St. Clair Weather Forecast

    • 20
    • 30

    Decreasing Clouds

    • 23
    • 43

    Partly Sunny

    • 38
    • 49

    Rain Showers

    • 24
    • 50

    Mostly Cloudy

    • 29
    • 38

    Mostly Cloudy

    • 25
    • 43

    Partly Sunny

Today 16 Dec Schuylkill

Mostly sunny. Highs in the upper 20s. Southwest Winds around 5 Mph.

Tonight 16 Dec Schuylkill

Partly cloudy. Lows around 20. South Winds around 5 Mph. Gusts up to 20 Mph after midnight.

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St. Clair Temperature Statistics

December Temperature

Hazleton Municipal Airport (21.1 miles)

  • Lowest 9 December, 2025

    -0.4 °F

  • Average December

    25.5 °F

  • Highest 1 December, 2025

    35.6 °F

Climate (2020–Present)

Hazleton Municipal Airport (21.1 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    58.1 °F
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