Delaware Canal - Summit Bridge Weather Forecast

    • 60
    • 64

    Rain Showers Likely

    • 58
    • 68

    Slight Chance Rain Showers

    • 59
    • 74

    Partly Sunny

    • 62
    • 77

    Partly Sunny

    • 65
    • 81

    Partly Sunny

    • 58
    • 80

    Slight Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

Today 27 Sep New Castle

Partly sunny with a 40 percent chance of Showers. Highs in the upper 60s.

Tonight 27 Sep New Castle

Cloudy. Showers Likely, mainly this evening. Near steady temperature in the lower 60s. North Winds 10 to 15 Mph. Chance of rain 70 percent.

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Delaware Canal - Summit Bridge Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (11.2 miles)

  • Lowest 24 September, 2026

    49.6 °F

  • Average September

    72.4 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (11.2 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    66.7 °F
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