Marsh Creek Reservoir Weather Forecast

    • 48
    • 70

    Rain Showers Likely

    • 43
    • 64

    Partly Sunny

    • 48
    • 64

    Partly Sunny

    • 49
    • 66

    Chance Rain Showers

    • 52
    • 77

    Rain Showers Likely

    • 43
    • 66

    Slight Chance Rain Showers

    • 46
    • 65

    Partly Sunny

Today 6 May Western Chester

Showers. Not as warm with Highs around 70. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 6 May Western Chester

Mostly cloudy. Showers likely with a slight chance of Thunderstorms this Evening, then a chance of Showers after midnight. Much cooler with Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marsh Creek Reservoir Temperature Statistics

May Temperature

Chester County Airport (9.3 miles)

  • Lowest 1 May, 2026

    36.7 °F

  • Average May

    53.3 °F

  • Highest 4 May, 2026

    70 °F

Climate (2021–Present)

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

    62.9 °F
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