South Yarmouth, Massachusetts Weather
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Weather Forecast for South Yarmouth, Massachusetts : Barnstable County
Issued: 5:41 am EDT Jul 3, 2025 Latitude: 41.6667779 Longitude: -70.1847414 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday
Morning Fog on Today 40% chance of thunderstorms on Tonight Sunny on Independence Day Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday 30% chance of on Tuesday Partly Sunny on Wednesday
High: 84°F Low: 65°F High: 81°F High: 81°F High: 83°F High: 84°F High: 82°F High: 81°F
Low: 64°F Low: 67°F Low: 69°F Low: 69°F Low: 68°F  
Morning Fog Thunderstorms Sunny Sunny Mostly Sunny Sunny Partly Sunny Partly Sunny
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Current Conditions at
HYANNIS - (KHYA)
66°
Cloudy
Mist
as of 5:59 AM EDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 1 Miles
Pressure: 29.80 in.
Flight Rule: LIFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
CHATHAM - (KCQX)
66°
Mostly Clear
Fog
as of 5:52 AM EDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 1/4 Miles
Pressure: 29.82 in.
Flight Rule: IFR
Wind Data
10 MPH
Gust: 16 MPH
220° Southwest
Current Conditions at
COAST GUARD AIR STA - (KFMH)
64°
Cloudy
Fog
as of 5:45 AM EDST
Rel. Humidity: 100%
Dew Point: 64°F
Visibility: 1/4 Miles
Pressure: 29.83 in.
Flight Rule: LIFR
Wind Data
9 MPH
250° West
Cloud Level(s): Solid Overcast at 100ft
Current Conditions at
PROVINCETOWN - (KPVC)
66°
Clear
as of 5:56 AM EDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Clear
Morning Fog on Today Today... Patchy fog before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Southwest wind 5 to 10 mph.
40% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 65. West wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 40%.
Sunny on Independence Day Independence Day... Sunny, with a high near 81. North wind around 8 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 64. South wind around 5 mph becoming light and variable in the evening.
Sunny on Saturday Saturday... Sunny, with a high near 81. Light and variable wind becoming south 5 to 8 mph in the morning.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 67. Southwest wind around 7 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 83. Southwest wind 9 to 14 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 69. Southwest wind 9 to 11 mph.
Sunny on Monday Monday... Sunny, with a high near 84. Southwest wind 10 to 14 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 69. Southwest wind 7 to 10 mph.
30% chance of Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 82. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
30% chance of rain Tuesday Night Tuesday Night... A chance of showers. Mostly cloudy, with a low around 68. Southwest wind around 6 mph. Chance of precipitation is 30%.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 81. South wind 6 to 10 mph.
Current Radar Image


Sun Almanac for South Yarmouth, Massachusetts
Sunrise: 05:12 AM
Sunset: 8:19 PM
Civil Sunrise:04:38 AM
Civil Sunset: 8:52 PM
Nautical Sunrise: 03:54 AM
Nautical Sunset: 9:36 PM
Astro Sunrise: 03:03 AM
Astro Sunset: 10:27 PM
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