East Contra Costa, CA 15 December Weather

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

East Contra Costa, CA

°F

9:30 amSunny8mphNW

Wed, December 3, 202510:11 AM (GMT -08:00)

Climatic norm in East Contra Costa, CA Dec 15

39°
46°
54°

minimum
average
maximum

Monday Dec 15 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	46°	45°	48°	53°	55°	50°	48°
wind	3mph	3mph	3mph	4mph	5mph	4mph	4mph	4mph
pressure in	30.05	30.05	30.07	30.09	30.08	30.03	30.03	30.06

Sunday Dec 15 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	43°	41°	39°	44°	48°	52°	46°	43°
wind	3mph	3mph	2mph	5mph	4mph	3mph	2mph	2mph
pressure in	30.26	30.26	30.27	30.30	30.29	30.23	30.23	30.22

Friday Dec 15 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	39°	37°	44°	56°	59°	49°	44°
wind	3mph	3mph	2mph	1mph	4mph	4mph	3mph	2mph
pressure in	30.19	30.19	30.19	30.20	30.15	30.10	30.10	30.10

* East Contra Costa, CA weather for December 15 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 15, 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 15 for previous years is presented.