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.

Fog

50°F

10°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.65 in (1004.2 mb)
Dewpoint 50°F (10°C)
Visibility 0.50 mi
Wind Chill46°F (8°C)
Last update 12 Mar 1:56 am EDT
Extended Forecast for

Yarmouth MA

  • Overnight

    Overnight: A slight chance of showers. Patchy dense fog. Otherwise, cloudy, with a low around 41. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers and
    Patchy Dense
    Fog

  • Thursday

    Thursday: A chance of showers, mainly after 9am. Patchy fog before noon. Otherwise, cloudy, with a high near 50. Southwest wind around 11 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of snow showers, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 28. West wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 42. West wind 5 to 9 mph becoming southwest in the afternoon.

    High: 42 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. South wind 8 to 10 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. Northwest wind around 6 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Cloudy, with a low around 34. Southeast wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Cloudy then
    Chance Rain

Detailed Forecast

Overnight
A slight chance of showers. Patchy dense fog. Otherwise, cloudy, with a low around 41. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly after 9am. Patchy fog before noon. Otherwise, cloudy, with a high near 50. Southwest wind around 11 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of snow showers, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 28. West wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 42. West wind 5 to 9 mph becoming southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 33. South wind 8 to 10 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 45. West wind 10 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 28. West wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 43. Northwest wind around 6 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain after 2am. Cloudy, with a low around 34. Southeast wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Monday
Rain. High near 52. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Cloudy, with a low around 30. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Tuesday
A chance of rain. Partly sunny, with a high near 40. West wind around 11 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 23. Northwest wind around 9 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Yarmouth MA
 41.69°N 70.22°W (Elev. 33 ft)
Last Update:
4:43 pm EDT Mar 11, 2026
Forecast Valid:
2am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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