Joice Island, Suisun Slough, CA Weather Forecast and Current Conditions

Day	Sky	High / Low	Precip	Wind	Humidity
Fri Oct 2	Partly Cloudy Close Hourly	93º / 58º	1%	SE 6 mph	36%
10am	Partly Cloudy	70º	0%	SSW 2 mph	58%
11am	Partly Cloudy	75º	0%	SSE 2 mph	49%
12pm	Partly Cloudy	79º	0%	ESE 3 mph	41%
1pm	Mostly Cloudy	84º	0%	ENE 4 mph	35%
2pm	Mostly Cloudy	87º	0%	ESE 5 mph	30%
3pm	Partly Cloudy	90º	0%	SSE 5 mph	26%
4pm	Partly Cloudy	90º	0%	SSW 5 mph	24%
5pm	Mostly Cloudy	92º	0%	SSW 5 mph	24%
6pm	Partly Cloudy	89º	0%	SW 6 mph	27%
7pm	Mostly Cloudy	81º	0%	WSW 7 mph	36%
8pm	Mostly Cloudy	75º	0%	WSW 6 mph	44%
9pm	Mostly Cloudy	73º	0%	WSW 7 mph	50%
10pm	Partly Cloudy	71º	0%	SW 7 mph	55%
11pm	Partly Cloudy	69º	0%	SW 7 mph	59%
Sat Oct 3	Sunny View Hourly	100º / 63º	2%	SSE 6 mph	34%
12am	Mostly Clear	67º	1%	SW 7 mph	64%
1am	Partly Cloudy	66º	1%	SW 7 mph	67%
2am	Partly Cloudy	64º	2%	SW 6 mph	70%
3am	Partly Cloudy	64º	2%	WSW 5 mph	71%
4am	Partly Cloudy	62º	3%	WSW 5 mph	75%
5am	Mostly Clear	61º	3%	WSW 4 mph	75%
6am	Clear	60º	3%	WSW 3 mph	76%
7am	Clear	59º	3%	WSW 3 mph	78%
8am	Sunny	65º	1%	WSW 3 mph	70%
9am	Sunny	72º	0%	SSW 3 mph	54%
10am	Sunny	78º	0%	S 4 mph	41%
11am	Sunny	85º	0%	ESE 5 mph	31%
12pm	Sunny	90º	0%	ENE 6 mph	25%
1pm	Sunny	93º	0%	ENE 6 mph	21%
2pm	Sunny	96º	0%	ENE 6 mph	18%
3pm	Sunny	98º	0%	ESE 6 mph	16%
4pm	Sunny	99º	0%	S 5 mph	15%
5pm	Sunny	98º	0%	SW 6 mph	16%
6pm	Sunny	93º	0%	SW 5 mph	22%
7pm	Clear	86º	0%	WSW 6 mph	29%
8pm	Clear	80º	0%	WSW 6 mph	34%
9pm	Clear	77º	0%	SW 6 mph	38%
10pm	Clear	75º	0%	SW 6 mph	41%
11pm	Clear	72º	0%	SW 7 mph	45%
Sun Oct 4	AM Clouds/PM Sun View Hourly	97º / 60º	0%	SSW 7 mph	32%
12am	Clear	71º	0%	SW 7 mph	48%
1am	Clear	70º	0%	WSW 7 mph	51%
2am	Clear	68º	0%	WSW 7 mph	54%
3am	Clear	67º	0%	WSW 6 mph	56%
4am	Mostly Clear	66º	0%	WSW 5 mph	58%
5am	Partly Cloudy	65º	0%	WSW 4 mph	59%
6am	Partly Cloudy	64º	1%	WSW 3 mph	61%
7am	Partly Cloudy	64º	1%	SW 3 mph	60%
8am	Cloudy	68º	0%	SW 3 mph	57%
9am	Mostly Cloudy	73º	0%	SW 4 mph	48%
Mon Oct 5	Sunny	95º / 60º	3%	SW 10 mph	39%
Tue Oct 6	Sunny	94º / 60º	3%	WSW 10 mph	41%
Wed Oct 7	Sunny	95º / 61º	3%	WSW 10 mph	39%
Thu Oct 8	Sunny	94º / 59º	3%	SW 10 mph	39%
Fri Oct 9	Mostly Sunny	85º / 57º	7%	WSW 12 mph	48%

Buoy Data
For Joice Island, Suisun Slough, CA
Wind Forecast
In Joice Island, Suisun Slough, CA
Radar
In Joice Island, Suisun Slough, CA
Marine Forecast
In Joice Island, Suisun Slough, CA

NOAA Weather Marine Forecast for Joice Island, Suisun Slough, CA

Today

High : 91ºF
Variable winds 5 kt or less. Mostly sunny.

Tonight

Low : 64ºF
Variable winds 5 kt or less. Partly cloudy.

Saturday

High : 96ºF
Variable winds 5 kt or less. Sunny.

Saturday Night

Low : 67ºF
Variable winds 5 kt or less. Mostly clear.

Sunday

High : 95ºF
Variable winds less than 5 kt becoming NE around 6 kt. Mostly sunny.

Sunday Night

Low : 66ºF
Variable winds less than 5 kt becoming WSW around 6 kt after midnight. Mostly clear.

Monday

High : 94ºF
WSW wind around 6 kt. Sunny.

Monday Night

Low : 65ºF
WSW wind 6 to 8 kt. Clear.

Tuesday

High : 94ºF
W wind around 6 kt. Sunny.

Current Weather Conditions In Joice Island, Suisun Slough, CA

As Of: 6 minutes ago

Temperature: 70ºF
Feels Like: 70ºF

Wind Speed: 2mph
Direction: 0º (SSW)
Gusts: 2mph

Cloud Cover: Partly Cloudy
Visibility: 10mi

Pressure: 29.92"
Humidity: 58%
Dew Point: 0ºF

The weather right now in Joice Island, Suisun Slough, CA is Partly Cloudy. The current temperature is 70°F, and the expected high and low for today, Friday, October 2, 2026, are 93° high temperature and 58°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the South Southwest. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 70° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 58 percent, and air pressure at 29.92 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).