Mancos State Park Weather Forecast

    • 50
    • 75

    Partly Sunny

    • 50
    • 78

    Chance Rain Showers

    • 50
    • 74

    Chance Thunderstorms

    • 51
    • 77

    Slight Chance Thunderstorms

    • 52
    • 79

    Chance Thunderstorms

    • 51
    • 77

    Chance Thunderstorms

Today 5 Sep Southwest San Juan Mountains

Mostly sunny. Slight chance of Showers and Thunderstorms in the afternoon. Highs in the 60s. Chance of rain 10 percent.

Tonight 5 Sep Southwest San Juan Mountains

Partly cloudy. Lows in the 40s.

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Mancos State Park Temperature Statistics

September Temperature

Cortez-Montezuma County Airport (19.9 miles)

  • Lowest 1 September, 2026

    48.7 °F

  • Average September

    65.7 °F

  • Highest 3 September, 2026

    82 °F

Climate (2021–2026)

Cortez-Montezuma County Airport (19.9 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    67.5 °F
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