South Yarmouth Weather Forecast

    • 39
    • 45

    Decreasing Clouds

    • 40
    • 48

    Rain

    • 27
    • 49

    Chance Rain

    • 31
    • 42

    Partly Sunny

    • 26
    • 43

    Partly Sunny

    • 25
    • 39

    Partly Sunny

Today 4 Mar Barnstable

Mostly sunny. Not as cool with Highs in the lower 40s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 4 Mar Barnstable

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cool with Lows in the upper 30s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Yarmouth Temperature Statistics

March Temperature

Hyannis, Barnstable Municipal-Boardman Airport (4.3 miles)

  • Lowest 2 March, 2025

    19 °F

  • Average March

    30.7 °F

  • Highest 1 March, 2025

    47.6 °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

    53 °F

  • Average High 2020–2025

    59.9 °F
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