Chambers Lake Weather Forecast

    • 69
    • 87

    Chance Thunderstorms

    • 63
    • 83

    Rain Showers Likely

    • 56
    • 78

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 66
    • 80

    Partly Sunny

Today 3 Sep Western Chester

Mostly cloudy this Morning, then becoming partly sunny. A chance of Thunderstorms. Showers Likely, mainly this morning. Locally heavy rainfall possible this morning. Warmer with Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 3 Sep Western Chester

Showers likely. A chance of Thunderstorms, mainly this evening. Lows around 70. West Winds around 5 Mph. Chance of rain 70 percent.

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Chambers Lake Temperature Statistics

September Temperature

Chester County Airport (3.1 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    76.6 °F

  • Highest 1 September, 2026

    87.3 °F

Climate (2021–2026)

Chester County Airport (3.1 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    62.9 °F
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