South Yarmouth Weather Forecast

    • 30
    • 50

    Mostly Sunny

    • 27
    • 41

    Mostly Sunny

    • 37
    • 47

    Mostly Sunny

    • 42
    • 52

    Partly Sunny

    • 38
    • 52

    Mostly Sunny

    • 41
    • 49

    Partly Sunny

    • 47
    • 55

    Mostly Cloudy

Today 7 Apr Barnstable

Partly sunny with scattered Showers. Near steady temperature in the upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 7 Apr Barnstable

Mostly clear. Lows in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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South Yarmouth Temperature Statistics

April Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 2 April, 2026

    37.9 °F

  • Average April

    46 °F

  • Highest 3 April, 2026

    55.9 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.4 °F
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