Charlestown Weather Forecast

    • 63
    • 89

    Rain Showers

    • 55
    • 77

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 62
    • 81

    Chance Thunderstorms

    • 65
    • 90

    Rain Showers Likely

    • 60
    • 82

    Chance Rain Showers

    • 60
    • 82

    Mostly Sunny

Today 14 Jun Western Chester

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce damaging Winds this afternoon. Locally heavy rainfall possible this afternoon. Hot with Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 14 Jun Western Chester

A chance of Thunderstorms. Showers. Some Thunderstorms may be severe with damaging Winds, large Hail, frequent Lightning, and heavy rainfall. Locally heavy rainfall possible. Lows in the lower 60s. South Winds 5 to 10 Mph, becoming west 10 to 15 Mph after midnight. Chance of rain 90 percent.

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Charlestown Temperature Statistics

June Temperature

Pottstown, Pottstown Limerick Airport (9.3 miles)

  • Lowest 2 June, 2026

    45 °F

  • Average June

    71.2 °F

  • Highest 11 June, 2026

    93 °F

Climate (2021–Present)

Pottstown, Pottstown Limerick Airport (9.3 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.6 °F
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