Bass River - South Yarmouth Weather Forecast

    • 54
    • 63

    Rain Showers

    • 47
    • 67

    Mostly Sunny

    • 44
    • 59

    Sunny

    • 55
    • 63

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 52
    • 65

    Mostly Sunny

    • 50
    • 62

    Mostly Sunny

Today 4 Oct Barnstable

Mostly sunny. Highs around 60.

Tonight 4 Oct Barnstable

Cloudy. Showers Likely, mainly this evening. Patchy fog. Near steady temperature in the upper 50s. East Winds around 5 Mph, becoming north after midnight. Chance of rain 70 percent.

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Bass River - South Yarmouth Temperature Statistics

October Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 1 October, 2026

    60.1 °F

  • Average October

    67.6 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 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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