Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Mostly Cloudy
38°F
3°C
| Humidity | 73% |
| Wind Speed | NW 3 mph |
| Barometer | 29.99 in (1015.7 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 3 Dec 2:56 pm EST |
Extended Forecast for
South Yarmouth MA
Tonight

Low: 27 °F
Mostly Cloudy
Thursday
High: 42 °F
Partly Sunny
then Slight
Chance
ShowersThursday Night

Low: 16 °F
Mostly Clear
Friday

High: 31 °F
Mostly Sunny
Friday Night

Low: 26 °F
Chance Snow
ShowersSaturday
High: 43 °F
Chance
Rain/Snow
then Chance
ShowersSaturday Night
Low: 31 °F
Chance
Showers then
Mostly CloudySunday

High: 43 °F
Partly Sunny
Sunday Night

Low: 24 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 27. Calm wind becoming southwest around 6 mph after midnight.
Thursday
A slight chance of showers between noon and 4pm. Cloudy, then becoming mostly sunny during the afternoon, with a high near 42. Southwest wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 16. Northwest wind 8 to 16 mph, with gusts as high as 43 mph.
Friday
Mostly sunny, with a high near 31. Light and variable wind becoming west 5 to 7 mph in the morning.
Friday Night
A chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 26. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A chance of snow showers before 8am, then a chance of rain showers. Cloudy, with a high near 43. Southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 31. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 43. Northwest wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 24. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 33. North wind 10 to 13 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 20. North wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 36. Northwest wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. West wind around 7 mph. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 46. West wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Yarmouth MA
41.67°N 70.2°W (Elev. 10 ft)
41.67°N 70.2°W (Elev. 10 ft)
3:27 pm EST Dec 3, 2025
3pm EST Dec 3, 2025-6pm EST Dec 10, 2025


