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.

A Few Clouds

30°F

-1°C

Humidity 36%
Wind Speed NW 9 G 20 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 Mar 12:56 am EDT
Extended Forecast for

Dennis MA

  • Overnight

    Overnight: Partly cloudy, with a low around 25. West wind around 15 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph becoming north in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Southeast wind 3 to 7 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. South wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Southwest wind 6 to 8 mph.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Southwest wind around 8 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain after 10am. Partly sunny, with a high near 45. South wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 35. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. West wind around 15 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph becoming north in the afternoon.
Wednesday Night
Partly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 39. Southeast wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 32. South wind around 6 mph.
Friday
Partly sunny, with a high near 44. Southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 35. Southwest wind around 8 mph.
Saturday
A chance of rain after 10am. Partly sunny, with a high near 45. South wind 10 to 14 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 35. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.
Sunday
A chance of rain. Partly sunny, with a high near 46. Southwest wind around 15 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 35. West wind 13 to 15 mph. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly sunny, with a high near 44. Northwest wind around 16 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 28. North wind around 15 mph.
Tuesday
Sunny, with a high near 39. North wind 10 to 13 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:
4:06 pm EDT Mar 17, 2026
Forecast Valid:
1am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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