– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 9 pm Thu 01 Jan Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Thu 01 Jan Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 4°C on Thu night, min -4°C on Sat night). Winds increasing (moderate winds from the SW on Fri morning, gales from the SW by Sat afternoon).										Days 5–7 Weather Summary A dusting of new snow. Temperatures will be below freezing (max -3°C on Sun night, min -6°C on Tue afternoon). Winds decreasing (strong winds from the SW on Sun night, calm by Tue night).
		Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6			Wednesday 7
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	clear	some clouds	some clouds	some clouds	light snow	snow shwrs	snow shwrs	light snow	snow shwrs	clear	clear	some clouds	cloudy	some clouds	clear	some clouds	clear	clear
km/h	WSW	SW	SW	SSW	SW	SW	SW	SSW	SW	SW	SW	SW	SW	S	S	WSW	W	WNW	WNW
See all weather maps
cm	—	—	—	—	—	1	4	2	2	1	—	—	—	—	—	—	—	—	—
mm	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	4	4	4	3	-1	-1	-2	-4	-3	-3	-3	-4	-4	-5	-6	-4	-4	-4	-4
min °C	2	4	3	0	-1	-1	-4	-4	-4	-5	-4	-4	-5	-5	-6	-5	-5	-5	-5
chill °C	-5	-1	-3	-8	-9	-11	-14	-14	-14	-15	-12	-12	-13	-10	-13	-10	-14	-14	-14

Freezing level m	3450	3650	3550	3450	2950	2900	2650	2450	2450	2300	2400	2350	2150	2200	2250	2300	2250	2250	2200
Cloud base (m)	950			1800	950	900	850	1550	1750	2000	1500	1900	900	2700	3100	2400	2150	1900	1900

	—	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: A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 4°C on Thu night, min -4°C on Sat night). Winds increasing (moderate winds from the SW on Fri morning, gales from the SW by Sat afternoon).

Mount San Antonio Weather (Days 3-6):

A dusting of new snow. Temperatures will be below freezing (max -3°C on Sun night, min -6°C on Tue afternoon). Winds decreasing (strong winds from the SW on Sun night, calm 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	12° C	Dry and cloudy.	Light winds from the ENE (6 kph at 70).	16 km Low: broken Mid: overcast
Ontario Airport 27 km SSE 715m alt. 2 hours ago	12° C	Dry and cloudy.	Calm (0 kph at 0).	11 km Low: few Mid: broken High: overcast
Crestline - CSS 31 km E 1615m alt. 55 minutes ago	6° C	-	Calm (0 kph at 0).
AJX - CSS 32 km ESE 519m alt. 55 minutes ago	11° C	-	Light winds from the E (6 kph at 81).
Marshall Peak - CSS 33 km ESE 1211m alt. 55 minutes ago	9° C	-	Moderate winds from the SE (24 kph at 133).
Chino Airport 34 km S 218m alt. 2 hours ago		Fog -.	Calm (0 kph at 0).	0 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (17 kph from 240 degs) was rejected.	0.0 km
Lake Arrowhead 41 km E 1619m alt. 2 hours ago		-	Calm (0 kph at 290).
Victorville Airport 41 km NE 880m alt. 1 hour ago	4° C	Clear	Light winds from the S (7 kph at 180).	11 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	12° C	Dry and cloudy.	Calm (0 kph at 0).	13 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.