– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 9 pm Sat 21 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sat 21 Dec Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat night, min -3°C on Tue afternoon). Winds increasing (moderate winds from the WNW on Mon night, severe gales from the WSW by Tue morning).										Days 5–7 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Thu morning, min -2°C on Tue night). Winds increasing (moderate winds from the NW on Wed afternoon, gales from the NNW by Thu morning).
		Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	clear	some clouds	some clouds	clear	some clouds	some clouds	snow shwrs	clear	clear	clear	some clouds	clear	some clouds	some clouds	clear	clear	clear
km/h	W	W	WNW	NW	NNW	NW	WNW	WSW	WSW	NW	NW	NW	NW	NNW	NNW	WNW	NW	WNW	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	1.0	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	6	5	3	5	5	5	6	3	-2	2	2	3	4	5	5	2	4	4	7
min°C	5	3	2	4	5	5	5	0	-3	-2	2	3	3	5	4	0	2	3	6
chill°C	1	-4	-4	-3	-1	0	-1	-10	-13	-10	-4	-3	-2	-2	-2	-7	-5	-4	0

Freezing level (m)	3900	3800	3450	3750	3900	3800	3950	3500	2650	2850	3350	3550	3650	3750	3700	3200	3450	3650	4050
Cloud base (m)		4750	3400	6050	8200	8500	9150	7900	900		8950	8950		6200	6500		8650

	—	6:52	—	—	6:54	—	—	6:54	—	—	6:54	—	—	6:54	—	—	6:54	—	—
	—	—	4:45	—	—	4:45	—	—	4:45	—	—	4:46	—	—	4:47	—	—	4:47	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A dusting of new snow. Freeze-thaw conditions (max 6°C on Sat night, min -3°C on Tue afternoon). Winds increasing (moderate winds from the WNW on Mon night, severe gales from the WSW by Tue morning).

Mount San Antonio Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Thu morning, min -2°C on Tue night). Winds increasing (moderate winds from the NW on Wed afternoon, gales from the NNW by Thu 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Upland Cable Airport (California) 19 km S 440m alt. 1 hour ago	12° C	Clear	Light winds from the NE (7 kph at 50).	14 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	11° C	Haze -.	Calm (0 kph at 0).	10 km Low: scattered
AJX - CSS 32 km ESE 519m alt. 2 hours ago	14° C	-	Calm (4 kph at 49).
Marshall Peak - CSS 33 km ESE 1211m alt. 50 minutes ago	13° C	-	Calm (4 kph at 242).
Chino Airport 34 km S 218m alt. 2 hours ago	7° C	Mist -.	Calm (0 kph at 0).	6 km
Mount Wilson Airport 40 km SW 1311m alt. 1 hour ago		-	Light winds from the WSW (7 kph at 250).	0.0 km
Victorville Airport 41 km NE 880m alt. 1 hour ago	9° C	Clear	Light winds from the SSE (13 kph at 160).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	9° C	-	Calm (0 kph at 0).	0.0 km
Corona Municipal Airport (California) 43 km S 163m alt. 2 hours ago	5° C	Clear	Calm (0 kph at 0).	11 km
Placentia wx 48 km S 70m alt. 37 minutes ago	6° C	Dry	Calm (0 kph at 278).

* 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.