– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 4 am Thu 08 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Thu 08 Oct Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 15°C on Thu afternoon, min 7°C on Sat night). Winds increasing (calm on Thu afternoon, strong winds from the SSE by Sat night).									Days 4–6 Weather Summary Heavy rain (total 37mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 5°C on Sun morning, min -2°C on Mon night). Winds decreasing (gales from the S on Sun morning, calm by Tue morning).
	Thursday 8			Friday 9			Saturday 10			Sunday 11			Monday 12			Tuesday 13
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	cloudy	some clouds	some clouds	mod. rain	heavy rain	some clouds	snow shwrs	clear	clear	some clouds	snow shwrs	rain shwrs
Cloud base (m)							5400	5700		2050	700	750	850	1800		900	1950	900
km/h	SE	NNW	SSE	S	SSW	WSW	SW	SSW	SSE	S	SW	SSW	S	SSE	S	WSW	W	NNW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	2	—	—	—	1	—
mm	—	—	—	—	—	—	—	—	—	7	29	—	—	—	—	—	—	0.1
max °C	14	15	14	13	13	12	10	9	9	5	4	1	-1	0	0	-2	-1	2
min °C	14	15	13	12	13	10	10	9	7	5	3	0	-1	-1	-2	-2	-1	-1
chill °C	14	15	12	10	11	7	7	5	2	-2	-4	-8	-8	-8	-4	-2	-4	-7

Freezing level m	4700	4800	4700	4500	4550	4350	4200	4150	3900	3800	3350	2600	2450	2600	2400	2350	2500	3100

	6:50	—	—	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: Mostly dry. Very mild (max 15°C on Thu afternoon, min 7°C on Sat night). Winds increasing (calm on Thu afternoon, strong winds from the SSE by Sat night).

Ontario Peak Weather (Days 3-6):

Heavy rain (total 37mm), heaviest during Sun afternoon. Later becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 5°C on Sun morning, min -2°C on Mon night). Winds decreasing (gales from the S on Sun morning, calm by Tue 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
Alta Loma 9 km S 563m alt. 2 hours ago	29°C	Dry	Calm (5 kph at 222).
Alta Loma 10 km S 548m alt. 3 hours ago	25°C	Dry	Calm (0 kph at 146).
Wrightwood 13 km N 1828m alt. 1 hour ago	21°C	Dry	Calm (0 kph at 134).
Upland Cable Airport (California) 14 km S 440m alt. 2 hours ago	27°C	Clear	Light winds from the W (11 kph at 260).	16 km
La Vern / rackett-Field Airport 19 km SSW 207m alt. 3 hours ago	22°C	Clear	Calm (0 kph at 0).	16 km
Ontario Airport 20 km S 715m alt. 3 hours ago	26°C	Clear	Calm (0 kph at 0).	16 km
Summit Terrace wx 25 km NE 1200m alt. 1 hour ago	28°C	Dry	Calm (0 kph at 115).
Chino Airport 27 km S 218m alt. 3 hours ago	22°C	Clear	Calm (0 kph at 0).	16 km
Diamond Bar wx 27 km SSW 200m alt. 1 hour ago	31°C	Dry	Calm (0 kph at 0).
Duarte 31 km SW 232m alt. 2 hours ago	27°C	Dry	Calm (0 kph at 115).

* 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.