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.

Mostly Cloudy

18°C

65°F

Humidity 93%
Wind Speed SE 7 km/h
Barometer 1020.2 mb (30.12 in)
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 12 Jul 8:56 pm EDT
Extended Forecast for

Hyannis MA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 18. Southeast wind 8 to 10 km/h.

    Low: 18 °C

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 24. Southeast wind 10 to 14 km/h.

    High: 24 °C

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 11pm and midnight. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 19. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. Southeast wind 5 to 14 km/h.

    High: 27 °C

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. Southwest wind 8 to 10 km/h.

    Low: 21 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Southwest wind 10 to 14 km/h.

    High: 29 °C

    Mostly Sunny

  • Tuesday Night

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

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 29. Southwest wind 10 to 16 km/h.

    High: 29 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Southwest wind around 13 km/h.

    Low: 22 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 18. Southeast wind 8 to 10 km/h.
Sunday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 24. Southeast wind 10 to 14 km/h.
Sunday Night
A chance of showers and thunderstorms between 11pm and midnight. Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 19. Southeast wind 5 to 10 km/h. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 27. Southeast wind 5 to 14 km/h.
Monday Night
Mostly cloudy, with a low around 21. Southwest wind 8 to 10 km/h.
Tuesday
Mostly sunny, with a high near 29. Southwest wind 10 to 14 km/h.
Tuesday Night
Mostly clear, with a low around 22. Southwest wind around 11 km/h.
Wednesday
Sunny, with a high near 29. Southwest wind 10 to 16 km/h.
Wednesday Night
Partly cloudy, with a low around 22. Southwest wind around 13 km/h.
Thursday
Partly sunny, with a high near 28. Southwest wind 14 to 23 km/h.
Thursday Night
Mostly cloudy, with a low around 21. Southwest wind 14 to 18 km/h.
Friday
A chance of showers. Partly sunny, with a high near 28. Southwest wind 14 to 18 km/h. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 21. Southwest wind around 11 km/h. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 27. West wind 13 to 16 km/h. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 m)
Last Update:
6:14 pm EDT Jul 12, 2025
Forecast Valid:
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 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