East Contra Costa, CA 21 May Weather

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

East Contra Costa, CA

°F

2 amClear12mphSW

Sun, May 11, 20252:48 AM (GMT -07:00)

Climatic norm in East Contra Costa, CA May 21

54°
67°
80°

minimum
average
maximum

Wednesday May 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	66°	62°	61°	70°	82°	87°	84°	71°
wind	9mph	7mph	6mph	8mph	10mph	11mph	13mph	10mph
pressure in	29.89	29.89	29.89	29.90	29.89	29.85	29.85	29.89

Tuesday May 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	60°	58°	56°	67°	80°	86°	83°	70°
wind	7mph	8mph	6mph	9mph	10mph	10mph	12mph	10mph
pressure in	29.88	29.89	29.91	29.93	29.90	29.86	29.84	29.86

* East Contra Costa, CA weather for May 21 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 May 21, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on May 21 for previous years is presented.