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.

Fog/Mist

40°F

4°C

Humidity 100%
Wind Speed S 14 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 40°F (4°C)
Visibility 0.75 mi
Wind Chill32°F (0°C)
Last update 7 Mar 3:56 pm EST
Extended Forecast for

Hyannis MA

  • This Afternoon

    This Afternoon: Patchy drizzle and fog. Cloudy, with a high near 45. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Tonight

    Tonight: Patchy drizzle before 1am, then a slight chance of rain after 1am. The drizzle could be heavy at times. Patchy dense fog. Otherwise, cloudy, with a low around 39. Southwest wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Patchy
    Drizzle and
    Patchy Dense
    Fog

  • Sunday

    Sunday: A chance of rain, mainly before noon. Patchy fog. Otherwise, cloudy, with a high near 48. Southwest wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Patchy fog before 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 6 mph.

    Low: 34 °F

    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 47. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Southwest wind 5 to 7 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Southwest wind 5 to 7 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 5 to 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 49. South wind 6 to 11 mph.

    High: 49 °F

    Cloudy

Detailed Forecast

This Afternoon
Patchy drizzle and fog. Cloudy, with a high near 45. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Patchy drizzle before 1am, then a slight chance of rain after 1am. The drizzle could be heavy at times. Patchy dense fog. Otherwise, cloudy, with a low around 39. Southwest wind 9 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday
A chance of rain, mainly before noon. Patchy fog. Otherwise, cloudy, with a high near 48. Southwest wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog before 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 34. West wind around 6 mph.
Monday
Sunny, with a high near 47. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 5 to 7 mph.
Wednesday
Cloudy, with a high near 49. South wind 6 to 11 mph.
Wednesday Night
A chance of rain after 4am. Cloudy, with a low around 38. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 50. Southwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Partly cloudy, with a low around 25. West wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 43. Southwest wind around 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. Southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
A chance of rain. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 ft)
Last Update:
3:12 pm EST Mar 7, 2026
Forecast Valid:
4pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation