Brookside Weather Forecast

    • 29
    • 53

    Becoming Sunny

    • 32
    • 53

    Mostly Sunny

    • 38
    • 57

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 43
    • 66

    Mostly Sunny

    • 51
    • 66

    Mostly Cloudy

    • 62
    • 78

    Mostly Cloudy

Today 7 Apr New Castle

Sunny. Near steady temperature in the lower 50s. Northwest Winds around 20 Mph with Gusts up to 35 Mph.

Tonight 7 Apr New Castle

Clear, Colder with Lows in the upper 20s. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brookside Temperature Statistics

April Temperature

Wilmington, New Castle County Airport (6.2 miles)

  • Lowest 2 April, 2026

    44.7 °F

  • Average April

    61 °F

  • Highest 1 April, 2026

    85.6 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (6.2 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    66.5 °F
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