St George Weather Forecast

    • 64
    • 96

    Mostly Sunny

    • 59
    • 91

    Increasing Clouds

    • 50
    • 86

    Rain Showers

    • 50
    • 76

    Sunny

    • 54
    • 83

    Sunny

    • 57
    • 89

    Mostly Sunny

    • 59
    • 93

    Mostly Sunny

Today 15 May Lower Washington County

Sunny. Highs in the mid 90s. West Winds 10 to 20 Mph in the afternoon.

Tonight 15 May Lower Washington County

Mostly clear. Lows in the lower 60s.

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St George Temperature Statistics

May Temperature

St George Municipal Airport (5 miles)

  • Lowest 5 May, 2026

    52 °F

  • Average May

    75.6 °F

  • Highest 12 May, 2026

    100.9 °F

Climate (2021–Present)

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

    76.9 °F
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