South Yarmouth, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Jul 28 		AM Clouds/PM Sun
Close Hourly 		75º / 65º 15% SSW 13 mph 82%
7am Cloudy 72º 15% SSW 7 mph 91%
8am Cloudy 74º 5% SSW 10 mph 87%
9am Cloudy 74º 5% SSW 10 mph 84%
10am Mostly Cloudy 73º 15% SSW 9 mph 84%
11am Partly Cloudy 75º 15% SSW 9 mph 80%
12pm Partly Cloudy 76º 15% SSW 10 mph 78%
1pm Partly Cloudy 76º 15% S 11 mph 77%
2pm Partly Cloudy 75º 15% S 12 mph 78%
3pm Partly Cloudy 75º 15% S 12 mph 78%
4pm Partly Cloudy 74º 15% S 13 mph 78%
5pm Partly Cloudy 74º 15% S 13 mph 78%
6pm Partly Cloudy 73º 15% S 12 mph 82%
7pm Partly Cloudy 72º 7% S 11 mph 85%
8pm Partly Cloudy 71º 7% S 10 mph 87%
9pm Partly Cloudy 70º 8% S 9 mph 91%
10pm Mostly Clear 69º 8% SSE 10 mph 92%
11pm Partly Cloudy 68º 8% SSE 9 mph 96%
Wed
Jul 29 		PM Showers
View Hourly 		72º / 66º 65% ESE 16 mph 84%
12am Partly Cloudy 68º 8% SSE 9 mph 97%
1am Partly Cloudy 67º 9% SSE 9 mph 97%
2am Partly Cloudy 67º 8% SE 9 mph 97%
3am Mostly Cloudy 66º 13% SE 9 mph 98%
4am Mostly Cloudy 66º 8% SE 9 mph 97%
5am Cloudy 66º 14% SE 10 mph 97%
6am Cloudy 66º 17% SE 10 mph 97%
7am Cloudy 68º 18% SE 11 mph 90%
8am Cloudy 70º 19% ESE 13 mph 83%
9am Cloudy 71º 11% ESE 14 mph 78%
10am Cloudy 71º 12% ESE 15 mph 79%
11am Cloudy 71º 16% ESE 15 mph 79%
12pm Showers 71º 35% ESE 15 mph 81%
1pm Showers 71º 35% ESE 16 mph 83%
2pm Showers 71º 39% ESE 16 mph 84%
3pm Showers 71º 49% ESE 16 mph 85%
4pm Showers 71º 44% ESE 16 mph 88%
5pm Showers 70º 46% ESE 14 mph 90%
6pm Light Rain 69º 65% E 15 mph 92%
7pm Scattered Thunderstorms 69º 45% E 13 mph 91%
8pm Thunderstorms 68º 63% E 12 mph 95%
9pm Thunderstorms 68º 73% E 11 mph 99%
10pm Thunderstorms 67º 78% E 10 mph 99%
11pm Thunderstorms 67º 81% E 10 mph 99%
Thu
Jul 30 		Showers
View Hourly 		73º / 63º 46% N 10 mph 84%
12am Thunderstorms 67º 71% E 9 mph 99%
1am Scattered Thunderstorms 68º 55% E 7 mph 96%
2am Scattered Thunderstorms 68º 40% E 8 mph 97%
3am Showers 67º 37% E 6 mph 97%
4am Showers 67º 49% E 7 mph 97%
5am Showers 67º 39% E 6 mph 97%
6am Cloudy 67º 24% E 6 mph 97%
Fri
Jul 31 		AM Showers 73º / 64º 31% N 11 mph 77%
Sat
Aug 1 		Partly Cloudy 77º / 67º 19% SW 9 mph 73%
Sun
Aug 2 		Partly Cloudy 77º / 67º 14% S 12 mph 76%
Mon
Aug 3 		AM Showers 78º / 66º 43% WSW 11 mph 75%
Tue
Aug 4 		Mostly Sunny 79º / 66º 21% WNW 10 mph 64%

Weather Radar for South Yarmouth, MA See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for South Yarmouth, MA

Tuesday
High : 75ºF
S wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Low : 68ºF
SE wind around 8 kt. A slight chance of showers and thunderstorms after 3am. Seas 1 ft or less.
Wednesday
High : 72ºF
ESE wind 12 to 14 kt, with gusts as high as 24 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. Seas 1 ft or less.
Wednesday Night
Low : 67ºF
ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Showers likely, mainly between 11pm and 2am. Patchy fog before 9pm. Seas 1 ft or less.
Thursday
High : 73ºF
ESE wind 5 to 9 kt. A chance of showers. Seas 1 ft or less.
Thursday Night
Low : 66ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.
Friday
High : 78ºF
NNE wind 5 to 7 kt. A chance of showers before 10am. Seas 1 ft or less.
Friday Night
Low : 67ºF
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Saturday
High : 78ºF
Variable winds less than 5 kt becoming N around 6 kt in the morning. Mostly sunny. Seas 1 ft or less.

NOAA Buoy Data Near South Yarmouth, MA See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for South Yarmouth, MA

    TuesdayWednesdayThursday
    Wind Speed (MPH) 7912119911151613106
    11am3pm7pm11pm3am7am11am3pm7pm11pm3am7am
    MPH 7912119911151613106
    DIR SSWSSWSSSSESESEESEESEEEE

    Current Weather Conditions In South Yarmouth, MA

    As Of: 27 minutes ago

    • 72ºF
    • 72ºF
    • 7mph
    • 0º (SSW)
    • 7mph
    • Cloudy
    • 7mi
    • 29.79"
    • 91%
    • 0ºF

    The weather right now in South Yarmouth, MA is Cloudy. The current temperature is 72°F, and the expected high and low for today, Tuesday, July 28, 2026, are 75° high temperature and 65°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the South Southwest. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 72° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 91 percent, and air pressure at 29.79 in. Visibility is 7 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:36am Tue Jul 28 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT WEDNESDAY...

    WHAT: Southeast winds 15 to 25 kt with gusts up to 30 kt and
    seas 3 to 5 feet expected.

    WHERE: In Massachusetts coastal waters, Nantucket Sound,
    Vineyard Sound and Buzzards Bay. In Rhode Island coastal
    waters, Rhode Island Sound and Block Island Sound.

    WHEN: From 8 PM this evening to 8 PM EDT Wednesday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&