Los Altos Hills, CA 21 September Weather

Altitude - 75m | 37°22′48″N,122°8′13″W | map (OSM)

Los Altos Hills, CA

°F

11 amPartly Cloudy3mphE

Thu, September 18, 202511:49 AM (GMT -07:00)

Sunday Sep 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	64°	62°	61°	64°	73°	80°	78°	69°
wind	2mph	2mph	2mph	2mph	6mph	10mph	9mph	4mph
pressure in	29.75	29.73	29.73	29.75	29.73	29.68	29.64	29.66

Saturday Sep 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	60°	57°	57°	60°	71°	78°	73°	64°
wind	2mph	3mph	2mph	2mph	4mph	8mph	8mph	4mph
pressure in	29.62	29.61	29.61	29.64	29.62	29.60	29.58	29.64

Thursday Sep 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	58°	57°	55°	59°	70°	74°	70°	62°
wind	4mph	3mph	3mph	2mph	3mph	8mph	9mph	4mph
pressure in	29.57	29.56	29.57	29.63	29.62	29.60	29.60	29.65

Wednesday Sep 21 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	62°	60°	59°	65°	71°	73°	72°	64°
wind	2mph	1mph	1mph	1mph	5mph	10mph	10mph	5mph
pressure in	29.67	29.68	29.68	29.72	29.73	29.71	29.72	29.77

Tuesday Sep 21 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	66°	63°	61°	68°	84°	90°	85°	73°
wind	1mph	1mph	1mph	0mph	3mph	8mph	7mph	3mph
pressure in	29.71	29.71	29.73	29.79	29.80	29.78	29.78	29.82

Monday Sep 21 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	64°	61°	59°	62°	73°	77°	72°	64°
wind	1mph	1mph	1mph	1mph	5mph	10mph	10mph	5mph
pressure in	29.63	29.62	29.64	29.67	29.66	29.64	29.64	29.69

Saturday Sep 21 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	64°	62°	60°	65°	78°	85°	80°	70°
wind	2mph	1mph	1mph	1mph	5mph	11mph	12mph	5mph
pressure in	29.67	29.67	29.68	29.71	29.68	29.64	29.62	29.66

Friday Sep 21 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	63°	60°	58°	64°	78°	82°	76°	63°
wind	1mph	1mph	1mph	3mph	3mph	9mph	9mph	3mph
pressure in	29.61	29.61	29.63	29.69	29.69	29.68	29.66	29.71

* Los Altos Hills, CA weather for September 21 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 Los Altos Hills, CA Weather for September 21, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on September 21 for previous years is presented.