– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 10 pm Wed 07 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Wed 07 Oct Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Very mild (max 15°C on Wed night, min 8°C on Sat afternoon). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Sat afternoon).										Days 5–7 Weather Summary Heavy rain (total 33mm), heaviest during Sun afternoon. Freeze-thaw conditions (max 9°C on Sat night, min -1°C on Mon night). Winds decreasing (extremely windy from the SSE on Sun morning, calm by Tue afternoon).
		Thursday 8			Friday 9			Saturday 10			Sunday 11			Monday 12
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	some clouds	heavy rain	heavy rain	light rain	some clouds	some clouds	clear
Cloud base (m)								5800	5450	2650	1450	700	750	800	1750	2350
km/h	E	SSE	NW	S	S	S	SW	SSW	SSW	SSE	S	SSW	SSW	S	SSE	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	14	17	1	—	—	—
max °C	15	14	15	14	13	13	12	10	10	9	6	3	2	0	1	0
min °C	14	14	15	13	13	13	10	10	8	7	4	3	0	0	0	-1
chill °C	14	14	15	12	12	11	7	7	4	1	-4	-5	-7	-7	-7	-8

Freezing level m	4750	4700	4800	4650	4550	4550	4400	4300	4150	3950	3400	3300	2800	2650	2700	2600

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

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Mostly dry. Very mild (max 15°C on Wed night, min 8°C on Sat afternoon). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Sat afternoon).

Ontario Peak Weather (Days 3-6):

Heavy rain (total 33mm), heaviest during Sun afternoon. Freeze-thaw conditions (max 9°C on Sat night, min -1°C on Mon night). Winds decreasing (extremely windy from the SSE on Sun morning, calm by Tue afternoon).

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. 2 hours ago	19°C	-	Calm (2 kph at 0).
Alta Loma 9 km S 563m alt. 1 hour ago	23°C	Dry	Calm (3 kph at 324).
Alta Loma 10 km S 548m alt. 1 hour ago	23°C	Dry	Calm (0 kph at 140).
Wrightwood 13 km N 1828m alt. 1 hour ago	15°C	Dry	Calm (0 kph at 134).
Upland Cable Airport (California) 14 km S 440m alt. 2 hours ago	27°C	-	Light winds from the NE (7 kph at 50).	16 km Low: few
La Verne wx 16 km SSW 335m alt. 2 hours ago	23°C	Dry	Calm (0 kph at 0).
Ontario Airport 20 km S 715m alt. 2 hours ago	27°C	-	Calm (0 kph at 0).	16 km Low: few
Summit Terrace wx 25 km NE 1200m alt. 47 minutes ago	22°C	Dry	Wind obs. (8 kph from 221 degs) was rejected.
Chino Airport 27 km S 218m alt. 2 hours ago	25°C	Clear	Light winds from the WSW (6 kph at 240).	16 km
Diamond Bar wx 27 km SSW 200m alt. 2 hours ago	23°C	Dry	Calm (0 kph at 0).

* 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.