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 Chill | 33°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
Tonight
Low: 36 °F
Mostly Cloudy
then Heavy
RainMonday
High: 55 °F
Heavy Rain
and Patchy
FogMonday Night

Low: 38 °F
Heavy Rain
and Areas FogTuesday
High: 45 °F
Breezy.
Showers then
Mostly SunnyTuesday Night

Low: 24 °F
Mostly Clear
Wednesday

High: 36 °F
Sunny
Wednesday Night

Low: 29 °F
Mostly Cloudy
Thursday

High: 39 °F
Partly Sunny
Thursday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dennis MA
41.74°N 70.21°W (Elev. 30 ft)
41.74°N 70.21°W (Elev. 30 ft)
6:15 pm EDT Mar 15, 2026
10pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026



