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

67°F

19°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 29.87 in (1011.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 23 Aug 5:56 am EDT
Extended Forecast for

Hyannis MA

  • Today

    Today: Showers likely, mainly before 9am. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 77. East wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Tonight

    Tonight: Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 70. Southwest wind 6 to 9 mph.

    Low: 70 °F

    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 79. Southwest wind 6 to 13 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Southwest wind 6 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Southwest wind 8 to 14 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Southwest wind 6 to 10 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 6 to 10 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Southwest wind 5 to 8 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Light southwest wind becoming south 6 to 11 mph in the morning.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, mainly before 9am. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 77. East wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 70. Southwest wind 6 to 9 mph.
Monday
Sunny, with a high near 79. Southwest wind 6 to 13 mph.
Monday Night
Mostly clear, with a low around 66. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 76. Southwest wind 8 to 14 mph.
Tuesday Night
Mostly clear, with a low around 64. Southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 67. Southwest wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 79. Light southwest wind becoming south 6 to 11 mph in the morning.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 69. South wind around 8 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 79. South wind 8 to 10 mph. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 69. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 79. Southwest wind around 8 mph.
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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:
2:30 am EDT Aug 23, 2026
Forecast Valid:
6am EDT Aug 23, 2026-6pm EDT Aug 29, 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