St George Municipal Airport Weather Forecast

    • 81
    • 101

    Chance Thunderstorms

    • 81
    • 102

    Slight Chance Thunderstorms

    • 80
    • 102

    Chance Thunderstorms

    • 80
    • 101

    Chance Thunderstorms

    • 81
    • 102

    Slight Chance Thunderstorms

    • 81
    • 103

    Slight Chance Thunderstorms

    • 81
    • 104

    Slight Chance Thunderstorms

Today 19 Jul Lower Washington County

Sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs around 102.

Tonight 19 Jul Lower Washington County

Mostly cloudy with a 30 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows around 80.

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St George Municipal Airport Temperature Statistics

July Temperature

St George Municipal Airport (0 miles)

  • Lowest 1 July, 2026

    66.9 °F

  • Average July

    89.7 °F

  • Highest 9 July, 2026

    107.1 °F

Climate (2021–2026)

St George Municipal Airport (0 miles)

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  • Average Low 2021–2026

    52.9 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    76.8 °F
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