St George Weather Forecast

    • 37
    • 62

    Sunny

    • 38
    • 63

    Mostly Sunny

    • 41
    • 67

    Mostly Sunny

    • 41
    • 69

    Sunny

    • 40
    • 69

    Sunny

    • 39
    • 67

    Mostly Sunny

Today 8 Dec Lower Washington County

Sunny. Highs in the lower 60s.

Tonight 8 Dec Lower Washington County

Clear. Lows in the mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St George Temperature Statistics

December Temperature

St George Municipal Airport (5 miles)

  • Lowest 5 December, 2025

    28.9 °F

  • Average December

    41.7 °F

  • Highest 6 December, 2025

    59 °F

Climate (2020–Present)

St George Municipal Airport (5 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    76.4 °F
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