Wallace Weather Forecast

    • 22
    • 40

    Mostly Cloudy

    • 11
    • 30

    Partly Sunny

    • 27
    • 33

    Mostly Cloudy

    • 32
    • 43

    Chance Rain

    • 28
    • 41

    Chance Rain/Snow

    • 20
    • 38

    Slight Chance Snow

Today 7 Dec Western Chester

Partly sunny in the Morning, then becoming mostly cloudy. Highs around 40. Northwest Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 7 Dec Western Chester

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows in the lower 20s. Southwest Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph after midnight.

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Wallace Temperature Statistics

December Temperature

Chester County Airport (9.3 miles)

  • Lowest 4 December, 2025

    24.8 °F

  • Average December

    32.8 °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 °F
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