– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 3 pm Fri 13 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Fri 13 Feb Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary Mild at first with light rain (total 4mm) on Mon morning followed by colder weather and light fall of snow, heaviest on Mon morning. Very mild (max 10°C on Fri afternoon, min 2°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the SW by Mon morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 2°C on Tue morning, min -2°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, calm by Wed night).
	Fri 13		Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	some clouds	cloudy	some clouds	rain shwrs	mod. snow	snow shwrs	snow shwrs	some clouds	some clouds	heavy snow	snow shwrs	some clouds	clear
km/h	NW	SE	SSW	S	S	S	SSW	S	SSE	SW	SW	SSW	SW	SSW	WSW	SW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	10	5	1	—	—	17	4	—	—
mm	—	—	—	—	—	—	—	0.1	4	—	—	—	—	—	—	—	—
max °C	10	9	9	8	6	6	6	3	2	1	1	2	1	2	0	-1	-1
min °C	9	7	8	7	4	5	4	2	2	1	0	0	1	0	0	-1	-2
chill °C	8	6	7	4	1	2	0	-2	-4	-5	-6	-5	-5	-6	-7	-7	-4

Freezing level m	2600	3300	3350	3350	3000	2700	2550	2250	2000	1700	1550	1550	1700	1650	1450	1350	1150
Cloud base (m)			7150	8050	7750	6450		1550	850	850	850	900	900	850	850	900	950

	—	—	6:35	—	—	6:35	—	—	6:33	—	—	6:33	—	—	6:31	—	—
	5:31	—	—	5:32	—	—	5:34	—	—	5:35	—	—	5:36	—	—	5:37	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Mild at first with light rain (total 4mm) on Mon morning followed by colder weather and light fall of snow, heaviest on Mon morning. Very mild (max 10°C on Fri afternoon, min 2°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the SW by Mon morning).

Mount San Antonio Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 2°C on Tue morning, min -2°C on Wed night). Winds decreasing (strong winds from the SW on Tue night, calm by Wed 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 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	16° C	Clear	Light winds from the W (11 kph at 260).	16 km
La Vern / rackett-Field Airport 24 km S 207m alt. 2 hours ago	16° C	Clear	Light winds from the WSW (9 kph at 240).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	17° C	Clear	Light winds from the WSW (11 kph at 240).	16 km
AJX - CSS 32 km ESE 519m alt. 45 minutes ago	14° C	-	Light winds from the NE (11 kph at 44).
Marshall Peak - CSS 33 km ESE 1211m alt. 45 minutes ago	11° C	-	Strong winds from the NE (39 kph at 53).
Chino Airport 34 km S 218m alt. 2 hours ago	14° C	-	Light winds from the W (11 kph at 270).	16 km Low: few
Mount Wilson Airport 40 km SW 1311m alt. 1 hour ago		-	Calm (2 kph at 90).	0.0 km
Victorville Airport 41 km NE 880m alt. 1 hour ago	10° C	Clear	Light winds from the WSW (13 kph at 240).	16 km
EL Monte Airport 42 km SSW 361m alt. 2 hours ago	19° C	Clear	Light winds from the SSW (17 kph at 200).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	17° C	Clear	Light winds from the W (9 kph at 270).	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.