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

41°F

5°C

Humidity 96%
Wind Speed SW 6 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 40°F (4°C)
Visibility 1.00 mi
Wind Chill37°F (3°C)
Last update 10 Mar 7:56 pm EDT
Extended Forecast for

West Yarmouth MA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 36. Southwest wind around 7 mph.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before noon. Otherwise, mostly cloudy, with a high near 45. South wind 3 to 8 mph.

    High: 45 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a temperature rising to around 51 by 4am. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 44 °F⇑

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 48. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. West wind 10 to 13 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42. West wind 8 to 11 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain after 10pm. Mostly cloudy, with a low around 35. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 43. West wind 15 to 17 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Northwest wind 6 to 10 mph.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 36. Southwest wind around 7 mph.
Wednesday
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 45. South wind 3 to 8 mph.
Wednesday Night
A chance of rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a temperature rising to around 51 by 4am. South wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday
Rain likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 48. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 30. West wind 10 to 13 mph.
Friday
Mostly sunny, with a high near 42. West wind 8 to 11 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 35. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 43. West wind 15 to 17 mph.
Saturday Night
Partly cloudy, with a low around 31. Northwest wind 6 to 10 mph.
Sunday
Mostly cloudy, with a high near 45. North wind 5 to 10 mph becoming southeast in the afternoon.
Sunday Night
Rain likely. Cloudy, with a low around 39. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Monday
Rain. High near 49. Breezy, with a south wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 29. Southwest wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Tuesday
A chance of rain. Mostly sunny, with a high near 36. West wind 10 to 13 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Yarmouth MA
 41.65°N 70.26°W (Elev. 10 ft)
Last Update:
4:02 pm EDT Mar 10, 2026
Forecast Valid:
8pm EDT Mar 10, 2026-6pm EDT Mar 17, 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