South Yarmouth Weather Forecast

    • 61
    • 78

    Becoming Sunny

    • 61
    • 80

    Mostly Sunny

    • 65
    • 79

    Partly Sunny

    • 65
    • 79

    Partly Sunny

    • 67
    • 79

    Partly Sunny

    • 69
    • 81

    Chance Rain Showers

Today 23 Jul Barnstable

Mostly sunny. Highs in the mid 70s. North Winds 5 to 10 Mph.

Tonight 23 Jul Barnstable

Mostly clear. Lows around 60. South Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yarmouth Temperature Statistics

July Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 20 July, 2026

    53.1 °F

  • Average July

    73.2 °F

  • Highest 4 July, 2026

    93.9 °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

    44.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
Get WillyWeather+ to remove ads