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.

Fog/Mist

67°F

19°C

Humidity 97%
Wind Speed E 7 mph
Barometer 29.65 in (1004.0 mb)
Dewpoint 66°F (19°C)
Visibility 3.00 mi
Last update 29 Jul 6:56 pm EDT
Extended Forecast for

East Dennis MA

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 4am. Patchy fog. Otherwise, cloudy, with a low around 65. East wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 74. Southeast wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 63. North wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Partly sunny, with a high near 73. North wind 6 to 10 mph.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Calm wind becoming southwest around 5 mph after midnight.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. South wind 3 to 7 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68. Southwest wind around 7 mph.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. South wind 7 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 4am. Patchy fog. Otherwise, cloudy, with a low around 65. East wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 74. Southeast wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, mainly before 9pm. Patchy fog. Otherwise, mostly cloudy, with a low around 63. North wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 73. North wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 65. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 79. South wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 68. Southwest wind around 7 mph.
Sunday
Partly sunny, with a high near 77. South wind 7 to 10 mph.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 30%.
Monday
A chance of showers before 4pm. Partly sunny, with a high near 77. Southwest wind around 8 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 67. West wind around 6 mph.
Tuesday
Sunny, with a high near 77. Northwest wind 5 to 7 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 67. South wind around 5 mph becoming west after midnight.
Wednesday
Sunny, with a high near 77. Northwest wind around 6 mph becoming east in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Dennis MA
 41.75°N 70.15°W (Elev. 13 ft)
Last Update:
2:30 pm EDT Jul 29, 2026
Forecast Valid:
7pm EDT Jul 29, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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