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

70°F

21°C

Humidity 64%
Wind Speed SW 10 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Jul 7:56 pm EDT
Extended Forecast for

Yarmouth MA

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Southwest wind around 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 74. South wind 8 to 13 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 4am. Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 65. Southeast wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers after 9am. Some of the storms could produce heavy rainfall. High near 72. East wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 72 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Showers, mainly before 2am. Low around 67. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.

    Low: 67 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 73. East wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 65. North wind around 6 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 10am. Partly sunny, with a high near 77. North wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. Light northwest wind.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Southwest wind around 7 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 74. South wind 8 to 13 mph.
Tuesday Night
A chance of showers, mainly after 4am. Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 65. Southeast wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers after 9am. Some of the storms could produce heavy rainfall. High near 72. East wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Showers, mainly before 2am. Low around 67. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.
Thursday
A chance of showers. Partly sunny, with a high near 73. East wind 6 to 9 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. North wind around 6 mph. Chance of precipitation is 40%.
Friday
A chance of showers before 10am. Partly sunny, with a high near 77. North wind 7 to 9 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 66. Light northwest wind.
Saturday
Mostly sunny, with a high near 77. North wind 5 to 7 mph.
Saturday Night
Partly cloudy, with a low around 68. Light southwest wind.
Sunday
Partly sunny, with a high near 84. South wind 5 to 10 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 80. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
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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:
6:56 pm EDT Jul 27, 2026
Forecast Valid:
8pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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