Great Island Weather Forecast

    • 66
    • 75

    Becoming Sunny

    • 65
    • 71

    Rain Showers

    • 62
    • 71

    Partly Sunny

    • 63
    • 68

    Partly Sunny

    • 64
    • 68

    Partly Sunny

    • 67
    • 71

    Chance Rain Showers

Today 13 Jun Barnstable

Sunny. Near steady temperature in the lower 80s. Northwest Winds around 5 Mph.

Tonight 13 Jun Barnstable

Clear. Lows in the upper 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Island Temperature Statistics

June Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 2 June, 2026

    37 °F

  • Average June

    64.1 °F

  • Highest 5 June, 2026

    82 °F

Climate (2021–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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