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

26°F

-3°C

Humidity 69%
Wind Speed W 6 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 20 Jan 3:56 am EST
Extended Forecast for

Osterville MA

  • Today

    Today: Sunny, with a high near 27. West wind 11 to 14 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. West wind 9 to 13 mph.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. Southwest wind 7 to 13 mph.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 32. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Cloudy then
    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain before 11am. Mostly sunny, with a high near 41. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. West wind around 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33. West wind 10 to 14 mph.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. West wind around 14 mph, with gusts as high as 24 mph.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 18. Northwest wind 11 to 14 mph.

    High: 18 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 27. West wind 11 to 14 mph.
Tonight
Mostly clear, with a low around 18. West wind 9 to 13 mph.
Wednesday
Increasing clouds, with a high near 39. Southwest wind 7 to 13 mph.
Wednesday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 32. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 41. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 26. West wind around 10 mph.
Friday
Partly sunny, with a high near 33. West wind 10 to 14 mph.
Friday Night
Partly cloudy, with a low around 10. West wind around 14 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 18. Northwest wind 11 to 14 mph.
Saturday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 11. Northwest wind around 11 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 22. North wind 11 to 13 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 13. North wind 11 to 13 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 24. Northwest wind 11 to 13 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Osterville MA
 41.63°N 70.39°W (Elev. 33 ft)
Last Update:
12:45 am EST Jan 20, 2026
Forecast Valid:
4am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation