– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 3 am Wed 18 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Wed 18 Feb Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -1°C on Fri night, min -11°C on Wed morning). Winds decreasing (severe gales from the WSW on Thu morning, light winds from the SW by Fri night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Sun night, min -4°C on Sat night). Winds decreasing (strong winds from the SSW on Sat night, light winds from the WSW by Sun morning).
	Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	heavy snow	snow shwrs	some clouds	cloudy	clear	clear	some clouds	cloudy	some clouds	clear	clear	some clouds	some clouds	clear	some clouds
km/h	W	WNW	WNW	WSW	W	WNW	WNW	WNW	W	SSW	SSW	SSW	WNW	W	WSW	SW	WSW	W
See all weather maps
cm	—	—	—	12	4	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-10	-6	-6	-7	-7	-3	-3	-5	-1	-1	-1	-1	0	3	5	5	3	3
min °C	-11	-8	-8	-8	-7	-7	-4	-5	-5	-1	-1	-4	-2	1	4	4	3	2
chill °C	-22	-18	-20	-22	-20	-19	-13	-14	-13	-8	-8	-12	-8	-4	0	-1	-3	-4

Freezing level m	1300	1700	1300	1350	1700	1250	1400	1950	1850	2750	2850	2450	2750	3300	3850	3900	3700	3600
Cloud base (m)	900	1700	900	900	800	900	900	1750	950		6300	3350	2600	2700		7100	6750	3350

	6:31	—	—	6:31	—	—	6:30	—	—	6:28	—	—	6:26	—	—	6:26	—	—
	—	5:37	—	—	5:37	—	—	5:37	—	—	5:38	—	—	5:39	—	—	5:40	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -1°C on Fri night, min -11°C on Wed morning). Winds decreasing (severe gales from the WSW on Thu morning, light winds from the SW by Fri night).

Mount San Antonio Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Sun night, min -4°C on Sat night). Winds decreasing (strong winds from the SSW on Sat night, light winds from the WSW by Sun morning).

This table gives the weather forecast for Mount San Antonio at the specific elevation of 3068 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount San Antonio. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of California.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Upland Cable Airport (California) 19 km S 440m alt. 2 hours ago	8° C	Clear	Light winds from the WSW (15 kph at 250).	16 km
La Vern / rackett-Field Airport 24 km S 207m alt. 2 hours ago	8° C	-	Light winds from the W (19 kph at 260).	16 km Low: few
Ontario Airport 27 km SSE 715m alt. 2 hours ago	8° C	-	Light winds from the SW (13 kph at 230).	16 km Low: few Mid: few
AJX - CSS 32 km ESE 519m alt. 2 hours ago	8° C	-	Light winds from the SSE (19 kph at 151).
Marshall Peak - CSS 33 km ESE 1211m alt. 1 hour ago	2° C	-	Near gales from the SW (52 kph at 232).
Chino Airport 34 km S 218m alt. 2 hours ago	9° C	Dry and partly cloudy.	Light winds from the WSW (13 kph at 250).	16 km Low: scattered
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Light winds from the W (6 kph at 260).	0.0 km
Victorville Airport 41 km NE 880m alt. 2 hours ago	6° C	Clear	Moderate winds from the W (28 kph at 260).	16 km
EL Monte Airport 42 km SSW 361m alt. 2 hours ago	9° C	-	Light winds from the WSW (6 kph at 250).	16 km Low: few
Riverside Airport 42 km SSE 661m alt. 2 hours ago	9° C	Clear	Moderate winds from the WSW (20 kph at 240).	16 km

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.