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

45°F

7°C

Humidity 93%
Wind Speed NW 8 mph
Barometer 29.76 in (1008.0 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill41°F (5°C)
Last update 21 Mar 8:56 am EDT
Extended Forecast for

Hyannis MA

  • Today

    Today: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 46. North wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Light and variable wind.

    Low: 35 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain, mainly after 1pm. Patchy fog after 4pm. Otherwise, cloudy, with a high near 47. South wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain. Patchy fog before 9pm. Low around 33. Southwest wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: Rain before 4pm, then a slight chance of rain and snow between 4pm and 5pm, then a slight chance of rain after 5pm. High near 39. North wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. North wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. North wind 6 to 8 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Southwest wind 10 to 14 mph.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 46. North wind 7 to 14 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 35. Light and variable wind.
Sunday
A chance of rain, mainly after 1pm. Patchy fog after 4pm. Otherwise, cloudy, with a high near 47. South wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Patchy fog before 9pm. Low around 33. Southwest wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain before 4pm, then a slight chance of rain and snow between 4pm and 5pm, then a slight chance of rain after 5pm. High near 39. North wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 29. North wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 39. North wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 31. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 45. Southwest wind 10 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 33. West wind around 9 mph.
Thursday
A chance of rain. Partly sunny, with a high near 45. South wind around 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35. Southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 45. Northwest wind 11 to 13 mph. Chance of precipitation is 40%.
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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 ft)
Last Update:
7:26 am EDT Mar 21, 2026
Forecast Valid:
9am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation