– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 3 am Tue 21 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Tue 21 Jan Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 5°C on Thu morning, min 3°C on Tue morning). Winds increasing (calm on Tue night, fresh winds from the NNE by Wed night).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 4°C on Fri morning, min -12°C on Sat afternoon). Winds decreasing (gales from the WSW on Fri night, light winds from the NE by Sun morning).
	Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	snow shwrs	light snow	snow shwrs	clear	some clouds	clear
km/h	NNE	NNE	ENE	NNW	N	NNE	NNE	NNE	W	W	WSW	SW	SSW	SW	SW	NE	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	4	4	3	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	3	4	4	4	3	4	5	4	5	4	1	-2	-9	-12	-10	-10	-10	-8
min°C	3	3	4	4	3	4	4	4	4	3	0	-5	-11	-12	-12	-11	-11	-10
chill°C	-2	0	0	2	0	0	-1	0	2	-3	-8	-16	-24	-25	-23	-18	-18	-20

Freezing level (m)	3550	3600	3650	3700	3550	3650	3700	3700	3700	3550	3200	2450	1550	1350	1200	1400	1800	1700
Cloud base (m)	9800			8750	9050					9800	9350	6350	850	850	900	900	1900	1500

	6:54	—	—	6:52	—	—	6:52	—	—	6:52	—	—	6:52	—	—	6:50	—	—
	—	5:08	—	—	5:09	—	—	5:10	—	—	5:12	—	—	5:13	—	—	5:14	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Mostly dry. Mild temperatures (max 5°C on Thu morning, min 3°C on Tue morning). Winds increasing (calm on Tue night, fresh winds from the NNE by Wed night).

Mount San Antonio Weather (Days 3-6):

A moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 4°C on Fri morning, min -12°C on Sat afternoon). Winds decreasing (gales from the WSW on Fri night, light winds from the NE by Sun 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	7° C	Clear	Wind obs. (9 kph from 340 degs) was rejected.	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	10° C	Clear	Light winds from the N (9 kph at 1).	16 km
Palmdale Airport (California) 31 km N 923m alt. 2 hours ago	2° C	Clear	Wind obs. (6 kph from 1 degs) was rejected.	16 km
AJX - CSS 32 km ESE 519m alt. 56 minutes ago	9° C	-	Calm (0 kph at 154).
ZFC: Kl. Matterhorn 32 km ESE 1158m alt. 56 minutes ago		-	Wind obs. (30 kph from 122 degs) was rejected.
Marshall Peak - CSS 33 km ESE 1211m alt. 56 minutes ago	5° C	-	Strong winds from the E (48 kph at 81).
Chino Airport 34 km S 218m alt. 2 hours ago	13° C	Clear	Moderate winds from the ENE (24 kph at 60).	16 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Calm (2 kph at 110).	0.0 km
Lake Arrowhead 41 km E 1619m alt. 2 hours ago		-	Calm (0 kph at 98).
Victorville Airport 41 km NE 880m alt. 1 hour ago	1° C	Clear	Wind obs. (20 kph from 130 degs) was rejected.	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.