Delaware River - Port Penn Weather Forecast

    • 40
    • 51

    Rain

    • 23
    • 43

    Partly Sunny

    • 37
    • 43

    Mostly Cloudy

    • 35
    • 56

    Mostly Cloudy

    • 31
    • 46

    Mostly Cloudy

    • 38
    • 45

    Chance Rain

Today 31 Jan New Castle

Periods of rain. Highs in the lower 50s. Southwest Winds 10 to 15 Mph. Chance of rain near 100 percent.

Tonight 31 Jan New Castle

Rain likely. Near steady temperature in the upper 30s. Temperature rising to around 40 through Sunrise. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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Delaware River - Port Penn Temperature Statistics

January Temperature

Wilmington, New Castle County Airport (10.6 miles)

  • Lowest 23 January, 2025

    4.7 °F

  • Average January

    29.5 °F

  • Highest 1 January, 2025

    51.7 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (10.6 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.3 °F
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