– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 9 am Fri 02 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Fri 02 Jan Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary Drizzle on Fri night turning to light snow on Sun night. Freeze-thaw conditions (max 5°C on Fri morning, min -2°C on Sun night). Winds increasing (light winds from the SW on Fri morning, strong winds from the SSW by Sun afternoon).									Days 4–6 Weather Summary A moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -1°C on Mon morning, min -6°C on Wed night). Winds increasing (calm on Tue night, near gales from the WNW by Wed night).
	Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6			Wednesday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	rain shwrs	rain shwrs	light snow	snow shwrs	some clouds	cloudy	snow shwrs	clear	some clouds	some clouds	cloudy	light snow	mod. snow	some clouds	snow shwrs	clear
km/h	SW	SSW	SSW	SW	SW	SSW	SSW	SW	SW	SSW	SSW	SSW	S	S	SSE	NW	W	WNW
See all weather maps
cm	—	—	—	—	2	2	—	—	4	—	—	—	—	2	7	—	1	—
mm	—	—	0.8	0.2	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	5	5	2	2	1	0	-1	-1	-1	-1	-2	-1	-1	-1	-1	-1	-2
min °C	5	5	2	2	1	0	-1	-1	-2	-1	-2	-2	-2	-1	-2	-1	-2	-6
chill °C	1	0	-4	-4	-6	-7	-8	-9	-10	-8	-9	-9	-10	-7	-2	-5	-9	-15

Freezing level m	3700	3500	3350	3000	2850	2600	2450	2400	2200	2250	2300	2100	2250	2350	2400	2350	2250	2050
Cloud base (m)	950	1850	900	1800	900	850	950	1550	900	950	1800	1500	2000	850	1500	850	1450	850

	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—
	—	4:52	—	—	4:52	—	—	4:53	—	—	4:54	—	—	4:54	—	—	4:55	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Drizzle on Fri night turning to light snow on Sun night. Freeze-thaw conditions (max 5°C on Fri morning, min -2°C on Sun night). Winds increasing (light winds from the SW on Fri morning, strong winds from the SSW by Sun afternoon).

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 Mon morning, min -6°C on Wed night). Winds increasing (calm on Tue night, near gales from the WNW by Wed night).

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 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	17° C	Dry and cloudy.	Light winds from the ESE (15 kph at 120).	16 km Low: broken Mid: broken High: overcast
La Vern / rackett-Field Airport 24 km S 207m alt. 2 hours ago	17° C	Dry and partly cloudy.	Light winds from the E (13 kph at 90).	16 km Low: broken
Ontario Airport 27 km SSE 715m alt. 2 hours ago	17° C	Dry and cloudy.	Light winds from the NE (6 kph at 50).	16 km Low: broken Mid: overcast
Crestline - CSS 31 km E 1615m alt. 51 minutes ago	8° C	-	Calm (0 kph at 0).
AJX - CSS 32 km ESE 519m alt. 51 minutes ago	17° C	-	Light winds from the WSW (13 kph at 249).
Marshall Peak - CSS 33 km ESE 1211m alt. 51 minutes ago	13° C	-	Light winds from the S (17 kph at 170).
Chino Airport 34 km S 218m alt. 2 hours ago	15° C	Dry and partly cloudy.	Wind obs. (6 kph from 1 degs) was rejected.	16 km Low: broken Mid: broken
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (11 kph from 220 degs) was rejected.	0.0 km
Lake Arrowhead 41 km E 1619m alt. 48 minutes ago	4° C	Dry	Calm (0 kph at 290).
Victorville Airport 41 km NE 880m alt. 1 hour ago	7° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast

* 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.