– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 3 am Sun 15 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 15 Feb Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 2°C on Sun morning, min -7°C on Tue night). Mainly stormy winds.									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max 0°C on Fri morning, min -7°C on Thu morning). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the W by Fri afternoon).
	Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19			Friday 20
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	light snow	heavy snow	snow shwrs	some clouds	snow shwrs	snow shwrs	some clouds	some clouds	some clouds	heavy snow	heavy snow	clear	some clouds	cloudy	some clouds
km/h	SSW	SSW	SSW	S	SW	SW	WSW	SW	SW	WSW	W	WSW	SSW	SW	NW	WNW	W	WNW
See all weather maps
cm	—	—	—	4	18	4	—	2	24	—	—	—	12	11	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	1	0	-1	-4	-5	-4	-4	-4	-4	-4	-5	-6	-5	-1	0	-1	-2
min °C	1	1	-2	-1	-6	-6	-4	-6	-7	-5	-4	-6	-7	-5	-5	-1	-2	-3
chill °C	-6	-5	-10	-9	-17	-17	-12	-17	-18	-14	-12	-14	-16	-13	-11	-6	-6	-8

Freezing level m	2800	2750	2500	2150	1800	1600	1700	1800	1850	1400	1750	1350	1300	1450	1550	1800	2350	1900
Cloud base (m)	6500	6500	1500	1450	850	850	900	900	850	900	1750	900	1450	850	850	950	1750	1700

	6:35	—	—	6:33	—	—	6:33	—	—	6:31	—	—	6:31	—	—	6:30	—	—
	—	5:34	—	—	5:35	—	—	5:36	—	—	5:37	—	—	5:37	—	—	5:37	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 2°C on Sun morning, min -7°C on Tue night). Mainly stormy winds.

Mount San Antonio Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max 0°C on Fri morning, min -7°C on Thu morning). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the W by Fri afternoon).

This table gives the weather forecast for Mount San Antonio at the specific elevation of 2500 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	13° C	Clear	Light winds from the ESE (9 kph at 110).	16 km
La Vern / rackett-Field Airport 24 km S 207m alt. 2 hours ago	13° C	Dry and partly cloudy.	Light winds from the N (9 kph at 1).	11 km Low: scattered
Ontario Airport 27 km SSE 715m alt. 2 hours ago	13° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: overcast
Crestline - CSS 31 km E 1615m alt. 50 minutes ago	5° C	-	Calm (0 kph at 0).
AJX - CSS 32 km ESE 519m alt. 2 hours ago	16° C	-	Light winds from the SE (9 kph at 142).
Marshall Peak - CSS 33 km ESE 1211m alt. 50 minutes ago	13° C	-	Light winds from the SSW (19 kph at 206).
Chino Airport 34 km S 218m alt. 2 hours ago	13° C	Dry and partly cloudy.	Light winds from the ESE (7 kph at 120).	11 km Low: scattered Mid: broken
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Light winds from the SE (13 kph at 140).	0.0 km
Victorville Airport 41 km NE 880m alt. 1 hour ago	9° C	Clear	Light winds from the NNW (13 kph at 330).	16 km
EL Monte Airport 42 km SSW 361m alt. 2 hours ago	14° C	-	Light winds from the E (7 kph at 80).	16 km Low: few

* 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.