Herring River - Dennis Port Weather Forecast

    • 30
    • 31

    Increasing Clouds

    • 33
    • 34

    Partly Sunny

    • 38
    • 42

    Partly Sunny

    • 38
    • 44

    Chance Rain

    • 34
    • 44

    Chance Rain

    • 31
    • 40

    Partly Sunny

Today 18 Mar Barnstable

Mostly sunny and Colder. Near steady temperature in the lower 30s. Northwest Winds 5 to 10 Mph, becoming north.

Tonight 18 Mar Barnstable

Partly cloudy. Lows in the upper 20s. South Winds around 5 Mph.

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Herring River - Dennis Port Temperature Statistics

March Temperature

Chatham, Chatham Municipal Airport (6.2 miles)

  • Lowest 3 March, 2026

    15.1 °F

  • Average March

    38.7 °F

  • Highest 9 March, 2026

    59 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    59.9 °F
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