– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Wed 21 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Wed 21 Oct Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 20mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 5°C on Wed afternoon, min -1°C on Thu morning). Winds decreasing (near gales from the S on Wed night, light winds from the WNW by Fri morning).											Days 5–7 Weather Summary Mostly dry. Very mild (max 11°C on Mon afternoon, min 4°C on Sat afternoon). Wind will be generally light.
	Wed 21		Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	snow shwrs	snow shwrs	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	2450	750	1650	1750	850	900	1850						9400	8700		9650
km/h	S	S	SSW	SW	W	WNW	N	NE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NNE	ENE
See all weather maps
cm	—	—	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.5	19	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	5	4	0	0	1	3	2	3	4	5	7	8	9	10	10	11	11
min °C	4	1	-1	0	0	1	1	1	4	4	6	7	8	9	10	11	11
chill °C	-2	-7	-8	-7	-6	-2	-2	-4	-1	0	2	3	6	7	9	11	10

Freezing level m	3300	3050	2550	2650	2800	3200	2800	3000	3350	3400	3500	3900	3900	4150	4200	4300	4400

	—	—	7:01	—	—	7:01	—	—	7:01	—	—	7:03	—	—	7:03	—	—
	6:08	—	—	6:07	—	—	6:07	—	—	6:05	—	—	6:04	—	—	6:02	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Moderate rain (total 20mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 5°C on Wed afternoon, min -1°C on Thu morning). Winds decreasing (near gales from the S on Wed night, light winds from the WNW by Fri morning).

Ontario Peak Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Mon afternoon, min 4°C on Sat afternoon). Wind will be generally light.

This table gives the weather forecast for Ontario Peak at the specific elevation of 2649 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Ontario Peak. 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) 14 km S 440m alt. 2 hours ago	18°C	Light rain .	Wind obs. (13 kph from 50 degs) was rejected.	8 km Low: few Mid: broken High: overcast
La Vern / rackett-Field Airport 19 km SSW 207m alt. 2 hours ago	18°C	Moderate rain .	Wind obs. (7 kph from 1 degs) was rejected.	3 km Low: scattered Mid: broken High: overcast
Ontario Airport 20 km S 715m alt. 2 hours ago	18°C	Light rain .	Light winds from the NW (11 kph at 310).	11 km Low: scattered Mid: broken High: overcast
Chino Airport 27 km S 218m alt. 2 hours ago	18°C	Light rain .	Light winds from the N (11 kph at 10).	13 km Low: few Mid: broken High: overcast
Riverside Airport 35 km SSE 661m alt. 2 hours ago	18°C	Light rain .	Light winds from the SSE (6 kph at 150).	5 km Mid: broken High: broken
Corona Municipal Airport (California) 36 km S 163m alt. 2 hours ago	18°C	Heavy rain .	Calm (0 kph at 0).	6 km Mid: few High: overcast
San Bernardino 37 km ESE 405m alt. 1 hour ago	19°C	Dry	Calm (2 kph at 178).
San Bernardino Airport 39 km ESE 407m alt. 2 hours ago	22°C	Dry and cloudy.	Light winds from the S.(Wind varies from 150 to 210 degs) (15 kph at 180).	16 km Low: scattered Mid: overcast
EL Monte Airport 40 km SW 361m alt. 3 hours ago	18°C	Dry and cloudy.	Light winds from the NNE (11 kph at 30).	16 km Low: scattered Mid: broken High: overcast
Mount Wilson Airport 41 km WSW 1311m alt. 2 hours ago		-	Wind obs. (33 kph from 230 degs) was rejected.	0.0 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.