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.

Mostly Cloudy

80°F

27°C

Humidity 82%
Wind Speed Vrbl 7 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 14 Aug 2:56 pm EDT
Extended Forecast for

Hyannis MA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening.

    Low: 68 °F

    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 78. Northeast wind 9 to 11 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Northeast wind around 6 mph becoming calm after midnight.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Northeast wind 6 to 9 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Southeast wind around 6 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Southwest wind 6 to 13 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers between 11pm and 2am. Partly cloudy, with a low around 64. Southwest wind around 10 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 74. Northeast wind 11 to 14 mph.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Northeast wind 5 to 7 mph.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 78. Northeast wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 63. Northeast wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 78. Northeast wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 64. Southeast wind around 6 mph.
Sunday
Sunny, with a high near 81. Southwest wind 6 to 13 mph.
Sunday Night
A chance of showers between 11pm and 2am. Partly cloudy, with a low around 64. Southwest wind around 10 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 74. Northeast wind 11 to 14 mph.
Monday Night
Partly cloudy, with a low around 62. Northeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 74. East wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 61. East wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 76. East wind 9 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 63. Northeast wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 75. North wind 10 to 14 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:
12:20 pm EDT Aug 14, 2025
Forecast Valid:
3pm EDT Aug 14, 2025-6pm EDT Aug 21, 2025
 
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