– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 9 pm Sun 15 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sun 15 Feb 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 Tue night. Temperatures will be below freezing (max -1°C on Sun night, min -12°C on Tue night). Winds decreasing (extremely windy from the SSW on Mon morning, fresh winds from the W by Wed afternoon).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 2°C on Sat afternoon, min -11°C on Thu night). Winds decreasing (near gales from the SSW on Thu morning, light winds from the W by Sat morning).
		Monday 16			Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	mod. snow	heavy snow	snow shwrs	clear	snow shwrs	snow shwrs	clear	clear	some clouds	mod. snow	heavy snow	clear	clear	clear	clear	some clouds	cloudy	some clouds
km/h	SSW	SSW	SW	WSW	WSW	SW	SW	W	W	W	SW	WSW	WNW	N	WNW	WNW	W	SW	SSW
See all weather maps
cm	—	10	24	6	—	2	44	—	—	—	9	26	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-3	-8	-8	-7	-9	-8	-10	-7	-6	-9	-9	-9	-3	-2	0	1	2	1
min °C	-4	-4	-9	-9	-8	-9	-12	-12	-9	-9	-9	-10	-11	-5	-2	-1	1	2	-1
chill °C	-14	-16	-22	-22	-20	-22	-26	-24	-19	-19	-21	-20	-21	-14	-9	-7	-2	-2	-7

Freezing level m	2750	2150	1750	1600	1750	1750	1850	1300	1750	1250	1300	1350	1200	1500	2300	2850	3200	3400	3200
Cloud base (m)	1450	900	850	900	900	1450	800	1450	1950	900	900	850	850		7650				5250

	—	6:33	—	—	6:33	—	—	6:31	—	—	6:31	—	—	6:30	—	—	6:28	—	—
	—	—	5:35	—	—	5:36	—	—	5:37	—	—	5:37	—	—	5:37	—	—	5:38	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -1°C on Sun night, min -12°C on Tue night). Winds decreasing (extremely windy from the SSW on Mon morning, fresh winds from the W by Wed afternoon).

Mount San Antonio Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 2°C on Sat afternoon, min -11°C on Thu night). Winds decreasing (near gales from the SSW on Thu morning, light winds from the W by Sat 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. 1 hour ago	10° C	-	Light winds from the NNW (7 kph at 330).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	11° C	Dry and partly cloudy.	Light winds from the WNW (9 kph at 300).	16 km Low: broken Mid: broken
AJX - CSS 32 km ESE 519m alt. 2 hours ago	10° C	-	Calm (4 kph at 98).
Marshall Peak - CSS 33 km ESE 1211m alt. 54 minutes ago	5° C	-	Moderate winds from the SW (24 kph at 229).
Chino Airport 34 km S 218m alt. 2 hours ago	10° C	Clear	Calm (0 kph at 0).	16 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Light winds from the SSE (11 kph at 150).	0.0 km
Victorville Airport 41 km NE 880m alt. 1 hour ago	8° C	Clear	Moderate winds from the S (20 kph at 180).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	12° C	Clear	Calm (0 kph at 0).	16 km
Corona Municipal Airport (California) 43 km S 163m alt. 2 hours ago	10° C	Clear	Calm (0 kph at 0).	16 km
San Bernardino Airport 43 km ESE 407m alt. 1 hour ago	10° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast

* 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.