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

9°F

-13°C

Humidity 84%
Wind Speed Calm
Barometer 30.62 in (1037.2 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 3 Mar 4:56 am EST
Extended Forecast for

Dennis MA

  • Today

    Today: Rain likely, possibly mixed with snow before 3pm, then rain. High near 36. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Slight Chance
    Snow then
    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 3am. Patchy fog after 10pm. Low around 33. Southeast wind 8 to 14 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 47 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 9am. Mostly cloudy, with a high near 40. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 30%.

    High: 40 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 34. Northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 34 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Cloudy, with a high near 40. Northeast wind 10 to 13 mph. Chance of precipitation is 70%.

    High: 40 °F

    Rain Likely

  • Friday Night

    Friday Night: Cloudy, with a low around 33. Northeast wind 5 to 7 mph.

    Low: 33 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 46. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain likely, possibly mixed with snow before 3pm, then rain. High near 36. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 3am. Patchy fog after 10pm. Low around 33. Southeast wind 8 to 14 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 6 to 8 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 31. Calm wind.
Thursday
A chance of rain, mainly after 9am. Mostly cloudy, with a high near 40. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 30%.
Thursday Night
Rain, mainly after 1am. Low around 34. Northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 1pm. Cloudy, with a high near 40. Northeast wind 10 to 13 mph. Chance of precipitation is 70%.
Friday Night
Cloudy, with a low around 33. Northeast wind 5 to 7 mph.
Saturday
Mostly cloudy, with a high near 46. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of rain after 8pm. Cloudy, with a low around 40. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
A chance of rain. Mostly cloudy, with a high near 48. West wind 7 to 9 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 37. Southwest wind around 7 mph.
Monday
Partly sunny, with a high near 48. Southwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis MA
 41.73°N 70.18°W (Elev. 121 ft)
Last Update:
2:06 am EST Mar 3, 2026
Forecast Valid:
5am EST Mar 3, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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