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Joice Island, CA - Suisun Slough Marine Weather Forecast

Christmas Day - 57°F
Dec 25, 2025
21 mph S
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 57, with temperatures falling to around 53 in the afternoon. South wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight - 49°F
Dec 25, 2025
16 to 22 mph SSW
Showers And Thunderstorms then Light Rain Likely
Showers and thunderstorms before 10pm, then rain likely between 10pm and 1am. Mostly cloudy. Low around 49, with temperatures rising to around 51 overnight. South southwest wind 16 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday - 55°F
Dec 26, 2025
13 to 21 mph SSE
Light Rain Likely then Chance Showers And Thunderstorms
Rain likely before 4pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 55, with temperatures falling to around 53 in the afternoon. South southeast wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday Night - 45°F
Dec 26, 2025
6 to 13 mph SW
Chance Showers And Thunderstorms then Slight Chance Light Rain
A chance of showers and thunderstorms before 10pm, then a slight chance of rain between 10pm and 4am. Mostly cloudy, with a low around 45. Southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 52°F
Dec 27, 2025
7 mph N
Partly Sunny
Partly sunny, with a high near 52. North wind around 7 mph.
Saturday Night - 40°F
Dec 27, 2025
7 mph NNW
Partly Cloudy
Partly cloudy, with a low around 40.
Sunday - 50°F
Dec 28, 2025
6 to 9 mph NNE
Mostly Sunny
Mostly sunny, with a high near 50.
Sunday Night - 37°F
Dec 28, 2025
6 mph NE
Partly Cloudy
Partly cloudy, with a low around 37.
Monday - 51°F
Dec 29, 2025
6 to 9 mph NE
Mostly Sunny
Mostly sunny, with a high near 51.
Monday Night - 36°F
Dec 29, 2025
2 to 6 mph NE
Partly Cloudy
Partly cloudy, with a low around 36.
Tuesday - 51°F
Dec 30, 2025
7 mph NE
Mostly Sunny
Mostly sunny, with a high near 51.
Tuesday Night - 37°F
Dec 30, 2025
2 to 6 mph NE
Mostly Clear
Mostly clear, with a low around 37.
Wednesday - 51°F
Dec 31, 2025
6 mph ENE
Mostly Sunny
Mostly sunny, with a high near 51.
Wednesday Night - 40°F
Dec 31, 2025
3 mph ENE
Partly Cloudy then Slight Chance Light Rain
A slight chance of rain after 4am. Partly cloudy, with a low around 40.

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