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Hercules, CA Marine Weather Forecast

Station DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA

December 23, 2025 4:00 am PST
Location: 38.056N 122.264W
Wind Direction: WSW (250°)
Wind Speed: 2.9 knots
Wind Gust: 4.1 knots
Atmospheric Pressure: 29.80 in (1009.1 mb)
Pressure Tendency: -0.02 in (-0.7 mb)
Air Temperature: 55.8°F (13.2°C)


Overnight - 53°F
Dec 23, 2025
3 mph SSE
Areas Of Fog
Areas of fog and a chance of rain. Cloudy. Low around 53, with temperatures rising to around 55 overnight. South southeast wind around 3 mph. Chance of precipitation is 30%.
Tuesday - 60°F
Dec 23, 2025
3 to 17 mph SSE
Areas Of Fog then Light Rain Likely
Areas of fog and a chance of rain before 8am, then a chance of rain and patchy fog between 8am and 9am, then rain likely and areas of fog. Cloudy. High near 60, with temperatures falling to around 58 in the afternoon. South southeast wind 3 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night - 52°F
Dec 23, 2025
12 to 28 mph SSE
Rain
Rain. Cloudy. Low around 52, with temperatures rising to around 54 overnight. South southeast wind 12 to 28 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday - 57°F
Dec 24, 2025
6 to 21 mph SSW
Light Rain Likely then Showers And Thunderstorms
Rain likely before 8am, then rain and patchy fog between 8am and 4pm, then showers and thunderstorms. Some of the storms could be severe. Cloudy, with a high near 57. South southwest wind 6 to 21 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night - 52°F
Dec 24, 2025
10 to 23 mph SSE
Showers And Thunderstorms
Showers and thunderstorms before 7pm, then rain between 7pm and 4am, then showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 52. South southeast wind 10 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Christmas Day - 54°F
Dec 25, 2025
16 to 23 mph S
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 54. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday Night - 48°F
Dec 25, 2025
16 mph S
Showers And Thunderstorms
Showers and thunderstorms before 4am, then rain. Cloudy, with a low around 48.
Friday - 51°F
Dec 26, 2025
9 to 14 mph S
Light Rain
Rain. Cloudy, with a high near 51.
Friday Night - 45°F
Dec 26, 2025
6 to 9 mph N
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 45.
Saturday - 52°F
Dec 27, 2025
7 mph N
Patchy Fog then Mostly Sunny
Patchy fog and a slight chance of rain before 11am. Mostly sunny, with a high near 52.
Saturday Night - 41°F
Dec 27, 2025
6 mph N
Mostly Clear
Mostly clear, with a low around 41.
Sunday - 50°F
Dec 28, 2025
7 mph NE
Sunny
Sunny, with a high near 50.
Sunday Night - 40°F
Dec 28, 2025
6 mph ENE
Mostly Clear
Mostly clear, with a low around 40.
Monday - 50°F
Dec 29, 2025
7 mph ENE
Mostly Sunny
Mostly sunny, with a high near 50.

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