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

37°F

3°C

Humidity 82%
Wind Speed SW 9 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 20 Mar 2:56 am EDT
Extended Forecast for

West Yarmouth MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Southwest wind around 7 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 44. West wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers. Low around 38. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 45. North wind 9 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. North wind 6 to 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 43. South wind 7 to 11 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after midnight. Cloudy, with a low around 37. Southwest wind 9 to 11 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Monday

    Monday: A chance of rain before 4pm. Mostly cloudy, with a high near 40. North wind 13 to 15 mph. Chance of precipitation is 50%.

    High: 40 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. North wind around 11 mph.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Southwest wind around 7 mph.
Friday
Increasing clouds, with a high near 44. West wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Showers. Low around 38. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 45. North wind 9 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 35. North wind 6 to 10 mph.
Sunday
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 43. South wind 7 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly after midnight. Cloudy, with a low around 37. Southwest wind 9 to 11 mph becoming north after midnight. Chance of precipitation is 60%.
Monday
A chance of rain before 4pm. Mostly cloudy, with a high near 40. North wind 13 to 15 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 30. North wind around 11 mph.
Tuesday
Mostly sunny, with a high near 37. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 33. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 42. Southwest wind 9 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Northwest wind around 9 mph.
Thursday
A chance of rain. Partly sunny, with a high near 44. Northwest wind 10 to 13 mph becoming south in the morning. 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:
2:34 am EDT Mar 20, 2026
Forecast Valid:
3am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation