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

73°F

23°C

Humidity 62%
Wind Speed N 8 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Jul 11:56 am EDT
Extended Forecast for

Dennis MASimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. Northeast wind around 5 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southeast wind around 5 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. South wind 6 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after 4am. Mostly cloudy, with a low around 67. Southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog between 1pm and 2pm. High near 77. East wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.

    High: 77 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 67. East wind 7 to 11 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. East wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 1am. Mostly cloudy, with a low around 65. North wind around 8 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 75. North wind 7 to 10 mph.

    High: 75 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. Northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 66. Southeast wind around 5 mph becoming southwest after midnight.
Tuesday
Mostly sunny, with a high near 79. South wind 6 to 11 mph.
Tuesday Night
Scattered showers, mainly after 4am. Mostly cloudy, with a low around 67. Southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 11am. Patchy fog between 1pm and 2pm. High near 77. East wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 67. East wind 7 to 11 mph. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms likely before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. East wind 8 to 10 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 1am. Mostly cloudy, with a low around 65. North wind around 8 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 75. North wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 67. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 77. Northwest wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 69. Southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 79. South wind 6 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MASimilar City Names
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
5:11 am EDT Jul 27, 2026
Forecast Valid:
12pm EDT Jul 27, 2026-6pm EDT Aug 2, 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