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

54°F

12°C

Humidity 87%
Wind Speed Calm
Barometer 29.76 in (1007.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 17 Apr 2:56 am EDT
Extended Forecast for

Yarmouth MA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 49. West wind around 8 mph.

    Low: 49 °F

    Patchy Fog

  • Friday

    Friday: A chance of rain after 3pm. Patchy fog between noon and 2pm. Otherwise, mostly cloudy, with a high near 59. North wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A chance of rain before 7pm. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. North wind around 7 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance Rain
    and Patchy
    Fog then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 8 mph.

    High: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog before 9pm. Otherwise, cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog
    then Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 3pm. Cloudy, with a high near 56. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. Northwest wind around 9 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 49. Northwest wind around 8 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. North wind 5 to 7 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 49. West wind around 8 mph.
Friday
A chance of rain after 3pm. Patchy fog between noon and 2pm. Otherwise, mostly cloudy, with a high near 59. North wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain before 7pm. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. North wind around 7 mph. Chance of precipitation is 30%.
Saturday
Patchy fog before 11am. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 8 mph.
Saturday Night
Patchy fog before 9pm. Otherwise, cloudy, with a low around 43. Calm wind.
Sunday
Showers likely, mainly after 3pm. Cloudy, with a high near 56. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 37. Northwest wind around 9 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 49. Northwest wind around 8 mph.
Monday Night
Partly cloudy, with a low around 34. North wind 5 to 7 mph.
Tuesday
Sunny, with a high near 48. North wind around 7 mph becoming northeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 39. Southwest wind 6 to 8 mph.
Wednesday
Partly sunny, with a high near 55. Southwest wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 41. Southwest wind around 6 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 55. North wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 ft)
Last Update:
1:47 am EDT Apr 17, 2026
Forecast Valid:
3am EDT Apr 17, 2026-6pm EDT Apr 23, 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