Your Ultimate Boating Resource

HomeForecastsCalifornia ForecastsSan Jose, CA Marine Weather

San Jose, CA Marine Weather Forecast

Tonight - 51°F
Dec 19, 2025
6 mph SSE
Slight Chance Light Rain
A slight chance of rain before 4am. Mostly cloudy, with a low around 51. South southeast wind around 6 mph. Chance of precipitation is 20%.
Friday - 59°F
Dec 19, 2025
6 to 13 mph S
Light Rain
Rain after 10am. Mostly cloudy, with a high near 59. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Friday Night - 54°F
Dec 19, 2025
5 to 15 mph S
Light Rain
Rain. Cloudy. Low around 54, with temperatures rising to around 56 overnight. South wind 5 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday - 57°F
Dec 20, 2025
3 to 7 mph S
Light Rain
A chance of rain before 7am, then rain and patchy fog. Cloudy, with a high near 57. South wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night - 56°F
Dec 20, 2025
7 to 18 mph S
Light Rain
Rain. Cloudy, with a low around 56. South wind 7 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday - 58°F
Dec 21, 2025
14 to 26 mph S
Showers And Thunderstorms
Rain before 10am, then showers and thunderstorms between 10am and 4pm, then rain. Cloudy, with a high near 58. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night - 54°F
Dec 21, 2025
18 to 35 mph S
Rain
Rain. Cloudy, with a low around 54.
Monday - 56°F
Dec 22, 2025
18 to 26 mph S
Rain
Rain. Cloudy, with a high near 56.
Monday Night - 52°F
Dec 22, 2025
12 to 25 mph SSE
Light Rain
Rain. Cloudy, with a low around 52.
Tuesday - 54°F
Dec 23, 2025
12 to 25 mph SSE
Rain
Rain. Cloudy, with a high near 54.
Tuesday Night - 50°F
Dec 23, 2025
14 to 32 mph S
Rain
Rain. Cloudy, with a low around 50.
Wednesday - 54°F
Dec 24, 2025
14 to 30 mph S
Light Rain
Rain. Mostly cloudy, with a high near 54.
Wednesday Night - 51°F
Dec 24, 2025
20 to 36 mph SSE
Rain
Rain. Mostly cloudy, with a low around 51.
Christmas Day - 53°F
Dec 25, 2025
20 to 33 mph S
Rain
Rain before 5pm. Mostly cloudy, with a high near 53.

Don't Miss