Lone Mesa State Park Weather Forecast

    • 45
    • 73

    Chance Thunderstorms

    • 45
    • 73

    Chance Thunderstorms

    • 43
    • 74

    Slight Chance Thunderstorms

    • 44
    • 76

    Mostly Sunny

    • 45
    • 76

    Mostly Sunny

    • 48
    • 78

    Partly Sunny

Today 22 Jul Southwest San Juan Mountains

Mostly sunny with a slight chance of Showers and Thunderstorms in the Morning, then mostly cloudy with Showers and Thunderstorms likely in the afternoon. Highs in the 60s. Chance of rain 70 percent.

Tonight 22 Jul Southwest San Juan Mountains

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Lows 45 to 55. Chance of rain 30 percent.

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  • Temperature Real-Time

Lone Mesa State Park Temperature Statistics

July Temperature

Cortez-Montezuma County Airport (31.7 miles)

  • Lowest 5 July, 2025

    45.6 °F

  • Average July

    73.7 °F

  • Highest 9 July, 2025

    98.7 °F

Climate (2020–Present)

Cortez-Montezuma County Airport (31.7 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    66.8 °F
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