South Yarmouth Weather Forecast

    • 39
    • 59

    Gradual Clearing

    • 41
    • 45

    Rain Showers

    • 39
    • 53

    Rain Showers Likely

    • 37
    • 46

    Chance Rain Showers

    • 31
    • 47

    Chance Rain Showers

    • 33
    • 46

    Partly Sunny

Today 4 Apr Barnstable

Cloudy with a slight chance of Showers this Morning, then partly sunny this afternoon. Highs in the upper 50s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 4 Apr Barnstable

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 40. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yarmouth Temperature Statistics

April Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 1 April, 2025

    37 °F

  • Average April

    45.4 °F

  • Highest 1 April, 2025

    51.1 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    59.9 °F
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