Island Mountain, CA 31 December Weather

Altitude - 165m | 40°1′34″N,123°29′24″W | map (OSM)

Island Mountain, CA

°F

2 amRain Shower11mphSE

Fri, December 26, 20252:43 AM (GMT -08:00)

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

temperature °F	40°	39°	40°	44°	54°	57°	51°	46°
wind	4mph	4mph	4mph	4mph	2mph	2mph	2mph	3mph
pressure in	29.52	29.50	29.50	29.49	29.46	29.42	29.40	29.40

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

temperature °F	34°	36°	34°	38°	46°	48°	44°	43°
wind	3mph	2mph	1mph	1mph	1mph	2mph	0mph	1mph
pressure in	29.65	29.63	29.63	29.65	29.64	29.61	29.61	29.62

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

temperature °F	44°	44°	42°	44°	50°	53°	48°	45°
wind	2mph	1mph	2mph	2mph	1mph	2mph	1mph	0mph
pressure in	29.51	29.49	29.49	29.51	29.51	29.48	29.50	29.55

* Island Mountain, 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 Island Mountain, 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.