St. George Airport Weather Forecast

    • 53
    • 78

    Increasing Clouds

    • 59
    • 71

    Mostly Cloudy

    • 33
    • 73

    Partly Sunny

    • 26
    • 51

    Mostly Sunny

    • 32
    • 52

    Mostly Sunny

    • 30
    • 57

    Partly Sunny

Today 27 Dec Dorchester

Patchy fog in the morning. Sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.

Tonight 27 Dec Dorchester

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. East Winds around 5 Mph.

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St. George Airport Temperature Statistics

December Temperature

Summerville Airport (16.2 miles)

  • Lowest 15 December, 2025

    21.2 °F

  • Average December

    49 °F

  • Highest 24 December, 2025

    78.8 °F

Climate (2020–Present)

Summerville Airport (16.2 miles)

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  • Average Low 2020–2025

    56.2 °F

  • Average 2020–2025

    65.8 °F

  • Average High 2020–2025

    76.8 °F
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