– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 3 am Thu 01 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 01 Jan Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Thu morning. Freeze-thaw conditions (max 4°C on Fri morning, min -2°C on Thu morning). Winds decreasing (gales from the SSW on Thu morning, moderate winds from the WSW by Fri morning).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -1°C on Sun afternoon, min -5°C on Mon morning). Winds decreasing (gales from the SSW on Sun afternoon, moderate winds from the SE by Tue night).
	Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	light snow	mod. snow	mod. snow	snow shwrs	snow shwrs	snow shwrs	snow shwrs	snow shwrs	heavy snow	snow shwrs
km/h	SSW	SW	W	WSW	SW	SSW	SW	SW	SSW	SSW	SW	SW	SSW	SSW	SSW	S	S	SSE
See all weather maps
cm	4	—	—	—	—	—	—	—	2	6	9	1	1	2	4	3	13	10
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	1	3	4	4	3	-1	-1	-2	-2	-1	-3	-4	-3	-3	-4	-4	-4
min °C	-2	0	1	4	4	0	-1	-1	-2	-2	-3	-4	-5	-4	-4	-4	-4	-5
chill °C	-11	-8	-6	0	-2	-7	-9	-9	-10	-12	-14	-13	-14	-13	-13	-13	-12	-14

Freezing level m	2850	3000	3400	3650	3600	3550	2950	2900	2700	2800	2850	2400	2350	2450	2500	2500	2450	2400
Cloud base (m)	900	850	900	9500	6750	2000	1600	900	850	850	850	950	1550	950	900	900	900	850

	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—
	—	4:51	—	—	4:52	—	—	4:52	—	—	4:53	—	—	4:54	—	—	4:54	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A light covering of new snow mostly falling on Thu morning. Freeze-thaw conditions (max 4°C on Fri morning, min -2°C on Thu morning). Winds decreasing (gales from the SSW on Thu morning, moderate winds from the WSW by Fri morning).

Mount San Antonio Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -1°C on Sun afternoon, min -5°C on Mon morning). Winds decreasing (gales from the SSW on Sun afternoon, moderate winds from the SE by Tue night).

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	14° C	Mist -.	Light winds from the E (17 kph at 80).	3 km Low: overcast
La Vern / rackett-Field Airport 24 km S 207m alt. 2 hours ago	14° C	Dry and cloudy.	Light winds from the ESE (9 kph at 110).	0.0 km High: overcast
Ontario Airport 27 km SSE 715m alt. 1 hour ago	14° C	Shower - in the vicinity.	Light winds from the NE (9 kph at 40).	11 km Low: few Mid: scattered High: overcast
Crestline - CSS 31 km E 1615m alt. 43 minutes ago	9° C	-	Calm (0 kph at 0).
AJX - CSS 32 km ESE 519m alt. 43 minutes ago	15° C	-	Moderate winds from the ESE (26 kph at 112).
Marshall Peak - CSS 33 km ESE 1211m alt. 2 hours ago	11° C	-	Strong winds from the SSW (48 kph at 194).
Chino Airport 34 km S 218m alt. 2 hours ago	14° C	-	Light winds from the NE (6 kph at 40).	0.0 km High: scattered
Mount Wilson Airport 40 km SW 1311m alt. 1 hour ago		-	Wind obs. (26 kph from 230 degs) was rejected.	0.0 km
Lake Arrowhead 41 km E 1619m alt. 1 hour ago		-	Calm (0 kph at 281).
Victorville Airport 41 km NE 880m alt. 1 hour ago	7° C	Light rain .	Light winds from the NNW (11 kph at 330).	2 km Mid: 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.