Delaware River - Pea Patch Island Weather Forecast

    • 50
    • 72

    Becoming Sunny

    • 49
    • 61

    Partly Sunny

    • 50
    • 63

    Mostly Cloudy

    • 54
    • 65

    Mostly Cloudy

    • 59
    • 69

    Mostly Cloudy

    • 61
    • 70

    Chance Rain Showers

Today 30 Oct New Castle

Patchy fog this morning. Sunny. Highs in the lower 70s. West Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph this afternoon.

Tonight 30 Oct New Castle

Mostly clear. Cooler with Lows in the lower 40s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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Delaware River - Pea Patch Island Temperature Statistics

October Temperature

Wilmington, New Castle County Airport (5.6 miles)

  • Lowest 25 October, 2026

    34.6 °F

  • Average October

    60.1 °F

  • Highest 2 October, 2026

    86.6 °F

Climate (2021–2026)

Wilmington, New Castle County Airport (5.6 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.7 °F
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