Barnstable Harbor Weather Forecast

    • 30
    • 43

    Increasing Clouds

    • 36
    • 37

    Rain

    • 34
    • 37

    Chance Rain

    • 39
    • 47

    Chance Rain

    • 36
    • 48

    Mostly Cloudy

    • 38
    • 50

    Mostly Sunny

    • 41
    • 49

    Mostly Cloudy

Today 4 Mar Barnstable

Sunny. Highs in the mid 40s. Southwest Winds around 5 Mph.

Tonight 4 Mar Barnstable

Mostly clear this Evening, then becoming mostly cloudy. Areas of fog and dense freezing fog after midnight. Visibility one quarter mile or less at Times after midnight. Lows in the upper 20s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnstable Harbor Temperature Statistics

March Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 2 March, 2026

    12.9 °F

  • Average March

    27.2 °F

  • Highest 1 March, 2026

    39 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 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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