Winfield Weather Forecast

    • 10
    • 36

    Decreasing Clouds

    • 18
    • 29

    Mostly Cloudy

    • 22
    • 37

    Mostly Cloudy

    • 17
    • 38

    Mostly Cloudy

    • 9
    • 27

    Partly Sunny

    • 23
    • 31

    Chance Snow

Today 4 Dec Union

Partly sunny. A slight chance of snow Showers this morning. Highs in the mid 30s. Temperature falling into the upper 20s this afternoon. West Winds 5 to 10 Mph with Gusts up to 30 Mph. Chance of snow 20 percent.

Tonight 4 Dec Union

Mostly clear. Much Colder with Lows around 10 above. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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Winfield Temperature Statistics

December Temperature

Selinsgrove Penn Valley Airport (6.2 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    32.4 °F

  • Highest 1 December, 2025

    39 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (6.2 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    63.1 °F
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