Dennis Weather Forecast

    • 11
    • 28

    Snow Showers

    • 9
    • 13

    Snow Showers

    • -4
    • 14

    Snow Showers

    • 8
    • 18

    Mostly Sunny

    • 14
    • 30

    Partly Sunny

    • 13
    • 33

    Mostly Sunny

    • 14
    • 31

    Partly Sunny

Today 23 Jan Delaware

Mostly cloudy and much Colder. Near steady temperature in the mid 20s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 23 Jan Delaware

Snow Showers. Snow may be heavy at Times after midnight. Snow accumulation of 3 to 5 Inches. Colder with Lows around 9 above. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow near 100 percent. Wind chill Values as low as 6 below after midnight.

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Dennis Temperature Statistics

January Temperature

Grove, Grove Municipal Airport (7.5 miles)

  • Lowest 18 January, 2026

    10.4 °F

  • Average January

    41.6 °F

  • Highest 7 January, 2026

    73.4 °F

Climate (2021–Present)

Grove, Grove Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    59.1 °F

  • Average High 2021–2026

    70.6 °F
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