– Lat/Long: 34.29° N 117.65° W

Mount San Antonio Weather Forecast

San Gabriel Mountains · United States

Issued: 10 pm Tue 20 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Tue 20 Oct Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 4°C on Tue night, min -3°C on Thu morning). Winds decreasing (gales from the S on Wed afternoon, light winds from the NW by Fri morning).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 8°C on Mon morning, min 0°C on Fri night). Wind will be generally light.
		Wednesday 21			Thursday 22			Friday 23			Saturday 24			Sunday 25
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	snow shwrs	clear	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)			2450	850	950	2300	950	900	1950							9650
km/h	SSE	SSE	S	SSW	SSW	WSW	W	NW	N	NE	NNE	NNE	N	NNE	NNE	NNE
See all weather maps
cm	—	—	—	14	—	2	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	3	1	1	-2	-3	-1	1	0	1	2	2	5	5	5	7
min °C	2	1	1	-1	-3	-3	-2	0	-1	0	1	1	3	5	5	6
chill °C	-5	-7	-6	-10	-10	-10	-9	-3	-5	-5	-4	-4	-2	1	2	5

Freezing level m	3500	3300	3300	2950	2700	2650	2750	3150	2950	3250	3300	3300	3500	3800	3850	4050

	—	7:00	—	—	7:01	—	—	7:01	—	—	7:03	—	—	7:03	—	—
	—	—	6:08	—	—	6:07	—	—	6:07	—	—	6:05	—	—	6:04	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A moderate fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 4°C on Tue night, min -3°C on Thu morning). Winds decreasing (gales from the S on Wed afternoon, light winds from the NW by Fri morning).

Mount San Antonio Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 8°C on Mon morning, min 0°C on Fri night). Wind will be generally light.

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. 2 hours ago	18°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: overcast
Ontario Airport 27 km SSE 715m alt. 2 hours ago	18°C	Dry and partly cloudy.	Light winds from the WSW (9 kph at 250).	16 km Low: few Mid: scattered
Chino Airport 34 km S 218m alt. 2 hours ago	18°C	Dry and partly cloudy.	Light winds from the W (6 kph at 270).	16 km Low: broken Mid: broken
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (9 kph from 210 degs) was rejected.	0.0 km
Victorville Airport 41 km NE 880m alt. 2 hours ago	18°C	Clear	Light winds from the ESE (13 kph at 120).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	18°C	Dry and partly cloudy.	Light winds from the W (6 kph at 260).	16 km Low: scattered
Corona Municipal Airport (California) 43 km S 163m alt. 2 hours ago	17°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
San Bernardino Airport 43 km ESE 407m alt. 2 hours ago	18°C	Clear	Calm (0 kph at 0).	16 km
Placentia wx 48 km S 70m alt. 2 hours ago	22°C	Dry	Calm (0 kph at 0).
Anaheim 49 km S 203.6m alt. 1 hour ago		-	Calm (0 kph at 316).

* 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.