Island Mountain, CA 4 December Weather

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

Island Mountain, CA

°F

8:30 amPartly Cloudy2mphE

Mon, December 1, 20259:07 AM (GMT -08:00)

Thursday Dec 4 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	39°	38°	39°	44°	56°	59°	51°	45°
wind	3mph	4mph	4mph	3mph	2mph	3mph	1mph	1mph
pressure in	29.57	29.58	29.60	29.64	29.64	29.62	29.64	29.66

Wednesday Dec 4 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	48°	43°	50°	62°	63°	54°	48°
wind	3mph	3mph	3mph	3mph	1mph	3mph	1mph	2mph
pressure in	29.59	29.58	29.59	29.61	29.61	29.59	29.62	29.63

Monday Dec 4 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	51°	49°	53°	60°	61°	56°	51°
wind	2mph	2mph	2mph	3mph	2mph	2mph	1mph	1mph
pressure in	29.69	29.67	29.66	29.67	29.65	29.62	29.63	29.63

* Island Mountain, CA weather for December 4 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 4, 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 4 for previous years is presented.