Barnstable Harbor - Phillis Island Weather Forecast

    • 62
    • 81

    Mostly Sunny

    • 72
    • 86

    Rain Showers

    • 66
    • 87

    Partly Sunny

    • 68
    • 81

    Partly Sunny

    • 70
    • 83

    Rain Showers Likely

    • 68
    • 83

    Chance Rain Showers

Today 17 Jul Barnstable

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Jul Barnstable

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Barnstable Harbor - Phillis Island Temperature Statistics

July Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 13 July, 2026

    57 °F

  • Average July

    73.4 °F

  • Highest 4 July, 2026

    93.9 °F

Climate (2021–2026)

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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