Harrisburg Junction Weather Forecast

    • 38
    • 59

    Mostly Sunny

    • 37
    • 61

    Mostly Sunny

    • 40
    • 63

    Mostly Sunny

    • 41
    • 66

    Mostly Sunny

    • 41
    • 67

    Mostly Sunny

    • 40
    • 67

    Sunny

Today 7 Dec Lower Washington County

Sunny. Highs around 60.

Tonight 7 Dec Lower Washington County

Partly cloudy. Lows in the upper 30s.

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Harrisburg Junction Temperature Statistics

December Temperature

St George Municipal Airport (9.3 miles)

  • Lowest 5 December, 2025

    28.9 °F

  • Average December

    41.3 °F

  • Highest 1 December, 2025

    53.1 °F

Climate (2020–Present)

St George Municipal Airport (9.3 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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