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.

A Few Clouds

64°F

18°C

Humidity 87%
Wind Speed SW 14 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 May 9:56 pm EDT
Extended Forecast for

Yarmouth MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 79. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 54. West wind around 6 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 65. North wind 7 to 9 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Light south wind.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers. Mostly cloudy, with a high near 63. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 51. East wind around 6 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 79. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 54. West wind around 6 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 65. North wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 51. Calm wind.
Friday
Mostly sunny, with a high near 65. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 51. Light south wind.
Saturday
A chance of showers. Mostly cloudy, with a high near 63. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 51. East wind around 6 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 63. East wind 8 to 11 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52. East wind 5 to 8 mph. Chance of precipitation is 50%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 66. East wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 53. North wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 ft)
Last Update:
8:07 pm EDT May 19, 2026
Forecast Valid:
10pm EDT May 19, 2026-6pm EDT May 26, 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