South Yarmouth Weather Forecast

    • 35
    • 38

    Rain Likely

    • 30
    • 39

    Chance Rain

    • 30
    • 40

    Partly Sunny

    • 37
    • 47

    Chance Rain

    • 36
    • 46

    Rain

    • 28
    • 46

    Chance Rain

    • 29
    • 38

    Partly Sunny

Today 6 Jan Barnstable

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

Tonight 6 Jan Barnstable

Cloudy. A chance of rain this Evening, then rain likely after midnight. Lows in the mid 30s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yarmouth Temperature Statistics

January Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 2 January, 2026

    14 °F

  • Average January

    24 °F

  • Highest 1 January, 2026

    33.1 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.6 °F
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