– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 3 am Fri 13 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Fri 13 Feb Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Fri night, min -3°C on Sun night). Winds increasing (calm on Fri night, near gales from the SSW by Sun night).									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -2°C on Mon morning, min -10°C on Wed afternoon). Winds decreasing (severe gales from the SSW on Mon morning, moderate winds from the NW by Wed night).
	Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	snow shwrs	heavy snow	snow shwrs	mod. snow	snow shwrs	light snow	heavy snow	heavy snow	snow shwrs	clear
km/h	NNE	NNW	NNE	SW	SSW	SSW	SSW	SSW	SSW	SSW	WSW	SW	SW	SW	SW	SW	W	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	2	30	5	6	2	3	17	18	3	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	1	2	4	4	4	3	1	0	0	-2	-6	-6	-6	-6	-5	-5	-9	-2
min °C	0	1	3	4	3	1	1	0	-3	-5	-7	-6	-6	-6	-6	-6	-10	-9
chill °C	-3	-3	-1	1	-3	-6	-6	-7	-12	-16	-18	-17	-17	-16	-17	-18	-20	-18

Freezing level m	2550	2600	3150	3300	3250	3100	2700	2550	2200	2200	1600	1500	1500	1600	1550	1750	1300	1100
Cloud base (m)				8050	8250	900	6150		900	800	850	850	900	900	850	850	850

	6:37	—	—	6:35	—	—	6:35	—	—	6:33	—	—	6:33	—	—	6:31	—	—
	—	5:31	—	—	5:32	—	—	5:34	—	—	5:35	—	—	5:36	—	—	5:37	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Fri night, min -3°C on Sun night). Winds increasing (calm on Fri night, near gales from the SSW by Sun night).

Mount San Antonio Weather (Days 3-6):

A heavy fall of snow, heaviest during Mon morning. Temperatures will be below freezing (max -2°C on Mon morning, min -10°C on Wed afternoon). Winds decreasing (severe gales from the SSW on Mon morning, moderate winds from the NW 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 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	9° C	Clear	Light winds from the N (7 kph at 350).	16 km
Ontario Airport 27 km SSE 715m alt. 3 hours ago	10° C	-	Light winds from the N (6 kph at 350).	16 km Low: few
AJX - CSS 32 km ESE 519m alt. 2 hours ago	14° C	-	Severe gales from the NNE (83 kph at 18).
Marshall Peak - CSS 33 km ESE 1211m alt. 2 hours ago	8° C	-	Wind obs. (91 kph from 43 degs) was rejected.
Chino Airport 34 km S 218m alt. 3 hours ago	8° C	Clear	Calm (0 kph at 0).	13 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Calm (4 kph at 40).	0.0 km
Victorville Airport 41 km NE 880m alt. 55 minutes ago	2° C	Clear	Light winds from the S (13 kph at 180).	16 km
Riverside Airport 42 km SSE 661m alt. 3 hours ago	9° C	Clear	Calm (0 kph at 0).	16 km
Corona Municipal Airport (California) 43 km S 163m alt. 3 hours ago	5° C	Clear	Calm (0 kph at 0).	16 km
San Bernardino Airport 43 km ESE 407m alt. 2 hours ago	8° C	Clear	Wind obs. (6 kph from 60 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.