Delaware River - Port Penn Weather Forecast

    • 67
    • 88

    Mostly Sunny

    • 65
    • 89

    Rain Showers Likely

    • 60
    • 79

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 65
    • 80

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 64
    • 84

    Chance Rain Showers

Today 13 Jun New Castle

Sunny, hot with Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 13 Jun New Castle

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 60s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Delaware River - Port Penn Temperature Statistics

June Temperature

Wilmington, New Castle County Airport (10.6 miles)

  • Lowest 2 June, 2026

    47.6 °F

  • Average June

    72.4 °F

  • Highest 11 June, 2026

    93.9 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (10.6 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.6 °F
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