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

24°C

75°F

Humidity 76%
Wind Speed S 19 km/h
Barometer 1017.4 mb (30.04 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Last update 14 Jul 4:56 pm EDT
Extended Forecast for

Yarmouth MA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 21. Southwest wind 10 to 13 km/h. Chance of precipitation is 30%.

    Low: 21 °C

    Mostly Cloudy
    then Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly before 10am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 28. Southwest wind 10 to 14 km/h. Chance of precipitation is 30%.

    High: 28 °C

    Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 21. Southwest wind 8 to 10 km/h.

    Low: 21 °C

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 29. Southwest wind 8 to 16 km/h.

    High: 29 °C

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Southwest wind around 11 km/h.

    Low: 22 °C

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before noon. Partly sunny, with a high near 29. Southwest wind 13 to 18 km/h, with gusts as high as 34 km/h. Chance of precipitation is 20%.

    High: 29 °C

    Slight Chance
    T-storms then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Southwest wind around 14 km/h.

    Low: 22 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31. West wind 11 to 16 km/h.

    High: 31 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. West wind 8 to 10 km/h becoming north after midnight.

    Low: 20 °C

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 21. Southwest wind 10 to 13 km/h. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms, mainly before 10am. Patchy fog before noon. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 28. Southwest wind 10 to 14 km/h. Chance of precipitation is 30%.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 21. Southwest wind 8 to 10 km/h.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 29. Southwest wind 8 to 16 km/h.
Wednesday Night
Mostly cloudy, with a low around 22. Southwest wind around 11 km/h.
Thursday
A slight chance of showers and thunderstorms before noon. Partly sunny, with a high near 29. Southwest wind 13 to 18 km/h, with gusts as high as 34 km/h. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 22. Southwest wind around 14 km/h.
Friday
Mostly sunny, with a high near 31. West wind 11 to 16 km/h.
Friday Night
Mostly cloudy, with a low around 20. West wind 8 to 10 km/h becoming north after midnight.
Saturday
Mostly sunny, with a high near 27. North wind 10 to 13 km/h.
Saturday Night
Partly cloudy, with a low around 19. Southeast wind 5 to 8 km/h becoming calm after midnight.
Sunday
Partly sunny, with a high near 27. South wind 8 to 14 km/h.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 20. South wind around 11 km/h. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 28. West wind 10 to 14 km/h becoming north in the afternoon. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 m)
Last Update:
2:03 pm EDT Jul 14, 2025
Forecast Valid:
5pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
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