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.

Light Rain Fog/Mist

64°F

18°C

Humidity 90%
Wind Speed Calm
Barometer 30.05 in (1017.7 mb)
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 1 Sep 3:56 pm EDT
Extended Forecast for

Osterville MA

  • This Afternoon

    This Afternoon: Showers. High near 70. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 10pm. The rain could be heavy at times. Mostly cloudy, with a low around 61. East wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. East wind around 11 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. East wind around 8 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 74. South wind 9 to 11 mph. Chance of precipitation is 80%.

    High: 74 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 77. Northwest wind 6 to 8 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Northwest wind 3 to 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 71. North wind 10 to 13 mph.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Showers. High near 70. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely, mainly before 10pm. The rain could be heavy at times. Mostly cloudy, with a low around 61. East wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Mostly sunny, with a high near 70. East wind around 11 mph.
Wednesday Night
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. East wind around 8 mph. Chance of precipitation is 30%.
Thursday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 74. South wind 9 to 11 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 77. Northwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 64. Northwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 71. North wind 10 to 13 mph.
Saturday Night
Partly cloudy, with a low around 61. North wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 68. North wind 13 to 15 mph.
Sunday Night
Mostly clear, with a low around 61. Northeast wind around 6 mph becoming northwest after midnight.
Labor Day
Sunny, with a high near 71. Southwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 63. Southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 72.
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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:
4:11 pm EDT Sep 1, 2026
Forecast Valid:
4pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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