– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 4 pm Mon 10 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Mon 10 Mar Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 12mm), heaviest on Tue afternoon giving way to a moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 11°C on Mon afternoon, min 0°C on Thu morning). Winds increasing (calm on Tue night, fresh winds from the S by Wed night).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 8°C on Sun morning, min -2°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu afternoon, calm by Sat night).
	Mon 10		Tuesday 11			Wednesday 12			Thursday 13			Friday 14			Saturday 15
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	rain shwrs	light snow	mod. rain	rain shwrs	rain shwrs	light rain	heavy snow	snow shwrs	snow shwrs	some clouds	cloudy	cloudy	some clouds	clear	clear	clear
km/h	SSW	S	SSW	SE	SSW	S	SSW	S	SW	W	SW	SSW	SW	WSW	W	W	NW
See all weather maps
cm	—	—	3	—	—	—	—	11	2.0	2.0	—	—	—	—	—	—	—
mm	—	0.1	1.1	6	0.3	0.1	1.1	4	—	—	—	—	—	—	—	—	—
max°C	11	8	2	3	4	4	5	3	0	1	0	-1	0	1	4	7	7
min°C	10	3	2	2	3	4	4	2	0	1	-2	-2	-1	0	3	6	6
chill°C	8	0	-1	-1	0	0	-1	-4	-6	-5	-5	-6	-6	-4	-1	4	4

Freezing level (m)	2850	2400	1900	2050	2400	2600	2300	2000	1500	1550	1300	1300	1550	1700	2950	3000	3600
Cloud base (m)		6150	1750	850	1550	900	850	850	1450	1950	1500	1500	850	850	9400		8900

	—	—	7:05	—	—	7:05	—	—	7:03	—	—	7:01	—	—	7:01	—	—
	6:53	—	—	6:53	—	—	6:54	—	—	6:55	—	—	6:57	—	—	6:58	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Moderate rain (total 12mm), heaviest on Tue afternoon giving way to a moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 11°C on Mon afternoon, min 0°C on Thu morning). Winds increasing (calm on Tue night, fresh winds from the S by Wed night).

Mount San Antonio Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 8°C on Sun morning, min -2°C on Thu night). Winds decreasing (fresh winds from the WSW on Thu afternoon, calm by Sat night).

This table gives the weather forecast for Mount San Antonio at the specific elevation of 1500 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Upland Cable Airport (California) 19 km S 440m alt. 2 hours ago	18° C	Clear	Light winds from the SW (17 kph at 230).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	20° C	Dry and partly cloudy.	Light winds from the WSW (17 kph at 240).	16 km Low: broken
Marshall Peak - CSS 33 km ESE 1211m alt. 1 hour ago	10° C	-	Moderate winds from the SSE (22 kph at 153).
Chino Airport 34 km S 218m alt. 2 hours ago	19° C	Clear	Light winds from the W (17 kph at 280).	16 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (13 kph from 220 degs) was rejected.	0.0 km
Lake Arrowhead 41 km E 1619m alt. 40 minutes ago	9° C	Dry	Calm (0 kph at 281).
Victorville Airport 41 km NE 880m alt. 2 hours ago	17° C	Clear	Fresh winds from the S (31 kph at 180).	16 km
EL Monte Airport 42 km SSW 361m alt. 2 hours ago	21° C	Clear	Light winds from the SSW (11 kph at 200).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	19° C	Clear	Light winds from the WNW (9 kph at 290).	16 km
Corona Municipal Airport (California) 43 km S 163m alt. 2 hours ago	19° 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.