– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 10 pm Mon 15 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Mon 15 Sep Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 38mm), heaviest during Wed night. Warm (max 33°C on Tue afternoon, min 21°C on Wed night). Wind will be generally light.										Days 5–7 Weather Summary Heavy rain (total 22mm), heaviest during Thu night. Warm (max 30°C on Sun afternoon, min 20°C on Thu night). Wind will be generally light.
		Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	cloudy	heavy rain	heavy rain	mod. rain	heavy rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	rain shwrs
km/h	SW	S	WSW	NW	S	SSW	NNE	SSE	S	SSW	SSW	SSW	W	SSW	SW	N	S	SW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	19	12	6	16	5	0.4	—	—	—	—	—	—	0.9
max°C	28	31	33	28	29	28	24	21	22	21	20	23	22	26	27	25	28	30	27
min°C	26	28	33	27	28	26	21	21	21	20	20	22	21	22	27	24	24	30	22
chill°C	26	28	33	27	28	26	21	21	21	20	20	22	21	22	27	24	24	30	22

Freezing level (m)	4750	4600	4750	4700	4650	4750	4350	4300	4300	4250	4200	4400	4350	4250	4350	4600	4600	4550	4450
Cloud base (m)			4450	9300		6750	3150	1500	850	850	850	1650							3400

	—	6:33	—	—	6:33	—	—	6:35	—	—	6:35	—	—	6:35	—	—	6:37	—	—
	—	—	6:55	—	—	6:53	—	—	6:52	—	—	6:52	—	—	6:50	—	—	6:49	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Heavy rain (total 38mm), heaviest during Wed night. Warm (max 33°C on Tue afternoon, min 21°C on Wed night). Wind will be generally light.

Mount San Antonio Weather (Days 3-6):

Heavy rain (total 22mm), heaviest during Thu night. Warm (max 30°C on Sun afternoon, min 20°C on Thu night). Wind will be generally light.

This table gives the weather forecast for Mount San Antonio at the specific elevation of 500 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	25° C	Clear	Light winds from the N (9 kph at 10).	16 km
Ontario Airport 27 km SSE 715m alt. 2 hours ago	24° C	Clear	Calm (0 kph at 0).	16 km
Crestline - CSS 31 km E 1615m alt. 51 minutes ago	19° C	-	Wind obs. (43 kph from 184 degs) was rejected.
AJX - CSS 32 km ESE 519m alt. 2 hours ago	23° C	-	Wind obs. (11 kph from 13 degs) was rejected.
Marshall Peak - CSS 33 km ESE 1211m alt. 51 minutes ago	22° C	-	Calm (0 kph at 113).
Chino Airport 34 km S 218m alt. 2 hours ago	21° C	Clear	Calm (0 kph at 0).	11 km
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (9 kph from 160 degs) was rejected.	0.0 km
Lake Arrowhead 41 km E 1619m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 274).
Victorville Airport 41 km NE 880m alt. 1 hour ago	20° C	Clear	Light winds from the SSW (11 kph at 200).	16 km
Riverside Airport 42 km SSE 661m alt. 2 hours ago	23° 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.