Herring River - Dennis Port Weather Forecast

    • 57
    • 64

    Increasing Clouds

    • 59
    • 66

    Rain Showers

    • 56
    • 65

    Chance Rain Showers

    • 56
    • 64

    Breezy

    • 56
    • 63

    Chance Rain Showers

    • 56
    • 63

    Chance Rain Showers

Today 19 Sep Barnstable

Mostly sunny. Cooler with Highs in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 19 Sep Barnstable

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. East Winds around 5 Mph.

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Herring River - Dennis Port Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (6.2 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    66 °F

  • Highest 10 September, 2026

    80.1 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    59.7 °F
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