St George Weather Forecast

    • 60
    • 85

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 62
    • 88

    Sunny

    • 64
    • 94

    Sunny

    • 67
    • 98

    Hot

Today 27 May Lower Washington County

Sunny. Highs in the mid 80s. Southwest Winds 10 to 20 Mph.

Tonight 27 May Lower Washington County

Partly cloudy. Lows in the upper 50s. Southwest Winds 10 to 20 Mph in the evening.

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St George Temperature Statistics

May Temperature

St George Municipal Airport (5 miles)

  • Lowest 18 May, 2026

    48.9 °F

  • Average May

    75.4 °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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