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

36°F

2°C

Humidity 70%
Wind Speed S 9 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 27 Feb 3:56 pm EST
Extended Forecast for

Osterville MA

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind 5 to 7 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. South wind 5 to 8 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Calm wind becoming northwest around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of rain between 8am and 3pm, then a chance of snow after 3pm. Increasing clouds, with a high near 39. North wind 6 to 9 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 9pm. Partly cloudy, with a low around 17. North wind around 11 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 26. North wind 6 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Light and variable wind becoming south around 6 mph in the evening.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain and snow between 1pm and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 41. South wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 41 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 9pm. Cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 44. South wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 31. Calm wind becoming northwest around 5 mph after midnight.
Sunday
A chance of rain between 8am and 3pm, then a chance of snow after 3pm. Increasing clouds, with a high near 39. North wind 6 to 9 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
A slight chance of snow before 9pm. Partly cloudy, with a low around 17. North wind around 11 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 26. North wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 20. Light and variable wind becoming south around 6 mph in the evening.
Tuesday
A chance of rain and snow between 1pm and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 41. South wind 7 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
Rain likely, mainly after 9pm. Cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A chance of rain before 1pm. Mostly cloudy, with a high near 43. West wind 7 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 33. Southwest wind around 6 mph.
Thursday
A chance of rain. Mostly cloudy, with a high near 42. South wind 6 to 10 mph. Chance of precipitation is 40%.
Thursday Night
Rain likely. Cloudy, with a low around 33. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday
A chance of rain. Cloudy, with a high near 40. East wind 11 to 13 mph. Chance of precipitation is 50%.
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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:
2:35 pm EST Feb 27, 2026
Forecast Valid:
4pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation