South Yarmouth Weather Forecast

    • 35
    • 50

    Chance Snow Showers

    • 30
    • 47

    Chance Rain Showers

    • 33
    • 41

    Mostly Sunny

    • 39
    • 46

    Partly Sunny

    • 43
    • 53

    Partly Sunny

    • 41
    • 55

    Mostly Sunny

Today 6 Apr Barnstable

Sunny. Highs in the upper 40s. West Winds 10 to 15 Mph.

Tonight 6 Apr Barnstable

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 30s. West Winds 5 to 10 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

    45.5 °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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