St Clair Weather Forecast

    • 24
    • 37

    Mostly Cloudy

    • 6
    • 31

    Gradual Clearing

    • 9
    • 18

    Sunny

    • 26
    • 42

    Mostly Sunny

    • 37
    • 53

    Partly Sunny

    • 46
    • 60

    Mostly Cloudy

    • 34
    • 57

    Partly Sunny

Today 12 Dec Franklin

Mostly cloudy. Near steady temperature in the upper 30s. North Winds around 5 Mph.

Tonight 12 Dec Franklin

Mostly cloudy. Lows in the mid 20s. Northwest Winds around 5 Mph.

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St Clair Temperature Statistics

December Temperature

Washington Regional Airport (16.2 miles)

  • Lowest 3 December, 2025

    14 °F

  • Average December

    33 °F

  • Highest 9 December, 2025

    59 °F

Climate (2020–Present)

Washington Regional Airport (16.2 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    69 °F
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