South Yarmouth Weather Forecast

    • 66
    • 78

    Becoming Sunny

    • 67
    • 77

    Mostly Sunny

    • 71
    • 75

    Rain Showers

    • 68
    • 85

    Chance Rain Showers

    • 70
    • 81

    Partly Sunny

    • 71
    • 83

    Rain Showers Likely

Today 16 Jul Barnstable

Mostly sunny. Areas of smoke. Highs in the upper 70s. Southwest Winds 10 to 15 Mph. Gusts up to 20 Mph, increasing to 30 Mph this afternoon.

Tonight 16 Jul Barnstable

Mostly cloudy with isolated Showers in the Evening, then mostly clear after midnight. Areas of smoke in the Evening, then patchy smoke after midnight. Lows in the mid 60s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming northwest around 5 Mph after midnight. Chance of rain 20 percent.

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 13 July, 2026

    57 °F

  • Average July

    73.3 °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