National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fog/Mist

45°F

7°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 45°F (7°C)
Visibility 0.75 mi
Wind Chill42°F (6°C)
Last update 18 Apr 11:56 pm EDT
Extended Forecast for

Osterville MA

  • Overnight

    Overnight: Patchy drizzle after 2am. Patchy fog. Otherwise, cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 3pm. Patchy fog. High near 56. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 38. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A slight chance of showers after 3pm. Mostly sunny, with a high near 50. West wind around 7 mph. Chance of precipitation is 20%.

    High: 50 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 36. North wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. North wind 7 to 9 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. Southwest wind 6 to 9 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 10am and 2pm. Mostly cloudy, with a high near 51. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. West wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy drizzle after 2am. Patchy fog. Otherwise, cloudy, with a low around 44. Light and variable wind.
Sunday
Showers likely, then showers and possibly a thunderstorm after 3pm. Patchy fog. High near 56. South wind 8 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 38. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A slight chance of showers after 3pm. Mostly sunny, with a high near 50. West wind around 7 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 36. North wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 46. North wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 37. Southwest wind 6 to 9 mph.
Wednesday
A chance of showers between 10am and 2pm. Mostly cloudy, with a high near 51. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 40. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 54. Northwest wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 42. West wind around 6 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 54. Northeast wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 43. Southeast wind around 6 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 53. Northeast wind 6 to 9 mph becoming east in the afternoon.
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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:
6:31 pm EDT Apr 18, 2026
Forecast Valid:
12am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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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