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.

Fair

48°F

9°C

Humidity 48%
Wind Speed S 10 mph
Barometer 30.46 in (1031.6 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 12 Apr 2:56 pm EDT
Extended Forecast for

Dennis MA

  • Tonight

    Tonight: A chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 42. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 9am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 56. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    High: 56 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Showers likely before 7pm, then a slight chance of rain between 7pm and 9pm. Patchy fog before 11pm, then patchy fog after 1am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 49. Southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63. West wind 6 to 8 mph becoming south in the afternoon.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 49. Southwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. Southwest wind 9 to 15 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 11pm and midnight. Mostly cloudy, with a low around 49. Southwest wind around 9 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 58. South wind 8 to 11 mph.

    High: 58 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. Southwest wind around 10 mph.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 42. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday
A chance of showers before 9am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 56. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Monday Night
Showers likely before 7pm, then a slight chance of rain between 7pm and 9pm. Patchy fog before 11pm, then patchy fog after 1am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 49. Southwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 63. West wind 6 to 8 mph becoming south in the afternoon.
Tuesday Night
A slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 49. Southwest wind around 10 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 63. Southwest wind 9 to 15 mph.
Wednesday Night
A chance of showers between 11pm and midnight. Mostly cloudy, with a low around 49. Southwest wind around 9 mph. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 58. South wind 8 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 49. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 62. Southwest wind around 9 mph.
Friday Night
Partly cloudy, with a low around 47. Southwest wind around 7 mph becoming north after midnight.
Saturday
Partly sunny, with a high near 58. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 47. South wind around 8 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 59. South wind 9 to 13 mph. Chance of precipitation is 30%.
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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:
3:21 pm EDT Apr 12, 2026
Forecast Valid:
4pm EDT Apr 12, 2026-6pm EDT Apr 19, 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