St. George Airport Weather Forecast

    • 32
    • 76

    Rain Showers

    • 30
    • 52

    Partly Sunny

    • 34
    • 54

    Partly Sunny

    • 44
    • 64

    Mostly Sunny

    • 46
    • 72

    Partly Sunny

    • 54
    • 79

    Partly Sunny

Today 16 Mar Dorchester

Showers with a chance of Thunderstorms. Highs in the mid 70s. Breezy. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 90 percent.

Tonight 16 Mar Dorchester

Mostly cloudy with a chance of rain Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Much cooler with Lows in the lower 30s. Less humid. West Winds 15 to 20 Mph. Gusts up to 40 Mph, decreasing to 30 Mph after midnight. Chance of rain 50 percent.

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St. George Airport Temperature Statistics

March Temperature

Summerville Airport (16.2 miles)

  • Lowest 13 March, 2026

    35.6 °F

  • Average March

    65.1 °F

  • Highest 11 March, 2026

    89.6 °F

Climate (2021–Present)

Summerville Airport (16.2 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    76.7 °F
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