– Lat/Long: 34.29° N 117.65° W

Mount San Antonio Weather Forecast

San Gabriel Mountains · United States

Issued: 10 pm Mon 19 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Mon 19 Oct Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 4°C on Mon night, min -2°C on Wed night). Winds increasing (light winds from the S on Mon night, gales from the SSW by Wed night).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -1°C on Thu night). Mainly fresh winds.
		Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	rain shwrs	clear	clear	some clouds	snow shwrs	light snow	snow shwrs	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)						2350	850	1850	1500	900	1850
km/h	S	SSE	SSE	SSE	S	S	SSW	SSW	WSW	W	NNW	NNE	NE	NE	NNE	NE
See all weather maps
cm	—	—	—	—	—	—	10	1	3	—	—	—	—	—	—	—
mm	—	—	0.2	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	3	3	3	2	1	1	-2	-2	1	2	2	2	2	2	4
min °C	3	2	3	3	1	1	-2	-2	-2	-1	2	0	1	1	2	3
chill °C	-2	-4	-2	-4	-6	-7	-11	-10	-8	-7	-2	-5	-5	-4	-2	-2

Freezing level m	3700	3500	3550	3550	3250	3300	3100	2750	2750	3000	3300	3300	3300	3350	3400	3600

	—	6:58	—	—	7:00	—	—	7:01	—	—	7:01	—	—	7:03	—	—
	—	—	6:09	—	—	6:08	—	—	6:07	—	—	6:07	—	—	6:05	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 4°C on Mon night, min -2°C on Wed night). Winds increasing (light winds from the S on Mon night, gales from the SSW by Wed night).

Mount San Antonio Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -1°C on Thu night). Mainly fresh winds.

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	21°C	-	Calm (0 kph at 0).	16 km Low: few
La Vern / rackett-Field Airport 24 km S 207m alt. 4 hours ago	21°C	Clear	Light winds from the WSW (6 kph at 250).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	22°C	Clear	Light winds from the N (6 kph at 1).	16 km
Chino Airport 34 km S 714m alt. 2 hours ago	21°C	Clear	Calm (0 kph at 0).	16 km
Mount Wilson Airport 40 km SW 662m alt. 2 hours ago		-	Light winds from the SSW (6 kph at 210).	0.0 km
Victorville Airport 41 km NE 250m alt. 2 hours ago	19°C	Clear	Light winds from the SE (15 kph at 130).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	21°C	Clear	Light winds from the ESE (6 kph at 110).	16 km
Corona Municipal Airport (California) 43 km S 163m alt. 2 hours ago	19°C	Clear	Calm (0 kph at 0).	16 km
San Bernardino Airport 43 km ESE 407m alt. 2 hours ago	20°C	Clear	Calm (0 kph at 0).	16 km
Placentia wx 48 km S 70m alt. 1 hour ago	21°C	Dry	Calm (0 kph at 228).

* 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.