St George Municipal Airport Weather Forecast

    • 55
    • 86

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 49
    • 77

    Partly Sunny

    • 51
    • 77

    Partly Sunny

Today 20 Apr Lower Washington County

Sunny. Highs in the upper 80s.

Tonight 20 Apr Lower Washington County

Mostly clear. Lows in the mid 50s.

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St George Municipal Airport Temperature Statistics

April Temperature

St George Municipal Airport (0 miles)

  • Lowest 4 April, 2026

    44.1 °F

  • Average April

    64.8 °F

  • Highest 8 April, 2026

    87.1 °F

Climate (2021–Present)

St George Municipal Airport (0 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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