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.

Mostly Cloudy

79°F

26°C

Humidity 42%
Wind Speed W 12 G 21 mph
Barometer 29.61 in (1002.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 1:56 pm EDT
Extended Forecast for

Barnstable MA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, then gradually becoming clear, with a low around 64. West wind 5 to 9 mph becoming light. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Southwest wind 5 to 9 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 68. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 1pm. Partly sunny, with a high near 84. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. Light west wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81. Light and variable wind becoming east around 6 mph in the morning.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, then gradually becoming clear, with a low around 64. West wind 5 to 9 mph becoming light. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 84. Southwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 66. Southwest wind around 6 mph becoming calm in the evening.
Monday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 68. South wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Tuesday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 84. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 67. Light west wind.
Wednesday
Sunny, with a high near 81. Light and variable wind becoming east around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 67. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 68. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 81. Southeast wind 3 to 8 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 69. South wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83. Southwest wind 5 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Barnstable MA
 41.71°N 70.31°W (Elev. 16 ft)
Last Update:
12:35 pm EDT Jun 20, 2026
Forecast Valid:
3pm EDT Jun 20, 2026-6pm EDT Jun 27, 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