San Geronimo, CA 31 December Weather

Altitude - 157m | 38°0′47″N,122°39′50″W | map (OSM)

San Geronimo, CA

°F

11 amCloudy5mphSW

Mon, December 22, 202512:01 PM (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	47°	46°	44°	46°	50°	52°	49°	47°
wind	4mph	4mph	4mph	5mph	6mph	7mph	4mph	4mph
pressure in	29.48	29.48	29.50	29.53	29.54	29.51	29.49	29.52

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

temperature °F	42°	40°	39°	42°	51°	55°	50°	46°
wind	2mph	2mph	2mph	2mph	3mph	3mph	3mph	1mph
pressure in	29.63	29.61	29.63	29.66	29.66	29.62	29.60	29.63

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

temperature °F	47°	45°	46°	49°	54°	56°	52°	50°
wind	0mph	0mph	1mph	1mph	4mph	5mph	3mph	3mph
pressure in	29.54	29.52	29.52	29.54	29.54	29.51	29.52	29.55

* San Geronimo, 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 San Geronimo, 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.