Pomeroy Weather Forecast

    • 58
    • 79

    Partly Sunny

    • 59
    • 74

    Chance Rain Showers

    • 60
    • 70

    Rain Showers Likely

    • 60
    • 78

    Slight Chance Rain Showers

    • 58
    • 82

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

Today 15 Sep Western Chester

Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 15 Sep Western Chester

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. East Winds around 5 Mph.

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Pomeroy Temperature Statistics

September Temperature

Chester County Airport (1.2 miles)

  • Lowest 9 September, 2025

    48.2 °F

  • Average September

    66.1 °F

  • Highest 6 September, 2025

    84.2 °F

Climate (2020–Present)

Chester County Airport (1.2 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.1 °F
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