Little Pleasant Bay Weather Forecast

    • 58
    • 64

    Rain Showers Likely

    • 57
    • 61

    Chance Rain Showers

    • 57
    • 62

    Partly Sunny

    • 60
    • 68

    Partly Sunny

    • 56
    • 68

    Mostly Cloudy

    • 54
    • 61

    Slight Chance Rain Showers

Today 28 Sep Barnstable

Showers with a slight chance of Thunderstorms in the Morning, then Showers likely in the afternoon. Patchy fog. Some Thunderstorms may produce heavy rainfall in the morning. Visibility one quarter mile or less at Times in the morning. Highs in the mid 60s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 28 Sep Barnstable

Mostly cloudy. Patchy fog. Showers likely in the evening. Lows in the mid 50s. East Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Little Pleasant Bay Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (4.3 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    64.5 °F

  • Highest 10 September, 2026

    80.1 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (4.3 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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