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

68°F

20°C

Humidity 65%
Wind Speed Calm
Barometer 29.88 in (1011.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Apr 8:56 am EDT
Extended Forecast for

Hyannis MA

  • Today

    Today: Partly sunny, with a high near 62. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 9pm. Patchy fog before 5am. Otherwise, cloudy, with a low around 47. South wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between 7am and 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 1am. Mostly cloudy, with a low around 44. North wind around 5 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 53. Northeast wind around 7 mph.

    High: 53 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 9am. Mostly cloudy, with a high near 56. South wind 7 to 13 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 62. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
A chance of showers and thunderstorms, mainly after 9pm. Patchy fog before 5am. Otherwise, cloudy, with a low around 47. South wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, mainly between 7am and 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59. Light west wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 1am. Mostly cloudy, with a low around 44. North wind around 5 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 53. Northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 44. Light and variable wind becoming southeast around 5 mph after midnight.
Sunday
A chance of showers after 9am. Mostly cloudy, with a high near 56. South wind 7 to 13 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 49. West wind around 14 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 34. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 49. West wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 ft)
Last Update:
2:29 am EDT Apr 15, 2026
Forecast Valid:
9am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation