Arches National Park Weather Forecast

    • 29
    • 54

    Mostly Sunny

    • 29
    • 50

    Mostly Sunny

    • 34
    • 56

    Partly Sunny

    • 35
    • 58

    Partly Sunny

    • 37
    • 58

    Mostly Cloudy

    • 36
    • 61

    Mostly Cloudy

    • 37
    • 58

    Mostly Cloudy

Today 17 Dec Arches/Grand Flat

Sunny. Highs in the 50s.

Tonight 17 Dec Arches/Grand Flat

Mostly clear. Lows 25 to 35.

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Arches National Park Temperature Statistics

December Temperature

Moab, Canyonlands Field (8.1 miles)

  • Lowest 4 December, 2025

    19.9 °F

  • Average December

    35 °F

  • Highest 10 December, 2025

    52 °F

Climate (2020–Present)

Moab, Canyonlands Field (8.1 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    55.7 °F

  • Average High 2020–2025

    69.1 °F
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