Delaware River - Delaware Memorial Bridge Weather Forecast

    • 74
    • 91

    Chance Thunderstorms

    • 75
    • 85

    Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 68
    • 87

    Slight Chance Thunderstorms

    • 63
    • 82

    Partly Sunny

    • 61
    • 79

    Mostly Sunny

Today 1 Sep New Castle

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 1 Sep New Castle

Mostly cloudy with a chance of Showers and Thunderstorms. Patchy fog after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph, becoming north after midnight. Chance of rain 50 percent.

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Delaware River - Delaware Memorial Bridge Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (4.3 miles)

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Climate (2021–2026)

Wilmington, New Castle County Airport (4.3 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.7 °F
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