Lower Break Weather Forecast

    • 58
    • 63

    Rain Showers Likely

    • 56
    • 67

    Slight Chance Rain Showers

    • 54
    • 64

    Slight Chance Rain Showers

    • 56
    • 67

    Slight Chance Rain Showers

    • 57
    • 68

    Chance Rain Showers

    • 57
    • 70

    Partly Sunny

Today 22 Sep New Castle

Showers. Near steady temperature in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 22 Sep New Castle

Cloudy. Showers Likely, mainly in the evening. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Break Temperature Statistics

September Temperature

Wilmington, New Castle County Airport (14.3 miles)

  • Lowest 15 September, 2026

    52.6 °F

  • Average September

    74.8 °F

  • Highest 1 September, 2026

    93.7 °F

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

    57.4 °F

  • Average High 2021–2026

    66.8 °F
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