Lone Mesa State Park Weather Forecast

    • 40
    • 63

    Partly Sunny

    • 42
    • 63

    Rain Showers

    • 40
    • 51

    Rain Showers

    • 37
    • 52

    Rain Showers Likely

    • 35
    • 56

    Chance Thunderstorms

    • 38
    • 61

    Mostly Sunny

    • 38
    • 61

    Mostly Sunny

Today 26 Sep Southwest San Juan Mountains

Mostly sunny. Highs 55 to 65.

Tonight 26 Sep Southwest San Juan Mountains

Partly cloudy. Lows 35 to 45.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lone Mesa State Park Temperature Statistics

September Temperature

Cortez-Montezuma County Airport (31.7 miles)

  • Lowest 21 September, 2026

    41.6 °F

  • Average September

    66.4 °F

  • Highest 9 September, 2026

    90.6 °F

Climate (2021–2026)

Cortez-Montezuma County Airport (31.7 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    67.5 °F
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