Lower Break Weather Forecast

    • 73
    • 91

    Severe Tstms

    • 73
    • 86

    Chance Thunderstorms

    • 74
    • 92

    Chance Thunderstorms

    • 68
    • 86

    Slight Chance Thunderstorms

    • 65
    • 81

    Mostly Sunny

    • 64
    • 80

    Mostly Sunny

Today 1 Sep New Castle

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may be severe with damaging Winds and large hail. Locally heavy rainfall possible this afternoon. Hot with Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 1 Sep New Castle

Mostly cloudy. A chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail in the evening. Locally heavy rainfall possible in the evening. 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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Lower Break Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (14.3 miles)

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Climate (2021–2026)

Wilmington, New Castle County Airport (14.3 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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