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.

Fog

41°F

5°C

Humidity 100%
Wind Speed S 12 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 41°F (5°C)
Visibility 0.50 mi
Wind Chill34°F (1°C)
Last update 8 Mar 1:56 am EDT
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: A chance of rain and thunderstorms, mainly before 4am. Patchy dense fog. Otherwise, cloudy, with a low around 41. Southwest wind around 17 mph. Chance of precipitation is 40%.

    Low: 41 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Sunday

    Sunday: A chance of rain, mainly before 11am. Patchy dense fog before 2pm, then patchy dense fog after 3pm. Patchy freezing fog between 2pm and 3pm. Otherwise, cloudy, with a high near 48. Southwest wind 10 to 16 mph. Chance of precipitation is 40%.

    High: 48 °F

    Chance Rain
    and Patchy
    Freezing Fog

  • Sunday Night

    Sunday Night: Patchy fog before midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. Southwest wind 6 to 8 mph.

    Low: 35 °F

    Patchy Fog
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 53. South wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Southwest wind 7 to 10 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Southwest wind 6 to 9 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 50. South wind 8 to 14 mph.

    High: 50 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 43. Breezy, with a south wind 14 to 20 mph.

    Low: 43 °F

    Cloudy then
    Cloudy and
    Breezy

Detailed Forecast

Overnight
A chance of rain and thunderstorms, mainly before 4am. Patchy dense fog. Otherwise, cloudy, with a low around 41. Southwest wind around 17 mph. Chance of precipitation is 40%.
Sunday
A chance of rain, mainly before 11am. Patchy dense fog before 2pm, then patchy dense fog after 3pm. Patchy freezing fog between 2pm and 3pm. Otherwise, cloudy, with a high near 48. Southwest wind 10 to 16 mph. Chance of precipitation is 40%.
Sunday Night
Patchy fog before midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 35. Southwest wind 6 to 8 mph.
Monday
Sunny, with a high near 53. South wind 5 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 33. Southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Wednesday
Cloudy, with a high near 50. South wind 8 to 14 mph.
Wednesday Night
Cloudy, with a low around 43. Breezy, with a south wind 14 to 20 mph.
Thursday
A chance of rain between 7am and 11am, then snow likely. Cloudy, with a high near 61. Breezy, with a south wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 27. Breezy, with a west wind 17 to 20 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 42. Southwest wind around 15 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. Breezy, with a south wind 16 to 20 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 53. West wind 13 to 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:
11:33 pm EST Mar 7, 2026
Forecast Valid:
1am EST Mar 8, 2026-6pm EDT Mar 14, 2026
 
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Additional Resources

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Chance of Precipitation