48
    • 84

    Mostly Sunny

Today 19 Sep Central Gunnison and Uncompahgre River Basin

Partly sunny. Isolated Showers and Thunderstorms in the afternoon. Highs 75 to 85. Chance of rain 10 percent.

Tonight 19 Sep Central Gunnison and Uncompahgre River Basin

Mostly cloudy in the Evening, then becoming partly cloudy. Slight chance of Showers and Thunderstorms. Lows 45 to 55. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweitzer Lake State Park Temperature Statistics

September Temperature

Delta/Blake Field Airport (5 miles)

  • Lowest 14 September, 2025

    41.7 °F

  • Average September

    69.6 °F

  • Highest 3 September, 2025

    97.7 °F

Climate (2020–Present)

Delta/Blake Field Airport (5 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    68.8 °F
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