South Yarmouth Weather Forecast

    • 40
    • 55

    Slight Chance Rain Showers

    • 40
    • 56

    Becoming Sunny

    • 42
    • 51

    Chance Rain Showers

    • 44
    • 54

    Rain Showers Likely

    • 45
    • 55

    Rain Showers Likely

    • 43
    • 55

    Slight Chance Rain Showers

    • 42
    • 54

    Slight Chance Rain Showers

Today 26 Apr Barnstable

Cloudy with a 20 percent chance of Showers. Near steady temperature around 50. Northeast Winds 5 to 10 Mph.

Tonight 26 Apr Barnstable

Mostly cloudy. A slight chance of Showers. Near steady temperature in the lower 40s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yarmouth Temperature Statistics

April Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 9 April, 2026

    24.1 °F

  • Average April

    46.4 °F

  • Highest 15 April, 2026

    72 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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

  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    59.4 °F
Get WillyWeather+ to remove ads