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

65°F

18°C

Humidity 84%
Wind Speed SW 8 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 25 May 3:56 pm EDT
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: Areas of fog. Otherwise, mostly cloudy, with a low around 57. West wind 5 to 7 mph.

    Low: 57 °F

    Areas Fog

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. Southwest wind around 11 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Isolated showers, then scattered showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Southwest wind 9 to 14 mph. Chance of precipitation is 30%.

    High: 77 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 56. Southwest wind 8 to 11 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 56 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Isolated showers between 1pm and 3pm, then isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 63. Northeast wind 8 to 13 mph. Chance of precipitation is 20%.

    High: 63 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. North wind around 6 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. North wind around 9 mph becoming east in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 52. South wind around 9 mph. Chance of precipitation is 40%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Areas of fog. Otherwise, mostly cloudy, with a low around 57. West wind 5 to 7 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 59. Southwest wind around 11 mph.
Wednesday
Isolated showers, then scattered showers and thunderstorms after 4pm. Partly sunny, with a high near 77. Southwest wind 9 to 14 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 56. Southwest wind 8 to 11 mph becoming north after midnight. Chance of precipitation is 20%.
Thursday
Isolated showers between 1pm and 3pm, then isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 63. Northeast wind 8 to 13 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 53. North wind around 6 mph.
Friday
Mostly sunny, with a high near 62. North wind around 9 mph becoming east in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 52. South wind around 9 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 61. Southeast wind 11 to 15 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. North wind around 14 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 63. North wind 10 to 13 mph.
Sunday Night
Partly cloudy, with a low around 53. North wind around 9 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 65. North wind 7 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.75°N 70.18°W (Elev. 3 ft)
Last Update:
1:57 pm EDT May 25, 2026
Forecast Valid:
4pm EDT May 25, 2026-6pm EDT Jun 1, 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