– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Fri 09 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Fri 09 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 17mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 12°C on Fri afternoon, min -1°C on Mon morning). Mainly near gales.											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 10°C on Wed afternoon, min -3°C on Mon night). Winds decreasing (fresh winds from the S on Mon afternoon, light winds from the N by Wed morning).
	Fri 9		Saturday 10			Sunday 11			Monday 12			Tuesday 13			Wednesday 14
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	cloudy	light rain	cloudy	mod. rain	mod. rain	snow shwrs	light snow	light snow	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)		5750		5350	2600	1550	750	700	750	750		850
km/h	SSW	SW	SSW	SSW	SE	SW	SW	SSW	S	S	NW	NW	N	NNE	N	N	NNE
See all weather maps
cm	—	—	—	—	—	—	—	2	2	1	—	—	—	—	—	—	—
mm	—	—	—	0.6	—	7	9	0.3	—	—	—	—	—	—	—	—	—
max °C	12	12	10	9	8	6	3	2	0	-1	1	2	3	7	8	10	9
min °C	12	10	9	9	8	5	3	0	-1	-2	-3	2	2	6	7	9	9
chill °C	10	7	6	5	4	0	-4	-7	-9	-10	-10	-2	-2	2	6	8	8

Freezing level m	4500	4250	4150	4000	4050	3550	3450	2800	2500	2350	2400	3250	3000	3950	4100	4200	4050

	—	—	6:50	—	—	6:52	—	—	6:52	—	—	6:52	—	—	6:54	—	—
	6:23	—	—	6:22	—	—	6:21	—	—	6:20	—	—	6:19	—	—	6:16	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Moderate rain (total 17mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 12°C on Fri afternoon, min -1°C on Mon morning). Mainly near gales.

Ontario Peak Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 10°C on Wed afternoon, min -3°C on Mon night). Winds decreasing (fresh winds from the S on Mon afternoon, light winds from the N by Wed morning).

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
Mt Baldy 3 km W 1250m alt. 30 minutes ago	22°C	-	Calm (0 kph at 0).
Alta Loma 9 km S 563m alt. 1 hour ago	28°C	Dry	Wind obs. (13 kph from 282 degs) was rejected.
Alta Loma 10 km S 548m alt. 1 hour ago	28°C	Dry	Calm (2 kph at 65).
Wrightwood 13 km N 1828m alt. 1 hour ago	19°C	Dry	Calm (0 kph at 227).
Upland Cable Airport (California) 14 km S 440m alt. 1 hour ago	30°C	Clear	Moderate winds from the W (24 kph at 280).	16 km
La Verne wx 16 km SSW 335m alt. 2 hours ago	29°C	Dry	Wind obs. (10 kph from 245 degs) was rejected.
La Vern / rackett-Field Airport 19 km SSW 207m alt. 2 hours ago	31°C	Clear	Moderate winds from the W (20 kph at 260).	16 km
Ontario Airport 20 km S 715m alt. 2 hours ago	32°C	-	Moderate winds from the WSW (20 kph at 250).	16 km Low: few
Pomona wx 21 km S 255m alt. 2 hours ago	31°C	Dry	Calm (0 kph at 72).
Summit Terrace wx 25 km NE 1200m alt. 39 minutes ago	24°C	Dry	Moderate winds from the S (26 kph at 173).

* 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.