– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States
Issued: 10 am Thu 18 Sep Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 18 Sep Local Time

Updates in:

hr min s

Update imminent

4 Mount San Antonio Elevations: 4 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 4mm), mostly falling on Thu morning. Warm (max 28°C on Sat afternoon, min 21°C on Thu night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 7mm), mostly falling on Tue night. Warm (max 28°C on Mon afternoon, min 20°C on Sun night). Wind will be generally light.
	Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	risk tstorm	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	some clouds	light rain	rain shwrs
km/h	SSE	SSW	SSW	S	SSW	SSW	SSW	SW	SW	SSW	SW	SSW	SSW	SSW	N	SE	NE	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	2	0.8	0.5	—	—	—	—	—	—	—	—	—	—	—	—	—	1.8	6
max°C	25	27	22	24	26	23	26	28	24	26	27	22	26	28	24	27	28	22
min°C	24	25	21	21	26	21	22	28	22	23	25	20	22	27	23	25	21	21
chill°C	24	25	21	21	26	21	22	28	22	23	25	20	22	27	23	25	21	21

Freezing level (m)	4300	4350	4250	4300	4350	4400	4500	4650	4700	4500	4450	4100	4100	4200	4150	4100	4050	4000
Cloud base (m)	2100	4350	1700	1500	2000	900				6950	6800			3900		6900	1900	2250

	6:35	—	—	6:35	—	—	6:35	—	—	6:37	—	—	6:37	—	—	6:39	—	—
	—	6:52	—	—	6:52	—	—	6:50	—	—	6:49	—	—	6:46	—	—	6:45	—

Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Light rain (total 4mm), mostly falling on Thu morning. Warm (max 28°C on Sat afternoon, min 21°C on Thu night). Wind will be generally light.

Mount San Antonio Weather (Days 3-6):

Light rain (total 7mm), mostly falling on Tue night. Warm (max 28°C on Mon afternoon, min 20°C on Sun 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
Ontario Airport 27 km SSE 715m alt. 3 hours ago	29° C	Dry and partly cloudy.	Light winds from the N (6 kph at 1).	16 km Low: broken Mid: broken
Crestline - CSS 31 km E 1615m alt. 1 hour ago	17° C	-	Severe gales from the S (76 kph at 170).
AJX - CSS 32 km ESE 519m alt. 2 hours ago	29° C	-	Light winds from the WSW (6 kph at 257).
Marshall Peak - CSS 33 km ESE 1211m alt. 1 hour ago	24° C	-	Fresh winds from the S (37 kph at 181).
Chino Airport 34 km S 218m alt. 3 hours ago	31° C	Dry and partly cloudy.	Light winds from the N (6 kph at 1).	16 km Low: broken Mid: broken
Mount Wilson Airport 40 km SW 1311m alt. 2 hours ago		-	Wind obs. (9 kph from 210 degs) was rejected.	0.0 km
Lake Arrowhead 41 km E 1619m alt. 2 hours ago	28° C	Dry	Calm (0 kph at 284).
Victorville Airport 41 km NE 880m alt. 2 hours ago	26° C	-	Moderate winds from the ESE (24 kph at 110).	16 km Low: few
EL Monte Airport 42 km SSW 361m alt. 3 hours ago	30° C	Dry and partly cloudy.	Moderate winds from the SSE (20 kph at 150).	16 km Low: scattered Mid: broken
Riverside Airport 42 km SSE 661m alt. 3 hours ago	31° C	Dry and partly cloudy.	Light winds from the S (19 kph at 170).	16 km Low: few Mid: scattered

* 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.