Chester Weather Forecast

    • 51
    • 80

    Rain Showers Likely

    • 46
    • 66

    Chance Rain Showers

    • 49
    • 69

    Mostly Sunny

    • 53
    • 70

    Rain Showers

    • 51
    • 69

    Chance Rain Showers

    • 53
    • 71

    Partly Sunny

Today 10 May Delaware

Mostly sunny. Patchy fog this morning. A chance of Showers with a slight chance of Thunderstorms this afternoon. Visibility one quarter mile or less at Times this morning. Much warmer with Highs in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 10 May Delaware

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows around 50. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 50 percent.

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Chester Temperature Statistics

May Temperature

Philadelphia, Philadelphia International Airport (6.8 miles)

  • Lowest 1 May, 2026

    47.6 °F

  • Average May

    62 °F

  • Highest 5 May, 2026

    86.6 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (6.8 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    67 °F
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