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.

Light Rain

70°F

21°C

Humidity 87%
Wind Speed NE 12 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 11:56 pm EDT
Extended Forecast for

West Dennis MA

  • Overnight

    Overnight: Rain. Low around 68. Light and variable wind becoming north 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 68 °F

    Rain

  • Friday

    Friday: Rain. High near 71. Northeast wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 71 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 5am, then patchy drizzle with a chance of rain after 5am. Low around 67. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 67 °F

    Rain

  • Saturday

    Saturday: Patchy drizzle with a chance of rain before 9am, then showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. East wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 5am, then showers likely. Low around 68. South wind 3 to 5 mph. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 79. South wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers between 10pm and 4am. Mostly cloudy, with a low around 70. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 81. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. West wind 6 to 8 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain. Low around 68. Light and variable wind becoming north 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 71. Northeast wind 7 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain, mainly before 5am, then patchy drizzle with a chance of rain after 5am. Low around 67. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Patchy drizzle with a chance of rain before 9am, then showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. East wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 5am, then showers likely. Low around 68. South wind 3 to 5 mph. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 79. South wind 7 to 10 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers between 10pm and 4am. Mostly cloudy, with a low around 70. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 63. West wind 6 to 8 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 7 to 11 mph.
Tuesday Night
Mostly clear, with a low around 64. West wind 5 to 8 mph.
Wednesday
Sunny, with a high near 80. South wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph.
Thursday
A chance of showers. Partly sunny, with a high near 81. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
West Dennis MA
 41.66°N 70.17°W (Elev. 10 ft)
Last Update:
10:58 pm EDT Aug 20, 2026
Forecast Valid:
12am EDT Aug 21, 2026-6pm EDT Aug 27, 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