National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Jul 4:56 am EDT
Extended Forecast for

Hyannis MA

  • Today

    Today: Sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 69. South wind around 9 mph.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 8am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. South wind 10 to 13 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. North wind around 10 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Northeast wind around 6 mph becoming northwest in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. North wind around 7 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. South wind around 5 mph becoming light and variable.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. West wind 5 to 10 mph becoming south in the morning.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 69. South wind around 9 mph.
Sunday
A chance of showers and thunderstorms, mainly after 8am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 81. South wind 10 to 13 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 76. North wind around 10 mph.
Monday Night
Mostly clear, with a low around 63. Northeast wind around 6 mph becoming northwest in the evening.
Tuesday
Sunny, with a high near 75. North wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 64. South wind around 5 mph becoming light and variable.
Wednesday
Sunny, with a high near 78. West wind 5 to 10 mph becoming south in the morning.
Wednesday Night
Partly cloudy, with a low around 68. South wind around 9 mph.
Thursday
Mostly sunny, with a high near 80. Southwest wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 71. Southwest wind 11 to 14 mph.
Friday
Partly sunny, with a high near 82. Southwest wind 10 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 ft)
Last Update:
2:33 am EDT Jul 19, 2025
Forecast Valid:
5am EDT Jul 19, 2025-6pm EDT Jul 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation