– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 3 pm Sat 14 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 14 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 Mon afternoon. Freeze-thaw conditions (max 4°C on Sat afternoon, min -6°C on Mon night). Winds increasing (moderate winds from the SSW on Sat afternoon, gales from the S by Mon morning).											Days 5–7 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -1°C on Fri morning, min -7°C on Wed morning). Winds decreasing (stormy winds from the SW on Tue night, light winds from the W by Thu afternoon).
	Sat 14		Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	cloudy	cloudy	some clouds	snow shwrs	heavy snow	snow shwrs	clear	snow shwrs	heavy snow	some clouds	clear	clear	some clouds	some clouds	some clouds
km/h	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	WSW	SW	SW	WSW	W	W	W	W	NNW
See all weather maps
cm	—	—	—	—	—	2	21	7	—	1	18	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	3	1	1	1	-2	-3	-5	-3	-3	-4	-6	-4	-4	-6	-6	-3
min °C	3	1	1	1	-1	-2	-5	-6	-3	-3	-6	-7	-5	-7	-7	-7	-6
chill °C	-3	-6	-6	-5	-8	-10	-16	-17	-10	-12	-18	-16	-13	-14	-14	-13	-13

Freezing level m	3300	3000	2750	2700	2550	2100	1800	1700	1800	1950	1600	1450	1800	1300	1500	1750	1550
Cloud base (m)	8050	7000	6500	6500	900	1450	850	850	900	900	850	900	2100	900	900	1800	950

	—	—	6:35	—	—	6:33	—	—	6:33	—	—	6:31	—	—	6:31	—	—
	5:32	—	—	5:34	—	—	5:35	—	—	5:36	—	—	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 4°C on Sat afternoon, min -6°C on Mon night). Winds increasing (moderate winds from the SSW on Sat afternoon, gales from the S by Mon morning).

Mount San Antonio Weather (Days 3-6):

A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -1°C on Fri morning, min -7°C on Wed morning). Winds decreasing (stormy winds from the SW on Tue night, light winds from the W by Thu 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. 2 hours ago	13° C	Clear	Light winds from the W (11 kph at 270).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	13° C	-	Light winds from the WSW (7 kph at 250).	16 km Low: few
AJX - CSS 32 km ESE 519m alt. 1 hour ago	11° C	-	Calm (0 kph at 33).
Marshall Peak - CSS 33 km ESE 1211m alt. 1 hour ago	8° C	-	Moderate winds from the SSE (24 kph at 154).
Chino Airport 34 km S 218m alt. 2 hours ago	12° C	Clear	Light winds from the WNW (6 kph at 290).	16 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (19 kph from 210 degs) was rejected.	0.0 km
Victorville Airport 41 km NE 880m alt. 2 hours ago	12° C	Clear	Fresh winds from the SE (31 kph at 140).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	14° C	Clear	Calm (0 kph at 0).	16 km
Corona Municipal Airport (California) 43 km S 163m alt. 2 hours ago	13° C	Clear	Light winds from the W (9 kph at 260).	16 km
San Bernardino Airport 43 km ESE 407m alt. 2 hours ago	14° C	Clear	Light winds from the WSW (7 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.