Hyannis Port Weather Forecast

    • 65
    • 76

    Chance Rain Showers

    • 56
    • 68

    Mostly Cloudy

    • 59
    • 67

    Mostly Cloudy

    • 66
    • 72

    Partly Sunny

    • 58
    • 72

    Partly Sunny

    • 58
    • 67

    Mostly Cloudy

    • 58
    • 69

    Partly Sunny

Today 18 Sep Barnstable

Cloudy. Patchy fog. A chance of Showers and scattered Thunderstorms this evening. Some Thunderstorms may produce heavy rainfall this evening. Lows in the mid 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 50 percent.

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Hyannis Port Temperature Statistics

September Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 15 September, 2018

    55.9 °F
  • Average September

    66.3 °F
  • Highest 11 September, 2018

    78.1 °F

Climate (2010–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

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  • Average Low 2010–Present

    44.4 °F
  • Average 2010–Present

    52.1 °F
  • Average High 2010–Present

    58.8 °F
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