Barnstable Harbor - Phillis Island Weather Forecast

    • 44
    • 55

    Chance Rain Showers

    • 43
    • 51

    Mostly Cloudy

    • 37
    • 57

    Rain Showers Likely

    • 34
    • 50

    Partly Sunny

    • 39
    • 48

    Partly Sunny

    • 41
    • 56

    Slight Chance Rain Showers

Today 17 Apr Barnstable

Mostly cloudy with a 40 percent chance of rain. Patchy fog. Cooler with Highs in the upper 50s. North Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 17 Apr Barnstable

Mostly cloudy. Patchy fog. A slight chance of rain in the evening. Near steady temperature in the mid 40s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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Barnstable Harbor - Phillis Island Temperature Statistics

April Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 9 April, 2026

    24.1 °F

  • Average April

    45.5 °F

  • Highest 15 April, 2026

    72 °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

    52.4 °F

  • Average High 2021–2026

    59.4 °F
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