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

49°F

9°C

Humidity 97%
Wind Speed SW 9 mph
Barometer 30.19 in (1022.4 mb)
Dewpoint 48°F (9°C)
Visibility 1.00 mi
Wind Chill45°F (7°C)
Last update 3 Apr 12:56 pm EDT
Extended Forecast for

Dennis MA

  • This Afternoon

    This Afternoon: Patchy drizzle and fog. Mostly cloudy, with a high near 52. Southwest wind 10 to 14 mph.

    High: 52 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Tonight

    Tonight: Patchy drizzle. The drizzle could be heavy at times. Patchy dense fog. Otherwise, mostly cloudy, with a low around 42. Southwest wind 15 to 17 mph.

    Low: 42 °F

    Patchy
    Drizzle and
    Patchy Dense
    Fog

  • Saturday

    Saturday: Patchy drizzle between 10am and 2pm. Partly sunny, with a high near 52. Northwest wind 8 to 14 mph becoming northeast in the afternoon.

    High: 52 °F

    Patchy
    Drizzle

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 1am. Patchy fog after 2am. Otherwise, cloudy, with a low around 39. Southeast wind around 11 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly after 2pm. Patchy fog before 8am, then patchy fog after 2pm. High near 54. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.

    High: 54 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Patchy fog before 8pm. Low around 39. Southwest wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 39 °F

    Showers and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers between 7am and 8am. Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 49. West wind around 14 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. West wind 6 to 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 11am. Partly sunny, with a high near 46. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Patchy drizzle and fog. Mostly cloudy, with a high near 52. Southwest wind 10 to 14 mph.
Tonight
Patchy drizzle. The drizzle could be heavy at times. Patchy dense fog. Otherwise, mostly cloudy, with a low around 42. Southwest wind 15 to 17 mph.
Saturday
Patchy drizzle between 10am and 2pm. Partly sunny, with a high near 52. Northwest wind 8 to 14 mph becoming northeast in the afternoon.
Saturday Night
A chance of showers, mainly after 1am. Patchy fog after 2am. Otherwise, cloudy, with a low around 39. Southeast wind around 11 mph. Chance of precipitation is 30%.
Sunday
Showers, mainly after 2pm. Patchy fog before 8am, then patchy fog after 2pm. High near 54. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Patchy fog before 8pm. Low around 39. Southwest wind 10 to 14 mph becoming northwest after midnight. Chance of precipitation is 80%.
Monday
A chance of showers between 7am and 8am. Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 49. West wind around 14 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 36. West wind 6 to 10 mph.
Tuesday
A chance of showers after 11am. Partly sunny, with a high near 46. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 32. Northwest wind 8 to 13 mph.
Wednesday
Sunny, with a high near 40. North wind 7 to 10 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 34. South wind around 9 mph.
Thursday
Mostly sunny, with a high near 49. South wind 10 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.74°N 70.21°W (Elev. 30 ft)
Last Update:
12:57 pm EDT Apr 3, 2026
Forecast Valid:
1pm EDT Apr 3, 2026-6pm EDT Apr 9, 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