– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 10 pm Sun 11 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sun 11 Oct Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 9°C on Wed afternoon, min 0°C on Sun night). Winds decreasing (strong winds from the SSW on Sun night, light winds from the N by Wed afternoon).										Days 5–7 Weather Summary Mostly dry. Very mild (max 11°C on Thu night, min 9°C on Wed night). Winds decreasing (near gales from the NE on Thu night, light winds from the NNE by Sat afternoon).
		Monday 12			Tuesday 13			Wednesday 14			Thursday 15			Friday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	snow shwrs	snow shwrs	clear	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	850	750	900	1650
km/h	SSW	SSW	WSW	NW	NW	N	NNE	N	NNE	NNE	NNE	NE	NE	ENE	NE	ENE
See all weather maps
cm	2	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.2	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	0	1	4	4	4	7	8	9	10	10	10	11	10	10	9
min °C	0	0	0	1	3	2	5	8	9	9	9	10	10	9	10	9
chill °C	-7	-7	-6	-4	-3	-4	-1	5	7	6	5	6	6	5	7	4

Freezing level m	2850	2600	2800	3650	3350	3300	3850	4050	4100	4200	4250	4200	4300	4150	4000	3950

	—	6:52	—	—	6:52	—	—	6:54	—	—	6:54	—	—	6:56	—	—
	—	—	6:20	—	—	6:19	—	—	6:16	—	—	6:15	—	—	6:15	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: A dusting of new snow. Freeze-thaw conditions (max 9°C on Wed afternoon, min 0°C on Sun night). Winds decreasing (strong winds from the SSW on Sun night, light winds from the N by Wed afternoon).

Ontario Peak Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Thu night, min 9°C on Wed night). Winds decreasing (near gales from the NE on Thu night, light winds from the NNE by Sat 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	9°C	-	Calm (3 kph at 315).
Alta Loma 9 km S 563m alt. 59 minutes ago	13°C	Dry	Calm (2 kph at 313).
Alta Loma 10 km S 548m alt. 56 minutes ago	14°C	Dry	Calm (0 kph at 185).
Wrightwood 13 km N 1828m alt. 2 hours ago	6°C	Dry	Calm (0 kph at 132).
Upland Cable Airport (California) 14 km S 440m alt. 2 hours ago	15°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: broken High: overcast
La Verne wx 16 km SSW 335m alt. 2 hours ago	13°C	Dry	Calm (0 kph at 0).
Ontario Airport 20 km S 715m alt. 2 hours ago	16°C	Dry and cloudy.	Light winds from the W (11 kph at 270).	16 km Low: few Mid: broken High: overcast
Summit Terrace wx 25 km NE 1200m alt. 2 hours ago	10°C	Dry	Moderate winds from the S (26 kph at 188).
Chino Airport 27 km S 218m alt. 2 hours ago	16°C	Dry and cloudy.	Light winds from the NNW (11 kph at 330).	16 km Low: few Mid: broken High: overcast
Diamond Bar wx 27 km SSW 200m alt. 3 hours ago	14°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.