National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

55°F

13°C

Humidity 96%
Wind Speed Calm
Barometer 30.12 in (1020.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Sep 10:56 pm EDT
Extended Forecast for

West Dennis MA

Flood Watch September 13, 05:00am until September 13, 06:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. South wind around 6 mph.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 74. South wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 74 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: A chance of showers before 8pm, then a chance of showers after 3am. Mostly cloudy, with a low around 64. West wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Northwest wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. North wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. East wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the morning.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. South wind around 6 mph.
Sunday
Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 74. South wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
A chance of showers before 8pm, then a chance of showers after 3am. Mostly cloudy, with a low around 64. West wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Northwest wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly clear, with a low around 53. North wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 67. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 57. East wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74. South wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 61. Southwest wind around 8 mph.
Friday
Mostly sunny, with a high near 74. Southwest wind 10 to 13 mph becoming north in the afternoon.
Friday Night
A chance of showers. Partly cloudy, with a low around 58. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 71. Northeast wind around 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Dennis MA
 41.66°N 70.17°W (Elev. 10 ft)
Last Update:
10:19 pm EDT Sep 12, 2026
Forecast Valid:
11pm EDT Sep 12, 2026-6pm EDT Sep 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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