St. George Airport Weather Forecast

    • 50
    • 74

    Partly Sunny

    • 60
    • 84

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 55
    • 89

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 50
    • 71

    Mostly Cloudy

    • 54
    • 79

    Mostly Sunny

Today 20 Mar Dorchester

Sunny. Highs in the mid 70s. Southwest Winds around 5 Mph.

Tonight 20 Mar Dorchester

Partly cloudy in the Evening, then clearing. Lows around 50. Southwest Winds around 5 Mph.

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St. George Airport Temperature Statistics

March Temperature

Summerville Airport (16.2 miles)

  • Lowest 18 March, 2026

    32 °F

  • Average March

    63.7 °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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