Wallingford Weather Forecast

    • 57
    • 71

    Rain Showers Likely

    • 54
    • 64

    Rain Showers

    • 54
    • 65

    Slight Chance Rain Showers

    • 52
    • 65

    Mostly Cloudy

    • 54
    • 66

    Chance Rain Showers

    • 55
    • 67

    Chance Rain Showers

    • 55
    • 70

    Mostly Cloudy

Today 21 Sep Delaware

Mostly sunny. Highs in the lower 70s.

Tonight 21 Sep Delaware

Mostly cloudy. A chance of Showers this Evening, then Showers likely after midnight. Lows in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wallingford Temperature Statistics

September Temperature

Philadelphia, Philadelphia International Airport (6.8 miles)

  • Lowest 15 September, 2026

    58.6 °F

  • Average September

    76.7 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Philadelphia, Philadelphia International Airport (6.8 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    67.2 °F
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