– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 4 am Tue 20 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Tue 20 Oct Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Moderate rain (total 18mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu afternoon. Freeze-thaw conditions (max 6°C on Tue morning, min 0°C on Thu morning). Winds decreasing (near gales from the S on Wed night, light winds from the WNW by Thu night).									Days 4–6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Sun night, min 2°C on Fri morning). Wind will be generally light.
	Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24			Sunday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	rain shwrs	rain shwrs	some clouds	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)					2450	800	2050	800	900	850	2050						9600	9500
km/h	SSE	SSE	SSE	S	S	S	SSW	WSW	W	N	NNE	NE	NNE	NNE	NE	NE	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	3	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	0.5	18	—	—	—	—	—	—	—	—	—	—	—	—
max °C	6	6	6	5	4	4	1	0	2	3	3	4	5	6	6	7	8	9
min °C	6	6	5	4	4	1	0	0	1	2	3	4	5	6	6	6	8	8
chill °C	2	2	-1	-2	-2	-6	-5	-6	-4	2	0	0	1	2	2	3	5	4

Freezing level m	3500	3500	3550	3250	3350	3100	2700	2700	2950	3150	3100	3350	3450	3500	3500	3750	3800	3850

	6:58	—	—	7:00	—	—	7:01	—	—	7:01	—	—	7:01	—	—	7:03	—	—
	—	6:09	—	—	6:08	—	—	6:07	—	—	6:07	—	—	6:05	—	—	6:04	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Moderate rain (total 18mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu afternoon. Freeze-thaw conditions (max 6°C on Tue morning, min 0°C on Thu morning). Winds decreasing (near gales from the S on Wed night, light winds from the WNW by Thu night).

Ontario Peak Weather (Days 3-6):

Mostly dry. Mild temperatures (max 9°C on Sun night, min 2°C on Fri morning). 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. 1 hour ago	18°C	Clear	Calm (0 kph at 0).	16 km
La Vern / rackett-Field Airport 19 km SSW 207m alt. 1 hour ago	15°C	Clear	Wind obs. (13 kph from 134 degs) was rejected.	16 km
Ontario Airport 20 km S 715m alt. 2 hours ago	18°C	Clear	Calm (0 kph at 0).	16 km
Chino Airport 27 km S 218m alt. 2 hours ago	15°C	Clear	Calm (0 kph at 0).	16 km
Riverside Airport 35 km SSE 661m alt. 2 hours ago	16°C	Clear	Light winds from the W (6 kph at 270).	16 km
Corona Municipal Airport (California) 36 km S 163m alt. 2 hours ago	12°C	Clear	Calm (0 kph at 0).	16 km
San Bernardino Airport 39 km ESE 407m alt. 50 minutes ago	15°C	Clear	Calm (0 kph at 0).	16 km
Mount Wilson Airport 41 km WSW 1311m alt. 2 hours ago		-	Wind obs. (9 kph from 140 degs) was rejected.	0.0 km
Victorville Airport 45 km NNE 880m alt. 1 hour ago	12°C	Clear	Calm (0 kph at 0).	14 km
Fullerton Airport 52 km SSW 218m alt. 2 hours ago	19°C	Dry and cloudy.	Calm (0 kph at 0).	16 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.