– 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 A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max 0°C on Tue night, min -12°C on Thu morning). Winds increasing (calm on Tue night, severe gales from the WSW by Thu morning).											Days 5–7 Weather Summary A light covering of new snow mostly falling on Thu afternoon. Freeze-thaw conditions (max 4°C on Sat night, min -13°C on Thu afternoon). Winds decreasing (gales from the NW on Fri night, moderate winds from the W by Sun morning).
	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	some clouds	mod. snow	mod. snow	clear	clear	snow shwrs	heavy snow	snow shwrs	snow shwrs	snow shwrs	cloudy	light snow	some clouds	clear	clear	clear
km/h	SSE	S	SSW	SW	W	SW	SSW	SSW	WSW	W	WNW	WNW	WNW	WNW	NW	NW	NW
See all weather maps
cm	—	—	7	6	—	—	1.0	31	7	4	1.0	—	1.0	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	-1	-2	-5	-5	0	-1	-4	-4	-10	-12	-5	-5	-5	-3	0	0	4
min°C	-1	-5	-6	-6	-4	-2	-4	-6	-12	-13	-12	-5	-6	-5	-1	-1	2
chill°C	-8	-14	-16	-14	-4	-11	-14	-17	-26	-26	-22	-15	-17	-16	-11	-10	-6

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: A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max 0°C on Tue night, min -12°C on Thu morning). Winds increasing (calm on Tue night, severe gales from the WSW by Thu morning).

Mount San Antonio Weather (Days 3-6):

A light covering of new snow mostly falling on Thu afternoon. Freeze-thaw conditions (max 4°C on Sat night, min -13°C on Thu afternoon). Winds decreasing (gales from the NW on Fri night, moderate winds from the W 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 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	21° C	Clear	Light winds from the WSW (15 kph at 240).	16 km
La Vern / rackett-Field Airport 24 km S 207m alt. 2 hours ago	21° C	Clear	Moderate winds from the SW (24 kph at 230).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	23° C	Dry and partly cloudy.	Light winds from the WSW (19 kph at 240).	16 km Low: few Mid: broken
Marshall Peak - CSS 33 km ESE 1211m alt. 1 hour ago	16° C	-	Fresh winds from the S (31 kph at 185).
Chino Airport 34 km S 218m alt. 2 hours ago	22° C	Dry and partly cloudy.	Fresh winds from the WSW (30 kph at 240).	16 km Low: broken
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (9 kph from 230 degs) was rejected.	0.0 km
Lake Arrowhead 41 km E 1619m alt. 52 minutes ago	16° C	Dry	Calm (0 kph at 298).
Victorville Airport 41 km NE 880m alt. 1 hour ago	20° C	Clear	Fresh winds from the SSE (37 kph at 150).	16 km
EL Monte Airport 42 km SSW 361m alt. 2 hours ago	23° C	Clear	Light winds from the SSW (15 kph at 200).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago		Clear	Fresh winds from the W (31 kph at 260).	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.