Happy Valley, CA 18 December Weather

Altitude - 1065m | 38°40′55″N,120°33′47″W | map (OSM)

Happy Valley, CA

°F

10:30 amSunny2mphNW

Sun, December 14, 202511:08 AM (GMT -08:00)

Thursday Dec 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	47°	47°	47°	50°	54°	53°	50°	48°
wind	3mph	3mph	3mph	2mph	3mph	2mph	2mph	3mph
pressure in	26.49	26.48	26.49	26.51	26.51	26.47	26.45	26.45

Wednesday Dec 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	42°	43°	39°	47°	60°	58°	49°	46°
wind	4mph	5mph	5mph	4mph	1mph	1mph	3mph	5mph
pressure in	26.59	26.60	26.56	26.61	26.63	26.58	26.53	26.52

Monday Dec 18 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	49°	51°	47°	48°	47°	47°	48°	48°
wind	4mph	3mph	6mph	8mph	10mph	9mph	10mph	11mph
pressure in	26.35	26.35	26.30	26.31	26.27	26.22	26.22	26.23

* Happy Valley, CA weather for December 18 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 Happy Valley, CA Weather for December 18, 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 18 for previous years is presented.