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.

Fair

74°F

23°C

Humidity 54%
Wind Speed N 6 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 22 Jun 8:56 am EDT
Extended Forecast for

Hyannis MA

  • Today

    Today: A slight chance of showers after 3pm. Mostly cloudy, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Showers likely, with thunderstorms also possible after 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 67. South wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. Patchy fog before 11am. High near 79. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 8pm. Partly cloudy, with a low around 65. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. Northwest wind around 8 mph becoming southwest in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. West wind 3 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. South wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 80. South wind 8 to 14 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers after 3pm. Mostly cloudy, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Showers likely, with thunderstorms also possible after 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 67. South wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. Patchy fog before 11am. High near 79. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 65. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 83. Northwest wind around 8 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. West wind 3 to 7 mph.
Thursday
Sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 68. South wind around 7 mph.
Friday
A chance of showers. Partly sunny, with a high near 80. South wind 8 to 14 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 69. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 81. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 69. Southwest wind 3 to 7 mph.
Sunday
Sunny, with a high near 81. Northwest wind around 6 mph becoming east in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Hyannis MA
 41.66°N 70.29°W (Elev. 39 ft)
Last Update:
5:35 am EDT Jun 22, 2026
Forecast Valid:
9am EDT Jun 22, 2026-6pm EDT Jun 28, 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