National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

12°F

-11°C

Humidity 44%
Wind Speed N 17 G 31 mph
Barometer 30.47 in (1032.0 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 24 Jan 10:56 am EST
Extended Forecast for

Dennis MA

Winter Storm Warning January 25, 07:00am until January 26, 08:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Mostly sunny, with a high near 17. Wind chill values as low as -4. Northwest wind 14 to 17 mph.

    High: 17 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Northwest wind 8 to 11 mph.

    Low: 14 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. Patchy fog after 4pm. Areas of freezing fog between 2pm and 4pm. High near 32. North wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 32 °F

    Snow Likely
    then Heavy
    Snow and
    Areas
    Freezing Fog

  • Sunday Night

    Sunday Night: Rain and snow before 3am, then snow and sleet between 3am and 4am, then rain, snow, and sleet after 4am. The snow could be heavy at times. Areas of blowing snow before midnight. Low around 26. Breezy, with a northeast wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 4 to 8 inches possible.

    Low: 26 °F

    Heavy Snow
    and Areas
    Blowing Snow
    then Wintry
    Mix and
    Breezy

  • Monday

    Monday: Snow and sleet, becoming all snow after 8am. High near 36. Northeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than one inch possible.

    High: 36 °F

    Snow/Sleet
    then Snow
    Likely

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 16 to 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 14 °F

    Snow Likely
    and Blustery

  • Tuesday

    Tuesday: A chance of snow before 9am. Mostly sunny, with a high near 24. Blustery, with a west wind 16 to 21 mph. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow
    and Blustery
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14. West wind around 15 mph.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. West wind 11 to 15 mph.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 17. Wind chill values as low as -4. Northwest wind 14 to 17 mph.
Tonight
Mostly cloudy, with a low around 14. Northwest wind 8 to 11 mph.
Sunday
Snow. The snow could be heavy at times. Patchy fog after 4pm. Areas of freezing fog between 2pm and 4pm. High near 32. North wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Rain and snow before 3am, then snow and sleet between 3am and 4am, then rain, snow, and sleet after 4am. The snow could be heavy at times. Areas of blowing snow before midnight. Low around 26. Breezy, with a northeast wind 17 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 4 to 8 inches possible.
Monday
Snow and sleet, becoming all snow after 8am. High near 36. Northeast wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than one inch possible.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 14. Blustery, with a northwest wind 16 to 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday
A chance of snow before 9am. Mostly sunny, with a high near 24. Blustery, with a west wind 16 to 21 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 14. West wind around 15 mph.
Wednesday
Mostly sunny, with a high near 25. West wind 11 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 14. West wind 9 to 11 mph.
Thursday
Mostly cloudy, with a high near 24. West wind around 11 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 14. Northwest wind 14 to 16 mph. Chance of precipitation is 30%.
Friday
A chance of snow. Partly sunny, with a high near 25. Northwest wind around 16 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:
5:35 am EST Jan 24, 2026
Forecast Valid:
11am EST Jan 24, 2026-6pm EST Jan 30, 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