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.

69°F

21°C

Humidity 76%
Wind Speed NW 6 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 14 Aug 3:56 am EDT
Extended Forecast for

Barnstable MA

  • Today

    Today: A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 81. North wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly clear, with a low around 60. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. North wind around 7 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 68. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers, mainly before 2pm. Patchy fog before 9am. High near 81. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers before 9pm. Partly cloudy, with a low around 66. West wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. North wind 6 to 10 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 81. North wind 5 to 8 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly clear, with a low around 60. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 76. North wind around 7 mph.
Saturday Night
Mostly clear, with a low around 57. Light and variable wind.
Sunday
Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 68. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
Showers, mainly before 2pm. Patchy fog before 9am. High near 81. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers before 9pm. Partly cloudy, with a low around 66. West wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 78. North wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 66. Light and variable wind.
Wednesday
Sunny, with a high near 83. Light west wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 69. Southwest wind 6 to 8 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 83. Southwest wind 8 to 13 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Barnstable MA
 41.71°N 70.31°W (Elev. 16 ft)
Last Update:
2:34 am EDT Aug 14, 2026
Forecast Valid:
4am EDT Aug 14, 2026-6pm EDT Aug 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation