Wallace Weather Forecast

    • 14
    • 38

    Gradual Clearing

    • 21
    • 30

    Chance Snow

    • 23
    • 38

    Mostly Cloudy

    • 21
    • 39

    Mostly Cloudy

    • 12
    • 29

    Partly Sunny

    • 23
    • 33

    Mostly Cloudy

Today 4 Dec Western Chester

Mostly sunny. Highs in the upper 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 4 Dec Western Chester

Mostly clear in the Evening, then becoming partly cloudy. Cold with Lows around 15. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming north around 5 Mph after midnight.

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Wallace Temperature Statistics

December Temperature

Chester County Airport (9.3 miles)

  • Lowest 1 December, 2025

    28.4 °F

  • Average December

    34.3 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Chester County Airport (9.3 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    63.1 °F
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