O'Brien, CA 31 December Weather

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

O'Brien, CA

°F

7:30 amPartly Cloudy4mphSW

Mon, December 22, 20258:06 AM (GMT -08:00)

Climatic norm in O'Brien, CA Dec 31

29°
36°
43°

minimum
average
maximum

Wednesday Dec 31 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	41°	40°	40°	45°	48°	44°	41°
wind	2mph	2mph	2mph	1mph	2mph	2mph	2mph	2mph
pressure in	28.71	28.71	28.72	28.74	28.74	28.72	28.70	28.73

Tuesday Dec 31 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	39°	37°	36°	39°	47°	48°	44°	42°
wind	5mph	4mph	4mph	2mph	1mph	1mph	1mph	1mph
pressure in	28.87	28.84	28.84	28.86	28.84	28.81	28.80	28.81

Sunday Dec 31 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	45°	45°	46°	51°	53°	48°	43°
wind	0mph	0mph	1mph	1mph	1mph	1mph	0mph	2mph
pressure in	28.75	28.74	28.74	28.77	28.78	28.75	28.76	28.77

* O'Brien, CA weather for December 31 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 31, 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 31 for previous years is presented.