Barnstable Harbor - Great Thatch Island Weather Forecast

    • 33
    • 38

    Rain Showers Likely

    • 39
    • 47

    Chance Rain

    • 35
    • 49

    Chance Rain

    • 38
    • 49

    Partly Sunny

    • 39
    • 50

    Slight Chance Rain

    • 34
    • 48

    Chance Rain

Today 6 Mar Barnstable

Cloudy with a chance of drizzle with a slight chance of rain. Patchy fog. Near steady temperature in the mid 30s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 6 Mar Barnstable

Cloudy. Patchy fog. A chance of drizzle and freezing drizzle after midnight. Near steady temperature in the mid 30s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnstable Harbor - Great Thatch Island Temperature Statistics

March Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 2 March, 2026

    12.9 °F

  • Average March

    31.1 °F

  • Highest 4 March, 2026

    43 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.7 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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