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

81°F

27°C

Humidity 49%
Wind Speed N 8 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 Aug 1:56 pm EDT
Extended Forecast for

Osterville MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Southeast wind around 6 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 67. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers before 9pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 65. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Northwest wind around 7 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Southwest wind around 6 mph becoming north after midnight.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. North wind around 7 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78. South wind 5 to 13 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Southeast wind around 6 mph.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 67. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers before 9pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 65. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Sunny, with a high near 80. Northwest wind around 7 mph.
Friday Night
Partly cloudy, with a low around 65. Southwest wind around 6 mph becoming north after midnight.
Saturday
Sunny, with a high near 76. North wind around 7 mph.
Saturday Night
Mostly clear, with a low around 66. Light and variable wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 78. South wind 5 to 13 mph.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 68. South wind around 11 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 78. Southwest wind 11 to 13 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 67. East wind around 8 mph becoming north after midnight. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 77. North wind around 8 mph becoming east in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Osterville MA
 41.63°N 70.39°W (Elev. 33 ft)
Last Update:
1:59 pm EDT Aug 12, 2026
Forecast Valid:
2pm EDT Aug 12, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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