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

49°F

9°C

Humidity 90%
Wind Speed N 3 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Apr 1:56 am EDT
Extended Forecast for

Osterville MA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. Southwest wind 6 to 8 mph.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50. South wind 8 to 11 mph.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of rain before 9am, then a chance of showers, mainly after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. West wind around 7 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of rain before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 45. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 53. Northeast wind 6 to 8 mph.

    High: 53 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 45. East wind around 5 mph becoming south after midnight.

    Low: 45 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 56. South wind 8 to 11 mph. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind around 11 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. Southwest wind 6 to 8 mph.
Thursday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 50. South wind 8 to 11 mph.
Friday
A slight chance of rain before 9am, then a chance of showers, mainly after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 64. West wind around 7 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 45. Northeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 53. Northeast wind 6 to 8 mph.
Saturday Night
Cloudy, with a low around 45. East wind around 5 mph becoming south after midnight.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 56. South wind 8 to 11 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 37. West wind around 11 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 47. West wind 11 to 13 mph.
Monday Night
Partly cloudy, with a low around 33. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 48. Northwest wind 8 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41. Southwest wind around 11 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind 10 to 13 mph.
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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:
2:29 am EDT Apr 16, 2026
Forecast Valid:
2am EDT Apr 16, 2026-6pm EDT Apr 22, 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