Castle Valley Weather Forecast

    • 55
    • 80

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 56
    • 79

    Rain Showers Likely

    • 57
    • 77

    Slight Chance Thunderstorms

    • 59
    • 80

    Chance Rain Showers

Today 19 Sep Arches/Grand Flat

Sunny. Highs 75 to 85.

Tonight 19 Sep Arches/Grand Flat

Mostly clear. Lows in the 50s.

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  • Temperature Real-Time

Castle Valley Temperature Statistics

September Temperature

Moab, Canyonlands Field (19.9 miles)

  • Lowest 10 September, 2026

    52.6 °F

  • Average September

    75.4 °F

  • Highest 13 September, 2026

    94.6 °F

Climate (2021–2026)

Moab, Canyonlands Field (19.9 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    70 °F
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