National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Overcast

67°F

19°C

Humidity 97%
Wind Speed NE 9 G 21 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 21 Aug 2:56 pm EDT
Extended Forecast for

Yarmouth MA

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a high near 71. Northeast wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Cloudy, with a low around 65. Northeast wind around 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after 1pm. Cloudy, with a high near 74. Northeast wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 11pm, then a chance of showers after 1am. Patchy fog between 9pm and 5am. Otherwise, cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 66 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers and thunderstorms likely before noon, then a chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. South wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. Southwest wind 5 to 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 81. Southwest wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Southwest wind 5 to 7 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 7 to 11 mph.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 71. Northeast wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly after 2am. Cloudy, with a low around 65. Northeast wind around 9 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, mainly after 1pm. Cloudy, with a high near 74. Northeast wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers before 11pm, then a chance of showers after 1am. Patchy fog between 9pm and 5am. Otherwise, cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers and thunderstorms likely before noon, then a chance of showers between noon and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 78. South wind 5 to 8 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 69. Southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 81. Southwest wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 65. Southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 7 to 11 mph.
Tuesday Night
Mostly clear, with a low around 64. West wind 6 to 8 mph.
Wednesday
Sunny, with a high near 80. Southwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind 5 to 7 mph.
Thursday
A chance of showers. Partly sunny, with a high near 80. South wind 5 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 69. South wind around 6 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.72°N 70.22°W (Elev. 49 ft)
Last Update:
2:48 pm EDT Aug 21, 2026
Forecast Valid:
3pm EDT Aug 21, 2026-6pm EDT Aug 28, 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