St. George Airport Weather Forecast

    • 28
    • 52

    Becoming Sunny

    • 31
    • 53

    Partly Sunny

    • 40
    • 62

    Mostly Sunny

    • 47
    • 74

    Mostly Sunny

    • 55
    • 81

    Partly Sunny

    • 56
    • 83

    Mostly Sunny

Today 17 Mar Dorchester

Sunny. Much cooler with Highs in the lower 50s. Northwest Winds 5 to 10 Mph.

Tonight 17 Mar Dorchester

Mostly clear. Much cooler with Lows in the lower 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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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

    64.9 °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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