St George Municipal Airport Weather Forecast

    • 81
    • 107

    Rain Showers

    • 81
    • 104

    Rain Showers Likely

    • 78
    • 101

    Rain Showers Likely

    • 77
    • 100

    Rain Showers Likely

    • 72
    • 92

    Rain Showers

    • 71
    • 89

    Rain Showers Likely

    • 71
    • 93

    Chance Thunderstorms

Today 22 Aug Lower Washington County

Partly cloudy. Isolated Showers and Thunderstorms in the afternoon. Highs around 108. Chance of precipitation 20 percent.

Tonight 22 Aug Lower Washington County

Mostly cloudy. A chance of rain Showers and a slight chance of Thunderstorms in the Evening, then a slight chance of rain Showers after midnight. Lows in the lower 80s. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St George Municipal Airport Temperature Statistics

August Temperature

St George Municipal Airport (0 miles)

  • Lowest 3 August, 2025

    70 °F

  • Average August

    89.9 °F

  • Highest 7 August, 2025

    107.1 °F

Climate (2020–Present)

St George Municipal Airport (0 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    76.5 °F
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