Wallace Weather Forecast

    • 59
    • 79

    Becoming Sunny

    • 58
    • 76

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 64
    • 83

    Chance Rain Showers

    • 65
    • 83

    Rain Showers Likely

    • 65
    • 83

    Chance Rain Showers

Today 23 Aug Western Chester

Mostly cloudy with a slight chance of Showers and Thunderstorms this Morning, then mostly sunny this afternoon. Highs around 80. West Winds 5 to 10 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 20 percent.

Tonight 23 Aug Western Chester

Clear. Lows in the upper 50s. West Winds 5 to 10 Mph.

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Wallace Temperature Statistics

August Temperature

Chester County Airport (9.3 miles)

  • Lowest 21 August, 2026

    59.7 °F

  • Average August

    74.6 °F

  • Highest 9 August, 2026

    87.6 °F

Climate (2021–2026)

Chester County Airport (9.3 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
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