Wallace Weather Forecast

    • 58
    • 63

    Rain Showers

    • 57
    • 66

    Chance Rain Showers

    • 56
    • 72

    Partly Sunny

    • 60
    • 75

    Mostly Cloudy

    • 63
    • 79

    Mostly Cloudy

    • 56
    • 78

    Mostly Cloudy

    • 53
    • 69

    Mostly Cloudy

Today 27 Sep Western Chester

Showers. Highs in the lower 60s. North Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.

Tonight 27 Sep Western Chester

Showers likely. Near steady temperature in the upper 50s. North Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of rain 70 percent.

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Wallace Temperature Statistics

September Temperature

Chester County Airport (9.3 miles)

  • Lowest 24 September, 2026

    48 °F

  • Average September

    68.4 °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

    62.9 °F
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