Pleasant Bay Weather Forecast

    • 62
    • 68

    Decreasing Clouds

    • 63
    • 67

    Mostly Sunny

    • 65
    • 70

    Mostly Sunny

    • 63
    • 70

    Partly Sunny

    • 66
    • 73

    Chance Rain Showers

    • 61
    • 77

    Partly Sunny

Today 5 Sep Barnstable

Mostly sunny. Highs in the upper 60s. North Winds 10 to 15 Mph.

Tonight 5 Sep Barnstable

Partly cloudy. Lows around 60. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Pleasant Bay Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (3.1 miles)

  • Lowest 3 September, 2026

    62.1 °F

  • Average September

    66.5 °F

  • Highest 3 September, 2026

    75 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    59.7 °F
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