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 Vrbl 5 mph
Barometer 29.68 in (1005.2 mb)
Dewpoint 40°F (4°C)
Visibility 3.00 mi
Wind Chill36°F (2°C)
Last update 7 Jan 1:56 am EST
Extended Forecast for

Hyannis MA

  • Overnight

    Overnight: Rain likely, mainly before 4am. Patchy fog. Otherwise, cloudy, with a low around 34. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of rain between 10am and 1pm. Patchy dense fog. Otherwise, cloudy, with a high near 41. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 41 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Wednesday Night

    Wednesday Night: Patchy fog before 11pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind around 6 mph.

    Low: 31 °F

    Patchy Fog
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 40. Northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 40 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain, mainly after 4pm. Partly sunny, with a high near 46. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 46 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 10pm and midnight. Cloudy, with a low around 38. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, mainly after 1pm. Cloudy, with a high near 47. West wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 70%.

    High: 47 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 38. Southeast wind around 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 38 °F

    Rain

Detailed Forecast

Overnight
Rain likely, mainly before 4am. Patchy fog. Otherwise, cloudy, with a low around 34. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain between 10am and 1pm. Patchy dense fog. Otherwise, cloudy, with a high near 41. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Patchy fog before 11pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 40. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 31. Calm wind.
Friday
A chance of rain, mainly after 4pm. Partly sunny, with a high near 46. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly between 10pm and midnight. Cloudy, with a low around 38. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday
Rain likely, mainly after 1pm. Cloudy, with a high near 47. West wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 70%.
Saturday Night
Rain. Low around 38. Southeast wind around 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday
Rain likely, mainly before 1pm. Cloudy, with a high near 45. West wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. West wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 36. West wind 10 to 13 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 27. West wind around 8 mph.
Tuesday
Partly sunny, with a high near 39. Southwest wind 8 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 ft)
Last Update:
12:36 am EST Jan 7, 2026
Forecast Valid:
2am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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