Forest Beach Weather Forecast

    • 58
    • 63

    Mostly Cloudy

    • 58
    • 63

    Mostly Cloudy

    • 62
    • 67

    Mostly Cloudy

    • 59
    • 68

    Chance Rain Showers

    • 57
    • 63

    Partly Sunny

    • 56
    • 61

    Chance Rain Showers

    • 51
    • 61

    Partly Sunny

Today 29 Sep Barnstable

Sunny. Highs in the upper 50s.

Tonight 29 Sep Barnstable

Mostly cloudy. Lows in the upper 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forest Beach Temperature Statistics

September Temperature

Chatham, Chatham Municipal Airport (1.9 miles)

  • Lowest 15 September, 2026

    51.1 °F

  • Average September

    64.2 °F

  • Highest 10 September, 2026

    80.1 °F

Climate (2021–2026)

Chatham, Chatham Municipal Airport (1.9 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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