South Yarmouth Weather Forecast

    • 27
    • 37

    Mostly Cloudy

    • 28
    • 38

    Rain

    • 26
    • 34

    Chance Flurries

    • 27
    • 36

    Chance Snow

    • 23
    • 34

    Chance Snow

    • 19
    • 33

    Partly Sunny

    • 29
    • 40

    Mostly Cloudy

Today 19 Feb Barnstable

Mostly sunny. Near steady temperature in the mid 30s. Northeast Winds around 5 Mph.

Tonight 19 Feb Barnstable

Mostly cloudy this Evening, then becoming partly cloudy. Near steady temperature in the lower 30s. East Winds around 5 Mph.

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South Yarmouth Temperature Statistics

February Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 8 February, 2026

    8.1 °F

  • Average February

    26.4 °F

  • Highest 11 February, 2026

    42.1 °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

    52.5 °F

  • Average High 2021–2026

    59.5 °F
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