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.

Overcast

69°F

21°C

Humidity 73%
Wind Speed SE 6 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 1 Sep 10:56 am EDT
Extended Forecast for

Hyannis Port MA

  • Today

    Today: Showers, with thunderstorms also possible after 3pm. Some of the storms could produce heavy rainfall. High near 71. South wind 7 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Heavy Rain

  • Tonight

    Tonight: Showers, mainly before 10pm. Patchy fog before midnight. Low around 63. East wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 73. East wind 9 to 11 mph.

    High: 73 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. East wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly between 8am and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. South wind around 11 mph. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 76. Northwest wind 6 to 8 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Northwest wind 5 to 9 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. North wind 13 to 15 mph.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 3pm. Some of the storms could produce heavy rainfall. High near 71. South wind 7 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers, mainly before 10pm. Patchy fog before midnight. Low around 63. East wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 73. East wind 9 to 11 mph.
Wednesday Night
A chance of showers, mainly after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. East wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly between 8am and 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. South wind around 11 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 67. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76. Northwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 64. Northwest wind 5 to 9 mph.
Saturday
Mostly sunny, with a high near 70. North wind 13 to 15 mph.
Saturday Night
Partly cloudy, with a low around 62. North wind around 10 mph.
Sunday
Sunny, with a high near 69. North wind 13 to 15 mph.
Sunday Night
Mostly clear, with a low around 62. Northeast wind 5 to 7 mph becoming northwest after midnight.
Labor Day
Sunny, with a high near 71. North wind 8 to 11 mph becoming east in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis Port MA
 41.64°N 70.29°W (Elev. 10 ft)
Last Update:
7:04 am EDT Sep 1, 2026
Forecast Valid:
11am EDT Sep 1, 2026-6pm EDT Sep 7, 2026
 
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