O'Brien, CA 15 December Weather

Altitude - 382m | 40°48′43″N,122°19′26″W | map (OSM)

O'Brien, CA

°F

1 amClear4mphNW

Wed, December 3, 20251:33 AM (GMT -08:00)

Climatic norm in O'Brien, CA Dec 15

29°
37°
44°

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	41°	40°	38°	40°	46°	48°	44°	41°
wind	2mph	2mph	2mph	2mph	3mph	3mph	3mph	3mph
pressure in	28.72	28.73	28.74	28.77	28.77	28.74	28.75	28.77

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

temperature °F	37°	37°	37°	38°	44°	46°	43°	41°
wind	1mph	1mph	2mph	1mph	2mph	2mph	0mph	0mph
pressure in	28.92	28.93	28.94	28.96	28.94	28.89	28.87	28.84

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

temperature °F	42°	39°	38°	44°	57°	61°	51°	45°
wind	2mph	2mph	2mph	1mph	1mph	2mph	3mph	3mph
pressure in	28.87	28.85	28.86	28.88	28.86	28.82	28.80	28.79

* O'Brien, 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 O'Brien, 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.