St George Weather Forecast

    • 69
    • 95

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 71
    • 94

    Chance Rain Showers

    • 71
    • 88

    Chance Thunderstorms

    • 70
    • 89

    Slight Chance Thunderstorms

    • 71
    • 91

    Slight Chance Thunderstorms

Today 3 Sep Lower Washington County

Sunny. Highs in the mid 90s.

Tonight 3 Sep Lower Washington County

Mostly clear. Lows in the upper 60s.

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St George Temperature Statistics

September Temperature

St George Municipal Airport (5 miles)

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  • Average September

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Climate (2021–2026)

St George Municipal Airport (5 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.9 °F
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