Gunnison Weather Forecast

    • 56
    • 88

    Mostly Sunny

    • 60
    • 92

    Partly Sunny

    • 61
    • 93

    Partly Sunny

    • 60
    • 94

    Partly Sunny

    • 61
    • 95

    Partly Sunny

    • 59
    • 92

    Chance Thunderstorms

    • 57
    • 89

    Rain Showers Likely

Today 16 Aug Sanpete Valley

Sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s.

Tonight 16 Aug Sanpete Valley

Mostly clear. Lows around 50.

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Gunnison Temperature Statistics

August Temperature

Delta, Delta Municipal Airport (39.8 miles)

  • Lowest 5 August, 2026

    55.4 °F

  • Average August

    79.7 °F

  • Highest 1 August, 2026

    104 °F

Climate (2021–2026)

Delta, Delta Municipal Airport (39.8 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    66.4 °F
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