Spring Valley Weather Forecast

    • 48
    • 71

    Rain Likely

    • 42
    • 53

    Rain

    • 42
    • 53

    Chance Rain Showers

    • 44
    • 62

    Partly Sunny

    • 51
    • 62

    Rain Showers Likely

    • 49
    • 67

    Chance Rain Showers

Today 24 Apr New Castle

Partly sunny. A slight chance of Showers this afternoon. Highs in the lower 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 24 Apr New Castle

Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s. Southeast Winds 10 to 15 Mph, becoming east 5 to 10 Mph after midnight.

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Spring Valley Temperature Statistics

April Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 8 April, 2026

    30.7 °F

  • Average April

    60.1 °F

  • Highest 15 April, 2026

    90.6 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (6.8 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.6 °F
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