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.

Fog/Mist

47°F

8°C

Humidity 97%
Wind Speed Calm
Barometer 29.85 in (1010.8 mb)
Dewpoint 46°F (8°C)
Visibility 1.75 mi
Last update 29 Apr 10:56 pm EDT
Extended Forecast for

Hyannis MA

  • Tonight

    Tonight: A chance of showers and thunderstorms after 2am. Patchy fog. Otherwise, cloudy, with a low around 46. Southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then showers likely. Patchy fog. High near 55. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind 3 to 6 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 58. Southwest wind 8 to 10 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West wind 5 to 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 55. Light west wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 55 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 43. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before noon. Partly sunny, with a high near 56. Northwest wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind around 8 mph.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms after 2am. Patchy fog. Otherwise, cloudy, with a low around 46. Southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 2pm, then showers likely. Patchy fog. High near 55. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 58. Southwest wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 43. West wind 5 to 7 mph.
Saturday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 55. Light west wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 43. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A chance of showers before noon. Partly sunny, with a high near 56. Northwest wind 7 to 9 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 43. West wind around 8 mph.
Monday
Sunny, with a high near 57. Southwest wind 6 to 15 mph.
Monday Night
Partly cloudy, with a low around 48. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 59. South wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 47. West wind 7 to 10 mph.
Wednesday
Mostly sunny, with a high near 60. Southwest wind 6 to 13 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 ft)
Last Update:
6:12 pm EDT Apr 29, 2026
Forecast Valid:
11pm EDT Apr 29, 2026-6pm EDT May 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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