Arches National Park Weather Forecast

    • 56
    • 80

    Increasing Clouds

    • 58
    • 81

    Mostly Cloudy

    • 58
    • 83

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

    • 58
    • 85

    Mostly Sunny

Today 18 Sep Arches/Grand Flat

Sunny. Highs 75 to 85.

Tonight 18 Sep Arches/Grand Flat

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the 50s.

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  • Temperature Real-Time

Arches National Park Temperature Statistics

September Temperature

Moab, Canyonlands Field (8.1 miles)

  • Lowest 7 September, 2025

    54 °F

  • Average September

    73.3 °F

  • Highest 2 September, 2025

    93.9 °F

Climate (2020–Present)

Moab, Canyonlands Field (8.1 miles)

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  • Average Low 2020–2025

    41.9 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    69.2 °F
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