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.

Overcast

67°F

19°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Sep 6:56 am EDT
Extended Forecast for

Osterville MA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 72. West wind 8 to 10 mph becoming north in the afternoon.

    High: 72 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 58. North wind 6 to 11 mph increasing to 12 to 17 mph after midnight.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Northeast wind 10 to 14 mph.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. East wind around 6 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 66. Southeast wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 2am. Patchy fog after 4am. Low around 61. East wind 7 to 9 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers. The rain could be heavy at times. Patchy fog before 8am. Otherwise, partly sunny, with a high near 65. Northeast wind 13 to 17 mph. Chance of precipitation is 50%.

    High: 65 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 59. Northeast wind 14 to 18 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 62. Breezy, with a northeast wind around 22 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 72. West wind 8 to 10 mph becoming north in the afternoon.
Tonight
Partly cloudy, with a low around 58. North wind 6 to 11 mph increasing to 12 to 17 mph after midnight.
Saturday
Mostly sunny, with a high near 62. Northeast wind 10 to 14 mph.
Saturday Night
Partly cloudy, with a low around 57. East wind around 6 mph.
Sunday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 66. Southeast wind 8 to 10 mph. Chance of precipitation is 40%.
Sunday Night
Showers, with thunderstorms also possible after 2am. Patchy fog after 4am. Low around 61. East wind 7 to 9 mph. Chance of precipitation is 80%.
Monday
A chance of showers. The rain could be heavy at times. Patchy fog before 8am. Otherwise, partly sunny, with a high near 65. Northeast wind 13 to 17 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Northeast wind 14 to 18 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 62. Breezy, with a northeast wind around 22 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 58. Breezy, with a northeast wind 22 to 25 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 62. Windy, with a northeast wind 24 to 28 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59. Windy, with a northeast wind 24 to 29 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 63. Windy, with a northeast wind 22 to 26 mph. Chance of precipitation is 30%.
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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:
7:02 am EDT Sep 18, 2026
Forecast Valid:
7am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation