Delaware River - Port Penn Weather Forecast

    • 39
    • 53

    Decreasing Clouds

    • 43
    • 57

    Mostly Cloudy

    • 59
    • 66

    Chance Rain Showers

    • 48
    • 71

    Rain Showers

    • 38
    • 55

    Slight Chance Rain Showers

    • 44
    • 62

    Mostly Sunny

Today 13 Mar New Castle

Cloudy. Highs in the lower 50s. Northeast Winds 5 to 10 Mph.

Tonight 13 Mar New Castle

Mostly cloudy. Near steady temperature around 40. East Winds 5 to 10 Mph.

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  • Temperature Real-Time

Delaware River - Port Penn Temperature Statistics

March Temperature

Wilmington, New Castle County Airport (10.6 miles)

  • Lowest 2 March, 2025

    19.9 °F

  • Average March

    43.4 °F

  • Highest 1 March, 2025

    67.6 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (10.6 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.2 °F
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