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

69°F

21°C

Humidity 73%
Wind Speed W 8 mph
Barometer 29.55 in (1000.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 3:56 am EDT
Extended Forecast for

Osterville MA

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 73. Southwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. West wind 9 to 15 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. West wind around 17 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. West wind around 9 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers after 10am. Sunny, with a high near 73. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Southwest wind 5 to 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after 3pm. Partly sunny, with a high near 72. South wind 5 to 15 mph. Chance of precipitation is 60%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. Low around 67. Breezy, with a south wind around 22 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Partly sunny, with a high near 74. Southwest wind around 14 mph. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 73. Southwest wind 13 to 18 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 66. West wind 9 to 15 mph.
Saturday
Sunny, with a high near 75. West wind around 17 mph.
Saturday Night
Mostly clear, with a low around 65. West wind around 9 mph.
Sunday
A slight chance of showers after 10am. Sunny, with a high near 73. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 66. Southwest wind 5 to 7 mph.
Monday
Showers likely, mainly after 3pm. Partly sunny, with a high near 72. South wind 5 to 15 mph. Chance of precipitation is 60%.
Monday Night
Showers. Low around 67. Breezy, with a south wind around 22 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 74. Southwest wind around 14 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 66. West wind around 7 mph.
Wednesday
Sunny, with a high near 74. Northwest wind 5 to 9 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 74. South wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Osterville MA
 41.61°N 70.39°W (Elev. 0 ft)
Last Update:
2:48 am EDT Jun 19, 2026
Forecast Valid:
4am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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