Penns Grove Weather Forecast

    • 64
    • 85

    Sunny

    • 67
    • 87

    Mostly Sunny

    • 72
    • 89

    Partly Sunny

    • 74
    • 88

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

    • 72
    • 88

    Chance Rain Showers

Today 4 Jul Salem

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

Tonight 4 Jul Salem

Clear. Lows in the lower 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Penns Grove Temperature Statistics

July Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 1 July, 2025

    73 °F

  • Average July

    79.4 °F

  • Highest 1 July, 2025

    91.9 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (8.1 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.5 °F
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