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.

Overcast

32°F

0°C

Humidity 92%
Wind Speed Calm
Barometer 30.05 in (1017.7 mb)
Dewpoint 30°F (-1°C)
Visibility 7.00 mi
Last update 18 Jan 5:56 am EST
Extended Forecast for

Yarmouth MA

Winter Weather Advisory January 18, 07:00am until January 19, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow, mainly after 9am. High near 38. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Snow

  • Tonight

    Tonight: Snow. Low around 27. Northeast wind 6 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow

  • M.L.King Day

    M.L.King Day: Snow showers, mainly before 9am. High near 36. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Showers
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20. West wind 9 to 15 mph, with gusts as high as 26 mph.

    Low: 20 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26. West wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. West wind 8 to 14 mph.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Southwest wind 6 to 9 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow showers after 4am. Mostly cloudy, with a low around 29. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers before 9am, then a chance of rain showers between 9am and 11am. Partly sunny, with a high near 40. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

Detailed Forecast

Today
Snow, mainly after 9am. High near 38. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Snow. Low around 27. Northeast wind 6 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
Snow showers, mainly before 9am. High near 36. Southwest wind 6 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 20. West wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 26. West wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 15. West wind 8 to 14 mph.
Wednesday
Mostly sunny, with a high near 35. Southwest wind 6 to 9 mph.
Wednesday Night
A chance of snow showers after 4am. Mostly cloudy, with a low around 29. Southwest wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers before 9am, then a chance of rain showers between 9am and 11am. Partly sunny, with a high near 40. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 20. West wind around 9 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 33. West wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 25. Southwest wind around 6 mph.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 35. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 ft)
Last Update:
6:21 am EST Jan 18, 2026
Forecast Valid:
6am EST Jan 18, 2026-6pm EST Jan 24, 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