– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 9 am Tue 17 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Tue 17 Feb Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary Mild at first with light rain (total 10mm) on Tue night followed by colder weather and light fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 2°C on Tue morning, min -3°C on Thu night). Winds decreasing (gales from the SW on Tue night, calm by Thu night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min 0°C on Fri morning). Wind will be generally light.
	Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	light snow	snow shwrs	some clouds	some clouds	some clouds	light snow	snow shwrs	some clouds	some clouds	clear	clear	some clouds	some clouds	rain shwrs	clear	clear	clear
km/h	SSW	SW	SW	WSW	WSW	S	SSW	SW	WSW	NNW	SSW	E	ESE	S	S	SE	SSW	SW
See all weather maps
cm	—	1	7	—	—	—	3	4	—	—	—	—	—	—	—	—	—	—
mm	—	—	10	—	—	—	—	—	—	—	—	—	—	—	0.3	—	—	—
max °C	2	2	2	0	1	-1	-1	0	-2	2	3	4	6	7	6	8	9	9
min °C	1	1	-2	-1	0	-2	-1	0	-3	0	2	1	5	7	3	6	8	8
chill °C	-4	-6	-8	-6	-3	-6	-6	-6	-6	0	0	-1	4	5	1	5	7	7

Freezing level m	1700	1750	1850	1300	1600	1250	1300	1600	1100	1450	2400	2150	2800	2900	2350	2900	3100	3350
Cloud base (m)	900	900	800	1550	1900	1800	900	800	900	6250	2050	1750	8700	6950	900	2100		8550

	6:33	—	—	6:31	—	—	6:31	—	—	6:30	—	—	6:28	—	—	6:26	—	—
	—	5:36	—	—	5:37	—	—	5:37	—	—	5:37	—	—	5:38	—	—	5:39	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Mild at first with light rain (total 10mm) on Tue night followed by colder weather and light fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 2°C on Tue morning, min -3°C on Thu night). Winds decreasing (gales from the SW on Tue night, calm by Thu night).

Mount San Antonio Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min 0°C on Fri morning). Wind will be generally light.

This table gives the weather forecast for Mount San Antonio at the specific elevation of 1500 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	10° C	Dry and partly cloudy.	Wind obs. (9 kph from 1 degs) was rejected.	16 km Low: scattered Mid: broken High: broken
La Vern / rackett-Field Airport 24 km S 207m alt. 3 hours ago	10° C	Dry and cloudy.	Calm (0 kph at 0).	0.0 km Mid: broken High: overcast
Ontario Airport 27 km SSE 715m alt. 3 hours ago	11° C	Light rain .	Light winds from the SSW (9 kph at 200).	10 km Low: scattered Mid: broken High: overcast
AJX - CSS 32 km ESE 519m alt. 2 hours ago	8° C	-	Wind obs. (31 kph from 102 degs) was rejected.
Marshall Peak - CSS 33 km ESE 1211m alt. 2 hours ago	4° C	-	Near gales from the S (57 kph at 178).
Chino Airport 34 km S 218m alt. 3 hours ago	12° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: few Mid: scattered High: overcast
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Moderate winds from the SW (20 kph at 230).	0.0 km
Victorville Airport 41 km NE 880m alt. 2 hours ago	12° C	Clear	Fresh winds from the S (37 kph at 170).	16 km
Riverside Airport 42 km SSE 661m alt. 3 hours ago	12° C	Light rain .	Light winds from the WNW (6 kph at 290).	13 km Low: broken Mid: overcast
EL Monte Airport 42 km SSW 361m alt. 3 hours ago		-	Light winds from the NE (7 kph at 40).	5 km Low: scattered Mid: broken High: 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.