Wallace Weather Forecast

    • 56
    • 77

    Increasing Clouds

    • 55
    • 76

    Partly Sunny

    • 60
    • 80

    Partly Sunny

    • 69
    • 83

    Partly Sunny

    • 60
    • 83

    Partly Sunny

    • 55
    • 76

    Mostly Sunny

Today 6 Sep Western Chester

Mostly sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 6 Sep Western Chester

Partly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph.

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Wallace Temperature Statistics

September Temperature

Chester County Airport (9.3 miles)

  • Lowest 3 September, 2026

    68.2 °F

  • Average September

    75.1 °F

  • Highest 1 September, 2026

    87.3 °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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