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Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

39°F

4°C

Humidity 79%
Wind Speed SE 8 G 18 mph
Barometer 30.41 in (1029.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 15 Mar 9:56 pm EDT
Extended Forecast for

Dennis MA

Flood Watch March 16, 05:00am until March 17, 08:00am
High Wind Watch March 16, 05:00pm until March 17, 06:00am
Click here for hazard details and duration
Flood Watch
High Wind Watch

  • Tonight

    Tonight: A chance of showers after 5am. The rain could be heavy at times. Increasing clouds, with a low around 36. Southeast wind 10 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Monday

    Monday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 55. Breezy, with a south wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Some of the storms could produce heavy rainfall. Areas of fog. Low around 38. Windy, with a south wind 24 to 31 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Heavy Rain
    and Areas Fog

  • Tuesday

    Tuesday: Showers, mainly before 8am. High near 45. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Breezy.
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West wind around 17 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 36. West wind 6 to 13 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South wind 5 to 7 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39. Southeast wind 7 to 10 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. South wind around 7 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers after 5am. The rain could be heavy at times. Increasing clouds, with a low around 36. Southeast wind 10 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 55. Breezy, with a south wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Some of the storms could produce heavy rainfall. Areas of fog. Low around 38. Windy, with a south wind 24 to 31 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers, mainly before 8am. High near 45. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 24. West wind around 17 mph.
Wednesday
Sunny, with a high near 36. West wind 6 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 29. South wind 5 to 7 mph.
Thursday
Partly sunny, with a high near 39. Southeast wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 32. South wind around 7 mph.
Friday
Mostly sunny, with a high near 43. Southwest wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 34. Southwest wind 8 to 11 mph.
Saturday
A chance of rain. Partly sunny, with a high near 44. Southwest wind around 15 mph. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 32. West wind 14 to 18 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 41. West wind around 18 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:
6:15 pm EDT Mar 15, 2026
Forecast Valid:
10pm EDT Mar 15, 2026-6pm EDT Mar 22, 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