West Yarmouth Weather Forecast

    • 58
    • 67

    Rain Showers Likely

    • 56
    • 65

    Chance Rain Showers

    • 55
    • 63

    Mostly Cloudy

    • 56
    • 64

    Mostly Cloudy

    • 60
    • 68

    Partly Sunny

    • 55
    • 68

    Partly Sunny

Today 27 Sep Barnstable

Showers likely with isolated Thunderstorms. Near steady temperature in the mid 60s. East Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 27 Sep Barnstable

Showers likely with isolated Thunderstorms in the Evening, then Showers likely after midnight. Lows in the upper 50s. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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West Yarmouth Temperature Statistics

September Temperature

Hyannis, Barnstable Municipal-Boardman Airport (1.9 miles)

  • Lowest 16 September, 2026

    46.9 °F

  • Average September

    64.7 °F

  • Highest 10 September, 2026

    82 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (1.9 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    59.2 °F
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