East Contra Costa, CA 9 December Weather

Altitude - 5m | 37°56′53″N,121°39′11″W | map (OSM)

East Contra Costa, CA

°F

11 amSunny10mphNW

Wed, December 3, 202511:29 AM (GMT -08:00)

Climatic norm in East Contra Costa, CA Dec 9

39°
47°
56°

minimum
average
maximum

Tuesday Dec 9 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	45°	44°	46°	51°	54°	51°	47°
wind	2mph	2mph	2mph	2mph	3mph	3mph	2mph	2mph
pressure in	30.23	30.22	30.22	30.24	30.20	30.15	30.13	30.14

Monday Dec 9 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	43°	40°	40°	46°	56°	60°	49°	44°
wind	4mph	4mph	5mph	5mph	6mph	6mph	4mph	5mph
pressure in	30.12	30.14	30.17	30.20	30.19	30.17	30.19	30.23

Saturday Dec 9 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	42°	37°	45°	55°	57°	48°	42°
wind	5mph	5mph	4mph	3mph	4mph	4mph	2mph	2mph
pressure in	30.23	30.25	30.29	30.33	30.33	30.31	30.32	30.34

* East Contra Costa, CA weather for December 9 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page East Contra Costa, CA Weather for December 9, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 9 for previous years is presented.