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.

A Few Clouds

44°F

7°C

Humidity 71%
Wind Speed SW 10 G 20 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 17 Jan 2:56 pm EST
Extended Forecast for

Osterville MA

Winter Weather Advisory January 18, 10:00am until January 19, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely before 2pm, then snow, possibly mixed with rain. High near 38. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Rain
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 2am. Low around 27. Northeast wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 34. Southwest wind 8 to 16 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West wind 11 to 13 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. West wind 9 to 11 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. West wind 7 to 11 mph becoming southwest in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Southwest wind 11 to 13 mph.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Rain likely before 2pm, then snow, possibly mixed with rain. High near 38. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, mainly before 2am. Low around 27. Northeast wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
M.L.King Day
A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 34. Southwest wind 8 to 16 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 21. West wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 27. West wind 11 to 13 mph.
Tuesday Night
Mostly clear, with a low around 17. West wind 9 to 11 mph.
Wednesday
Mostly sunny, with a high near 38. West wind 7 to 11 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 31. Southwest wind 11 to 13 mph.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 39. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 22. Northwest wind around 11 mph.
Friday
Mostly sunny, with a high near 32. West wind around 11 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind around 10 mph.
Saturday
A chance of snow. Partly sunny, with a high near 33. West wind 9 to 11 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Osterville MA
 41.63°N 70.39°W (Elev. 33 ft)
Last Update:
1:13 pm EST Jan 17, 2026
Forecast Valid:
3pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation