St George Weather Forecast

    • 83
    • 111

    Hot

    • 82
    • 109

    Hot

    • 81
    • 107

    Hot

    • 79
    • 103

    Hot

    • 78
    • 100

    Slight Chance Thunderstorms

    • 76
    • 97

    Chance Thunderstorms

Today 8 Aug Lower Washington County

Sunny. Highs around 110.

Tonight 8 Aug Lower Washington County

Mostly clear. Lows around 80.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St George Temperature Statistics

August Temperature

St George Municipal Airport (5 miles)

  • Lowest 1 August, 2026

    77 °F

  • Average August

    94.7 °F

  • Highest 1 August, 2026

    109.9 °F

Climate (2021–2026)

St George Municipal Airport (5 miles)

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  • Average Low 2021–2026

    52.9 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.8 °F
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