Penns Grove Weather Forecast

    • 11
    • 22

    Mostly Cloudy

    • 14
    • 24

    Decreasing Clouds

    • 13
    • 30

    Mostly Sunny

    • 23
    • 34

    Slight Chance Snow

    • 14
    • 31

    Slight Chance Snow

    • 13
    • 28

    Partly Sunny

    • 15
    • 31

    Chance Snow

Today 31 Jan Salem

Mostly sunny this Morning, then becoming mostly cloudy. Cold with Highs around 20. North Winds 5 to 10 Mph. Wind chill Values as low as 9 below this morning.

Tonight 31 Jan Salem

Mostly cloudy. Cold with Lows around 11. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Wind chill Values as low as 5 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Penns Grove Temperature Statistics

January Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 29 January, 2026

    8.1 °F

  • Average January

    31.6 °F

  • Highest 7 January, 2026

    61.6 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (8.1 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.2 °F

  • Average High 2021–2026

    66.5 °F
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