Delaware River - Bay View Beach Weather Forecast

    • 39
    • 66

    Mostly Sunny

    • 51
    • 69

    Mostly Sunny

    • 45
    • 67

    Mostly Sunny

    • 48
    • 66

    Mostly Cloudy

    • 51
    • 71

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 55
    • 72

    Mostly Cloudy

Today 25 Oct New Castle

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the lower 70s.

Tonight 25 Oct New Castle

Clear. Areas of frost after midnight. Lows in the upper 30s. Light and variable Winds, becoming west around 5 Mph after midnight.

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Delaware River - Bay View Beach Temperature Statistics

October Temperature

Wilmington, New Castle County Airport (12.4 miles)

  • Lowest 19 October, 2026

    35.7 °F

  • Average October

    61.4 °F

  • Highest 2 October, 2026

    86.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (12.4 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.7 °F
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