South Yarmouth Weather Forecast

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    Rain

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    • 64

    Chance Rain Showers

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    • 68

    Slight Chance Rain Showers

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    • 71

    Partly Sunny

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    • 72

    Mostly Cloudy

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    Chance Rain Showers

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    Rain Showers Likely

Today 21 Sep Barnstable

Tropical storm Conditions possible. Rain. Patchy fog. Near steady temperature in the mid 60s. North Winds 20 to 30 Mph with Gusts up to 55 Mph. Chance of rain near 100 percent.

Tonight 21 Sep Barnstable

Tropical storm Conditions possible. Rain in the Evening, then a chance of Showers after midnight. Near steady temperature in the lower 60s. Northeast Winds 20 to 30 Mph with Gusts up to 55 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yarmouth Temperature Statistics

September Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 2 September, 2017

    50 °F
  • Average September

    66.2 °F
  • Highest 13 September, 2017

    79 °F

Climate (2010–Present)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2010–Present

    43.8 °F
  • Average 2010–Present

    51.9 °F
  • Average High 2010–Present

    58.6 °F
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