Dennis Port Weather Forecast

    • 7
    • 16

    Partly Sunny

    • 16
    • 26

    Snow Likely

    • 21
    • 30

    Blizzard

    • 21
    • 32

    Partly Sunny

    • 21
    • 32

    Partly Sunny

    • 22
    • 30

    Slight Chance Snow

Today 30 Jan Barnstable

Mostly sunny. Occasional heavy freezing spray this morning. Cold with Highs around 16. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 30 Jan Barnstable

Partly cloudy. Cold with Lows 4 to 10 above. West Winds 15 to 20 Mph.

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  • Temperature Real-Time

Dennis Port Temperature Statistics

January Temperature

Chatham, Chatham Municipal Airport (6.8 miles)

  • Lowest 24 January, 2026

    10.9 °F

  • Average January

    32.4 °F

  • Highest 11 January, 2026

    48.9 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (6.8 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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