Bass River - South Yarmouth Weather Forecast

    • 69
    • 89

    Chance Rain Showers

    • 61
    • 79

    Slight Chance Rain Showers

    • 66
    • 80

    Rain Showers

    • 61
    • 79

    Chance Rain Showers

    • 67
    • 76

    Partly Sunny

    • 70
    • 86

    Partly Sunny

Today 4 Jul Barnstable

Partly sunny. A chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 80s. West Winds 5 to 10 Mph. Gusts up to 20 Mph. Chance of rain 30 percent.

Tonight 4 Jul Barnstable

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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Bass River - South Yarmouth Temperature Statistics

July Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 1 July, 2026

    70 °F

  • Average July

    77 °F

  • Highest 2 July, 2026

    88 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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