Snow Canyon State Park Weather Forecast

    • 68
    • 87

    Chance Rain Showers

    • 68
    • 85

    Chance Rain Showers

    • 66
    • 85

    Mostly Sunny

    • 64
    • 86

    Sunny

    • 64
    • 87

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

Today 15 Sep Lower Washington County

Sunny. Highs in the mid 90s.

Tonight 15 Sep Lower Washington County

Mostly clear with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms after midnight. Lows around 70. Chance of precipitation 40 percent.

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  • Temperature Real-Time

Snow Canyon State Park Temperature Statistics

September Temperature

St George Municipal Airport (15.5 miles)

  • Lowest 7 September, 2026

    62.1 °F

  • Average September

    83.4 °F

  • Highest 10 September, 2026

    102.9 °F

Climate (2021–2026)

St George Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.8 °F
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