Wallace Weather Forecast

    • 22
    • 46

    Increasing Clouds

    • 42
    • 49

    Mostly Cloudy

    • 24
    • 53

    Chance Rain

    • 32
    • 39

    Mostly Cloudy

    • 25
    • 46

    Partly Sunny

    • 23
    • 37

    Mostly Cloudy

Today 17 Dec Western Chester

Partly sunny. Not as cool with Highs in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 17 Dec Western Chester

Partly cloudy. Cold with Lows in the lower 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight.

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Wallace Temperature Statistics

December Temperature

Chester County Airport (9.3 miles)

  • Lowest 9 December, 2025

    12.2 °F

  • Average December

    29.1 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Chester County Airport (9.3 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    63 °F
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