Station RCMC1 - 9414863 - Richmond, CA
December 21, 2025 4:18 am PSTLocation: 37.923N 122.41W
Wind Direction: S (170°)
Wind Speed: 7.0 knots
Wind Gust: 12.1 knots
Atmospheric Pressure: 29.95 in (1014.3 mb)
Water Temperature: 54.1°F (12.3°C)
Overnight - 55°F
Dec 21, 2025
14 mph S
Rain
Rain. Cloudy. Low around 55, with temperatures rising to around 57 overnight. South wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday - 59°F
Dec 21, 2025
15 to 22 mph S
Rain
Rain. Cloudy. High near 59, with temperatures falling to around 56 in the afternoon. South wind 15 to 22 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night - 54°F
Dec 21, 2025
7 to 20 mph SSW
Rain
Rain before 5am, then rain and patchy fog. Cloudy, with a low around 54. South southwest wind 7 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday - 56°F
Dec 22, 2025
7 mph W
Rain
Rain and patchy fog. Cloudy, with a high near 56. West wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night - 50°F
Dec 22, 2025
7 mph NNW
Rain
Rain and areas of fog. Cloudy, with a low around 50. North northwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday - 56°F
Dec 23, 2025
7 to 13 mph SE
Rain
Rain and patchy fog. Cloudy, with a high near 56. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night - 49°F
Dec 23, 2025
10 to 16 mph S
Rain
Rain. Cloudy, with a low around 49.
Wednesday - 55°F
Dec 24, 2025
9 to 14 mph S
Rain
Rain. Mostly cloudy, with a high near 55.
Wednesday Night - 51°F
Dec 24, 2025
10 to 17 mph SSE
Rain
Rain. Cloudy, with a low around 51.
Christmas Day - 53°F
Dec 25, 2025
14 to 18 mph SSW
Rain
Rain. Cloudy, with a high near 53.
Thursday Night - 49°F
Dec 25, 2025
10 to 14 mph S
Rain
Rain. Cloudy, with a low around 49.
Friday - 54°F
Dec 26, 2025
12 mph S
Rain
Rain. Mostly cloudy, with a high near 54.
Friday Night - 46°F
Dec 26, 2025
9 mph SE
Light Rain Likely
Rain likely before 7pm, then rain likely and patchy fog. Mostly cloudy, with a low around 46.
Saturday - 53°F
Dec 27, 2025
7 mph NE
Chance Light Rain
A chance of rain and patchy fog before 4pm, then patchy fog and a slight chance of rain. Partly sunny, with a high near 53.

