Pleasant Bay Weather Forecast

    • 65
    • 69

    Increasing Clouds

    • 65
    • 71

    Rain Showers

    • 60
    • 69

    Chance Rain Showers

    • 58
    • 65

    Mostly Sunny

    • 62
    • 70

    Mostly Sunny

    • 62
    • 72

    Slight Chance Rain Showers

Today 12 Sep Barnstable

Sunny. Highs in the lower 70s. East Winds around 5 Mph, becoming south with Gusts up to 20 Mph this afternoon.

Tonight 12 Sep Barnstable

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pleasant Bay Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (3.1 miles)

  • Lowest 6 September, 2026

    55 °F

  • Average September

    67 °F

  • Highest 10 September, 2026

    80.1 °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

    53.6 °F

  • Average High 2021–2026

    59.7 °F
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