– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Thu 08 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Thu 08 Oct Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Some drizzle, heaviest during Sun morning. Very mild (max 15°C on Thu afternoon, min 5°C on Sun morning). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Sat afternoon).											Days 5–7 Weather Summary Mild with light rain (total 3mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 7°C on Wed morning, min -2°C on Mon morning). Winds decreasing (near gales from the SW on Sun afternoon, light winds from the S by Mon night).
	Thu 8		Friday 9			Saturday 10			Sunday 11			Monday 12			Tuesday 13
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	rain shwrs	rain shwrs	rain shwrs	light rain	rain shwrs	light snow	snow shwrs	light snow	snow shwrs	clear	some clouds	clear
Cloud base (m)						5400		2650	2200	800	750	750	850	1750	900	1800	900
km/h	NNW	SSE	S	SSW	SW	SSW	SSW	SSE	SW	SW	S	S	SSW	S	WNW	NW	N
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	2	3	2	2	—	—	—
mm	—	—	—	—	—	0.1	0.6	0.1	0.9	3	—	—	—	—	—	—	—
max °C	15	14	12	12	12	10	10	8	6	3	1	-2	-2	-2	-1	0	5
min °C	15	13	12	12	10	9	9	7	5	2	-1	-2	-2	-2	-2	-1	3
chill °C	15	12	10	10	7	6	5	3	0	-6	-8	-10	-8	-8	-7	-6	-2

Freezing level m	4800	4650	4500	4500	4300	4200	4100	3800	3550	3150	2650	2300	2400	2300	2500	2700	3600

	—	—	6:50	—	—	6:50	—	—	6:52	—	—	6:52	—	—	6:52	—	—
	6:24	—	—	6:23	—	—	6:22	—	—	6:21	—	—	6:20	—	—	6:19	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Some drizzle, heaviest during Sun morning. Very mild (max 15°C on Thu afternoon, min 5°C on Sun morning). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Sat afternoon).

Ontario Peak Weather (Days 3-6):

Mild with light rain (total 3mm) on Sun afternoon Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 7°C on Wed morning, min -2°C on Mon morning). Winds decreasing (near gales from the SW on Sun afternoon, light winds from the S by Mon night).

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. 1 hour ago	20°C	-	Calm (2 kph at 0).
Alta Loma 9 km S 563m alt. 2 hours ago	24°C	Dry	Calm (3 kph at 343).
Alta Loma 10 km S 548m alt. 1 hour ago	23°C	Dry	Calm (0 kph at 159).
Wrightwood 13 km N 1828m alt. 1 hour ago	17°C	Dry	Calm (0 kph at 173).
Upland Cable Airport (California) 14 km S 440m alt. 2 hours ago	25°C	-	Calm (0 kph at 0).	16 km
La Verne wx 16 km SSW 335m alt. 2 hours ago	22°C	Dry	Calm (0 kph at 0).
Ontario Airport 20 km S 715m alt. 2 hours ago	28°C	Dry and partly cloudy.	Light winds from the WSW (7 kph at 240).	16 km Low: scattered
Pomona wx 21 km S 255m alt. 2 hours ago	23°C	Dry	Calm (0 kph at 322).
Summit Terrace wx 25 km NE 1200m alt. 1 hour ago	21°C	Dry	Light winds from the SSW (18 kph at 212).
Chino Airport 27 km S 218m alt. 2 hours ago	23°C	Clear	Light winds from the NW (7 kph at 320).	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.