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 52%
Wind Speed N 9 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 14 Apr 10:56 am EDT
Extended Forecast for

Hyannis MA

  • Today

    Today: Mostly sunny, with a high near 70. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm. Patchy fog. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 61. Northwest wind 6 to 9 mph becoming south in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 9am. Mostly cloudy, with a high near 61. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. Southwest wind around 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 11am. Mostly cloudy, with a high near 60. Southwest wind 6 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before midnight. Mostly cloudy, with a low around 42. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 53. Northeast wind 6 to 8 mph.

    High: 53 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 70. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 11pm. Patchy fog. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 49. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 61. Northwest wind 6 to 9 mph becoming south in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers before 9am. Mostly cloudy, with a high near 61. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 49. Southwest wind around 6 mph.
Friday
A chance of showers after 11am. Mostly cloudy, with a high near 60. Southwest wind 6 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers before midnight. Mostly cloudy, with a low around 42. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 53. Northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 44. East wind around 6 mph becoming southeast after midnight.
Sunday
A chance of showers. Mostly cloudy, with a high near 56. South wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41. West wind around 10 mph. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 51. West wind 9 to 13 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:
9:31 am EDT Apr 14, 2026
Forecast Valid:
11am EDT Apr 14, 2026-6pm EDT Apr 20, 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