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

53°F

12°C

Humidity 83%
Wind Speed SW 6 mph
Barometer 29.83 in (1010.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 15 Apr 1:56 am EDT
Extended Forecast for

Barnstable MA

  • Overnight

    Overnight: Partly cloudy, with a low around 49. Southwest wind around 9 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. West wind 5 to 7 mph becoming east in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 47. South wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between 7am and 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 63. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. North wind around 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54. Northeast wind around 7 mph.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 49. Southwest wind around 9 mph.
Wednesday
Mostly sunny, with a high near 63. West wind 5 to 7 mph becoming east in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 47. South wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, mainly between 7am and 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 63. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 43. North wind around 5 mph.
Saturday
Mostly cloudy, with a high near 54. Northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 44. Light and variable wind.
Sunday
A chance of showers after 9am. Mostly cloudy, with a high near 57. South wind 7 to 13 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 50. West wind around 14 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 34. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 50. West wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Barnstable MA
 41.71°N 70.31°W (Elev. 16 ft)
Last Update:
2:29 am EDT Apr 15, 2026
Forecast Valid:
2am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation