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

88°F

31°C

Humidity 61%
Wind Speed SW 8 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 29 Jul 11:56 am EDT
Extended Forecast for

Osterville MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Southwest wind around 10 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Southwest wind 6 to 9 mph becoming north after midnight.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. East wind 6 to 10 mph becoming south in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 68. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 75. Northeast wind 8 to 11 mph. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Cloudy, with a low around 64. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before noon. Mostly cloudy, with a high near 72. Northeast wind 13 to 15 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers before 9pm. Mostly cloudy, with a low around 64. Northeast wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. North wind around 11 mph.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 70. Southwest wind 6 to 9 mph becoming north after midnight.
Wednesday
Sunny, with a high near 82. East wind 6 to 10 mph becoming south in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 68. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 75. Northeast wind 8 to 11 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Cloudy, with a low around 64. East wind around 9 mph. Chance of precipitation is 60%.
Friday
Showers likely, mainly before noon. Mostly cloudy, with a high near 72. Northeast wind 13 to 15 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 64. Northeast wind 10 to 13 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 74. North wind around 11 mph.
Saturday Night
Mostly clear, with a low around 62. East wind around 6 mph becoming west in the evening.
Sunday
Sunny, with a high near 77. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 67. Southwest wind 7 to 9 mph.
Monday
Sunny, with a high near 77. South wind 7 to 10 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:
1:35 am EDT Jul 29, 2025
Forecast Valid:
12pm EDT Jul 29, 2025-6pm EDT Aug 4, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation