Herring River - Dennis Port Weather Forecast

    • 50
    • 57

    Increasing Clouds

    • 51
    • 57

    Rain Showers Likely

    • 55
    • 58

    Rain Showers

    • 56
    • 62

    Chance Rain Showers

    • 57
    • 67

    Mostly Cloudy

    • 55
    • 69

    Partly Sunny

Today 22 May Barnstable

Partly sunny. Highs around 60. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 May Barnstable

Mostly cloudy. Lows around 50. East Winds around 5 Mph.

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Herring River - Dennis Port Temperature Statistics

May Temperature

Chatham, Chatham Municipal Airport (6.2 miles)

  • Lowest 8 May, 2026

    42.1 °F

  • Average May

    54.7 °F

  • Highest 20 May, 2026

    72 °F

Climate (2021–Present)

Chatham, Chatham Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    59.8 °F
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