Marsh Creek Reservoir Weather Forecast

    • 57
    • 73

    Rain Showers

    • 60
    • 83

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 64
    • 82

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 64
    • 86

    Slight Chance Thunderstorms

Today 23 Jun Western Chester

A slight chance of Thunderstorms in the morning. Mostly cloudy with a chance of Showers. Not as warm. Humid with Highs in the mid 70s. Northwest Winds around 5 Mph, becoming north 10 to 15 Mph in the afternoon. Chance of rain 50 percent.

Tonight 23 Jun Western Chester

Showers likely with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. South Winds around 5 Mph. Chance of rain 70 percent.

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Marsh Creek Reservoir Temperature Statistics

June Temperature

Chester County Airport (9.3 miles)

  • Lowest 2 June, 2026

    44.4 °F

  • Average June

    71.4 °F

  • Highest 12 June, 2026

    91.6 °F

Climate (2021–2026)

Chester County Airport (9.3 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54.4 °F

  • Average High 2021–2026

    63 °F
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