Plum Island Sound, South End, MA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Sun Sep 6	Partly Cloudy Close Hourly	70º / 55º	15%	SSE 4 mph	57%
3pm	Mostly Cloudy	70º	15%	ENE 3 mph	55%
4pm	Mostly Cloudy	70º	15%	SE 3 mph	55%
5pm	Partly Cloudy	69º	2%	S 4 mph	57%
6pm	Mostly Sunny	66º	2%	SSW 4 mph	64%
7pm	Partly Cloudy	64º	2%	SW 4 mph	70%
8pm	Mostly Clear	63º	2%	WSW 4 mph	73%
9pm	Clear	61º	3%	W 3 mph	77%
10pm	Clear	60º	5%	WNW 4 mph	77%
11pm	Clear	60º	5%	WNW 5 mph	77%
Mon Sep 7	Mostly Sunny View Hourly	78º / 59º	5%	NW 8 mph	54%
12am	Clear	58º	3%	NW 5 mph	77%
1am	Clear	58º	3%	WNW 6 mph	77%
2am	Mostly Clear	57º	4%	WNW 6 mph	79%
3am	Clear	56º	5%	WNW 6 mph	81%
4am	Clear	56º	5%	WNW 7 mph	81%
5am	Clear	56º	5%	WNW 6 mph	82%
6am	Clear	56º	5%	WNW 6 mph	82%
7am	Sunny	57º	5%	WNW 7 mph	81%
8am	Sunny	61º	3%	NW 8 mph	74%
9am	Sunny	65º	1%	NW 8 mph	67%
10am	Sunny	68º	0%	NW 8 mph	59%
11am	Sunny	71º	0%	NW 8 mph	51%
12pm	Sunny	73º	0%	NW 8 mph	48%
1pm	Sunny	75º	0%	NW 8 mph	45%
2pm	Mostly Sunny	75º	0%	NW 7 mph	44%
3pm	Mostly Sunny	76º	0%	NW 8 mph	43%
4pm	Mostly Sunny	76º	0%	NW 8 mph	44%
5pm	Sunny	76º	0%	NW 8 mph	45%
6pm	Sunny	74º	0%	WNW 8 mph	47%
7pm	Sunny	72º	0%	WNW 7 mph	50%
8pm	Clear	69º	0%	NW 6 mph	55%
9pm	Clear	67º	0%	WNW 6 mph	59%
10pm	Clear	66º	0%	NW 6 mph	62%
11pm	Clear	64º	1%	WNW 6 mph	66%
Tue Sep 8	Partly Cloudy View Hourly	76º / 61º	6%	NW 8 mph	61%
12am	Clear	63º	1%	WNW 6 mph	68%
1am	Mostly Clear	62º	2%	WNW 6 mph	70%
2am	Partly Cloudy	61º	2%	WNW 6 mph	73%
3am	Partly Cloudy	61º	2%	W 6 mph	74%
4am	Partly Cloudy	61º	2%	W 6 mph	74%
5am	Mostly Clear	60º	3%	W 6 mph	75%
6am	Partly Cloudy	60º	3%	W 6 mph	76%
7am	Partly Cloudy	61º	3%	WNW 7 mph	76%
8am	Partly Cloudy	65º	2%	WNW 8 mph	70%
9am	Partly Cloudy	68º	1%	WNW 8 mph	66%
10am	Partly Cloudy	71º	0%	NW 8 mph	61%
11am	Partly Cloudy	74º	0%	NW 8 mph	57%
12pm	Partly Cloudy	75º	3%	NW 8 mph	55%
1pm	Partly Cloudy	75º	6%	NW 7 mph	55%
2pm	Partly Cloudy	75º	1%	NNW 7 mph	55%
Wed Sep 9	Cloudy	74º / 69º	10%	SE 11 mph	74%
Thu Sep 10	Mostly Cloudy	81º / 61º	24%	WSW 15 mph	65%
Fri Sep 11	Partly Cloudy	73º / 55º	12%	NW 11 mph	58%
Sat Sep 12	Mostly Sunny	73º / 61º	5%	SE 9 mph	61%
Sun Sep 13	Partly Cloudy	78º / 61º	8%	SW 12 mph	67%

Buoy Data
For Plum Island Sound, South End, MA
Wind Forecast
In Plum Island Sound, South End, MA
Radar
In Plum Island Sound, South End, MA
Marine Forecast
In Plum Island Sound, South End, MA

NOAA Weather Marine Forecast for Plum Island Sound, South End, MA

This Afternoon

High : 67ºF
Variable winds 5 kt or less. Sunny. Seas around 2 ft.

Tonight

Low : 53ºF
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

Labor Day

High : 78ºF
NW wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas around 1 ft.

Monday Night

Low : 60ºF
Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Tuesday

High : 78ºF
WNW wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas around 1 ft.

Tuesday Night

Low : 60ºF
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Wednesday

High : 76ºF
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Mostly cloudy. Seas around 1 ft.

Wednesday Night

Low : 68ºF
SSW wind 10 to 12 kt. A chance of showers. Seas around 2 ft.

Thursday

High : 83ºF
WSW wind around 11 kt, with gusts as high as 20 kt. Mostly sunny. Seas 2 to 3 ft.

Current Weather Conditions In Plum Island Sound, South End, MA

As Of: 3 minutes ago

Temperature: 70ºF
Feels Like: 70ºF

Wind Speed: 3mph
Direction: 0º (ENE)
Gusts: 3mph

Cloud Cover: Mostly Cloudy
Visibility: 10mi

Pressure: 29.95"
Humidity: 55%
Dew Point: 0ºF

The weather right now in Plum Island Sound, South End, MA is Mostly Cloudy. The current temperature is 70°F, and the expected high and low for today, Sunday, September 6, 2026, are 70° high temperature and 55°F low temperature. The wind is currently blowing at 3 miles per hour, and coming from the East Northeast. The wind is gusting to 3 mph. With the wind and the atmosphere the temperature feels like 70° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 55 percent, and air pressure at 29.95 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).