Barnstable Harbor - Tupper Island Weather Forecast

    • 42
    • 48

    Rain Showers

    • 41
    • 55

    Rain Showers

    • 40
    • 51

    Mostly Sunny

    • 40
    • 50

    Mostly Cloudy

    • 42
    • 51

    Mostly Cloudy

    • 42
    • 52

    Slight Chance Rain Showers

Today 22 Apr Barnstable

Cloudy. Isolated Showers this Morning, then scattered Showers this afternoon. Highs in the upper 40s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 22 Apr Barnstable

Cloudy. Scattered Showers, mainly in the evening. Near steady temperature in the lower 40s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 40 percent.

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Barnstable Harbor - Tupper Island Temperature Statistics

April Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.7 miles)

  • Lowest 9 April, 2026

    24.1 °F

  • Average April

    46.4 °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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