Dennis Port Weather Forecast

    • 55
    • 64

    Mostly Cloudy

    • 58
    • 66

    Mostly Cloudy

    • 61
    • 69

    Mostly Cloudy

    • 63
    • 73

    Mostly Cloudy

    • 64
    • 78

    Slight Chance Rain Showers

    • 62
    • 77

    Mostly Sunny

Today 15 Jun Barnstable

Mostly cloudy in the Morning, then becoming mostly sunny. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 15 Jun Barnstable

Mostly cloudy. Near steady temperature in the mid 50s. Northeast Winds 5 to 10 Mph.

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Dennis Port Temperature Statistics

June Temperature

Chatham, Chatham Municipal Airport (6.8 miles)

  • Lowest 1 June, 2025

    51.7 °F

  • Average June

    63.6 °F

  • Highest 5 June, 2025

    77.6 °F

Climate (2020–Present)

Chatham, Chatham Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    60.2 °F
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