Spring Valley Weather Forecast

    • 42
    • 68

    Becoming Sunny

    • 40
    • 60

    Sunny

    • 42
    • 62

    Mostly Sunny

    • 49
    • 66

    Partly Sunny

    • 53
    • 71

    Rain Showers Likely

    • 48
    • 64

    Chance Rain Showers

Today 15 Oct New Castle

Mostly sunny. Highs in the upper 60s. North Winds 5 to 10 Mph.

Tonight 15 Oct New Castle

Clear, cooler with Lows in the lower 40s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Spring Valley Temperature Statistics

October Temperature

Wilmington, New Castle County Airport (6.8 miles)

  • Lowest 10 October, 2025

    41 °F

  • Average October

    62.4 °F

  • Highest 7 October, 2025

    80.6 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (6.8 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    66.6 °F
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