Marsh Creek Reservoir Weather Forecast

    • 43
    • 71

    Rain Showers

    • 29
    • 52

    Rain Showers

    • 33
    • 48

    Partly Sunny

    • 37
    • 55

    Mostly Cloudy

    • 42
    • 59

    Rain Likely

    • 27
    • 53

    Slight Chance Rain/Snow

Today 22 Mar Western Chester

Mostly cloudy in the Morning, then becoming partly sunny. Warmer with Highs around 70. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Mar Western Chester

Showers likely with a chance of Thunderstorms in the Evening, then Showers after midnight. Lows in the lower 40s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 90 percent.

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Marsh Creek Reservoir Temperature Statistics

March Temperature

Chester County Airport (9.3 miles)

  • Lowest 18 March, 2026

    19.4 °F

  • Average March

    44.7 °F

  • Highest 10 March, 2026

    79 °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

    63 °F
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