Black Canyon of the Gunnison National Park Weather Forecast

    • 60
    • 87

    Increasing Clouds

    • 60
    • 87

    Slight Chance Thunderstorms

    • 57
    • 84

    Rain Showers Likely

    • 57
    • 80

    Chance Thunderstorms

    • 56
    • 80

    Chance Thunderstorms

    • 56
    • 81

    Slight Chance Thunderstorms

Today 20 Aug Upper Gunnison River Valley

Mostly sunny. Slight chance of Showers and Thunderstorms in the afternoon. Highs in the 80s. Gusts up to 20 Mph in the afternoon. Chance of rain 20 percent.

Tonight 20 Aug Upper Gunnison River Valley

Mostly clear. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Canyon of the Gunnison National Park Temperature Statistics

August Temperature

Montrose, Montrose Regional Airport (9.9 miles)

  • Lowest 15 August, 2026

    55.7 °F

  • Average August

    77.6 °F

  • Highest 3 August, 2026

    101.6 °F

Climate (2021–2026)

Montrose, Montrose Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    66.1 °F
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