Brookside Weather Forecast

    • 60
    • 66

    Rain Showers

    • 56
    • 72

    Rain Showers

    • 63
    • 76

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 54
    • 69

    Mostly Cloudy

    • 53
    • 67

    Chance Rain Showers

Today 11 Oct New Castle

Rain this Morning, then rain with a slight chance of Thunderstorms this afternoon. Highs in the upper 60s. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 11 Oct New Castle

Rain with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Humid. Near steady temperature in the mid 60s. Northeast Winds 5 to 10 Mph. Chance of rain 90 percent.

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Brookside Temperature Statistics

October Temperature

Wilmington, New Castle County Airport (6.2 miles)

  • Lowest 7 October, 2026

    42.1 °F

  • Average October

    64 °F

  • Highest 2 October, 2026

    86.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (6.2 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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