Hyannis Breakwater Weather Forecast

    • 68
    • 72

    Rain Showers

    • 70
    • 73

    Rain Showers Likely

    • 68
    • 74

    Chance Rain Showers

    • 67
    • 77

    Mostly Sunny

    • 67
    • 74

    Mostly Sunny

    • 69
    • 75

    Partly Sunny

    • 70
    • 76

    Slight Chance Rain Showers

Today 30 Jun Barnstable

Mostly sunny. Near steady temperature in the lower 70s. South Winds 5 to 10 Mph.

Tonight 30 Jun Barnstable

Mostly cloudy. Patchy fog. Isolated Showers and Thunderstorms after midnight. Visibility one quarter mile or less at Times after midnight. Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hyannis Breakwater Temperature Statistics

June Temperature

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

  • Lowest 2 June, 2025

    48.7 °F

  • Average June

    67.8 °F

  • Highest 24 June, 2025

    92.6 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (3.1 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    59.9 °F
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