– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 9 pm Fri 13 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Fri 13 Feb Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 2°C on Fri night, min -9°C on Mon afternoon). Winds increasing (calm on Fri night, severe gales from the SSW by Mon morning).										Days 5–7 Weather Summary A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -7°C on Tue morning, min -12°C on Tue night). Winds decreasing (extremely windy from the SW on Tue night, moderate winds from the WNW by Thu morning).
		Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds	heavy snow	heavy snow	snow shwrs	clear	clear	snow shwrs	clear	clear	clear	some clouds	clear	clear
km/h	NNE	SW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	W	WSW	SW	W	W	W	WNW	WNW	NW
See all weather maps
cm	—	—	—	—	—	—	—	15	28	8	—	—	47	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	2	2	1	-1	-1	-1	-5	-8	-8	-7	-9	-8	-11	-8	-8	-9	-7	-2
min °C	0	2	1	-1	-2	-2	-4	-5	-9	-10	-8	-10	-12	-12	-10	-9	-11	-11	-6
chill °C	-5	-3	-6	-10	-11	-10	-14	-17	-22	-23	-21	-24	-25	-23	-20	-18	-19	-20	-13

Freezing level m	3300	3350	3350	3000	2750	2650	2600	2000	1650	1450	1700	1700	1800	1350	1700	1300	1450	1600	1950
Cloud base (m)		8000	8000		6750	6500	900	850	850	850	900	1500	850	900	1950	900	900	1550

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

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 2°C on Fri night, min -9°C on Mon afternoon). Winds increasing (calm on Fri night, severe gales from the SSW by Mon morning).

Mount San Antonio Weather (Days 3-6):

A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -7°C on Tue morning, min -12°C on Tue night). Winds decreasing (extremely windy from the SW on Tue night, moderate winds from the WNW 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Upland Cable Airport (California) 19 km S 440m alt. 1 hour ago	10° C	Clear	Light winds from the NE (7 kph at 40).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	11° C	Clear	Calm (0 kph at 0).	16 km
AJX - CSS 32 km ESE 519m alt. 52 minutes ago	9° C	-	Calm (0 kph at 19).
Marshall Peak - CSS 33 km ESE 1211m alt. 52 minutes ago	8° C	-	Calm (4 kph at 112).
Chino Airport 34 km S 218m alt. 2 hours ago	8° C	Clear	Calm (0 kph at 0).	14 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (7 kph from 210 degs) was rejected.	0.0 km
Victorville Airport 41 km NE 880m alt. 1 hour ago	3° C	Clear	Light winds from the SSE (13 kph at 150).	14 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	9° C	Clear	Light winds from the SE (7 kph at 140).	16 km
Corona Municipal Airport (California) 43 km S 163m alt. 2 hours ago	9° C	Clear	Light winds from the ESE (7 kph at 110).	16 km
San Bernardino Airport 43 km ESE 407m alt. 1 hour ago	9° C	Clear	Calm (0 kph at 0).	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.