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.

Overcast

45°F

7°C

Humidity 97%
Wind Speed SW 10 mph
Barometer 29.69 in (1005.6 mb)
Dewpoint 44°F (7°C)
Visibility 9.00 mi
Wind Chill40°F (4°C)
Last update 21 Mar 4:56 am EDT
Extended Forecast for

West Yarmouth MA

  • Today

    Today: Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. Southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 45 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Light and variable wind becoming north around 5 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain, mainly after 1pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 45. South wind 9 to 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain. Patchy fog before 9pm. Low around 35. Southwest wind around 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: Rain before 4pm, then a slight chance of rain and snow between 4pm and 5pm, then a slight chance of rain after 5pm. High near 38. North wind 13 to 16 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 38 °F

    Rain then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. North wind 11 to 13 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. North wind 6 to 10 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind 8 to 11 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. Southwest wind 11 to 14 mph.

    High: 43 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. Southwest wind 7 to 14 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Tonight
Increasing clouds, with a low around 37. Light and variable wind becoming north around 5 mph.
Sunday
A chance of rain, mainly after 1pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 45. South wind 9 to 14 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Patchy fog before 9pm. Low around 35. Southwest wind around 9 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain before 4pm, then a slight chance of rain and snow between 4pm and 5pm, then a slight chance of rain after 5pm. High near 38. North wind 13 to 16 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 31. North wind 11 to 13 mph.
Tuesday
Mostly sunny, with a high near 38. North wind 6 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind 8 to 11 mph.
Wednesday
Partly sunny, with a high near 43. Southwest wind 11 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 33. West wind around 10 mph.
Thursday
A chance of rain. Partly sunny, with a high near 43. South wind around 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 44. Northwest wind around 14 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Yarmouth MA
 41.65°N 70.26°W (Elev. 10 ft)
Last Update:
2:33 am EDT Mar 21, 2026
Forecast Valid:
5am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation