South Yarmouth Weather Forecast

    • 53
    • 62

    Mostly Sunny

    • 44
    • 66

    Mostly Sunny

    • 38
    • 52

    Mostly Sunny

    • 43
    • 56

    Partly Sunny

    • 48
    • 61

    Partly Sunny

    • 46
    • 59

    Mostly Cloudy

    • 48
    • 59

    Mostly Cloudy

Today 29 Oct Barnstable

Partly sunny with a 30 percent chance of Showers. Highs in the lower 60s.

Tonight 29 Oct Barnstable

Mostly clear. Not as cool with Lows in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yarmouth Temperature Statistics

October Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 25 October, 2026

    30.9 °F

  • Average October

    56 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads