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Joice Island, CA - Suisun Slough Marine Weather Forecast

Tonight - 53°F
Apr 01, 2026
7 mph SSW
Slight Chance Light Rain
A slight chance of rain before 5am. Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. South southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday - 65°F
Apr 01, 2026
6 to 17 mph SW
Light Rain
Rain. Mostly cloudy. High near 65, with temperatures falling to around 63 in the afternoon. Southwest wind 6 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 46°F
Apr 01, 2026
7 to 16 mph WSW
Light Rain
Rain before 5am. Mostly cloudy. Low around 46, with temperatures rising to around 48 overnight. West southwest wind 7 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Thursday - 67°F
Apr 02, 2026
7 to 10 mph NW
Sunny
Sunny, with a high near 67. Northwest wind 7 to 10 mph.
Thursday Night - 48°F
Apr 02, 2026
7 to 10 mph NNW
Clear
Clear, with a low around 48. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Friday - 76°F
Apr 03, 2026
9 to 14 mph N
Sunny
Sunny, with a high near 76.
Friday Night - 49°F
Apr 03, 2026
5 to 10 mph N
Mostly Clear
Mostly clear, with a low around 49.
Saturday - 82°F
Apr 04, 2026
5 to 10 mph NE
Sunny
Sunny, with a high near 82.
Saturday Night - 51°F
Apr 04, 2026
5 mph NW
Mostly Clear
Mostly clear, with a low around 51.
Sunday - 84°F
Apr 05, 2026
3 to 8 mph N
Mostly Sunny
Mostly sunny, with a high near 84.
Sunday Night - 52°F
Apr 05, 2026
8 mph WSW
Partly Cloudy
Partly cloudy, with a low around 52.
Monday - 78°F
Apr 06, 2026
6 to 12 mph WSW
Mostly Sunny
Mostly sunny, with a high near 78.
Monday Night - 50°F
Apr 06, 2026
7 to 12 mph WSW
Mostly Clear
Mostly clear, with a low around 50.
Tuesday - 74°F
Apr 07, 2026
6 to 13 mph WSW
Mostly Sunny
Mostly sunny, with a high near 74.

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