Herring River - Dennis Port Weather Forecast

    • 32
    • 35

    Rain

    • 27
    • 48

    Rain

    • 26
    • 32

    Breezy

    • 26
    • 36

    Slight Chance Snow

    • 24
    • 33

    Chance Snow

    • 22
    • 32

    Slight Chance Snow

Today 28 Dec Barnstable

Mostly sunny. Highs around 40. West Winds 5 to 10 Mph.

Tonight 28 Dec Barnstable

Rain. Not as cool with Lows in the lower 30s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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Herring River - Dennis Port Temperature Statistics

December Temperature

Chatham, Chatham Municipal Airport (6.2 miles)

  • Lowest 15 December, 2025

    18 °F

  • Average December

    34.3 °F

  • Highest 19 December, 2025

    54 °F

Climate (2020–Present)

Chatham, Chatham Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    59.9 °F
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