– Lat/Long: 34.23° N 117.62° W

Ontario Peak Weather Forecast

San Gabriel Mountains · United States

Issued: 4 am Fri 09 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Fri 09 Oct Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Moderate rain (total 12mm) heaviest on Sun morning, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 12°C on Fri morning, min 0°C on Sun night). Winds increasing (light winds from the S on Fri morning, near gales from the SW by Sun afternoon).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Mon morning. Freeze-thaw conditions (max 8°C on Wed night, min -2°C on Mon night). Winds decreasing (strong winds from the S on Mon afternoon, light winds from the NNE by Wed night).
	Friday 9			Saturday 10			Sunday 11			Monday 12			Tuesday 13			Wednesday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	rain shwrs	rain shwrs	mod. rain	light rain	snow shwrs	snow shwrs	snow shwrs	clear	snow shwrs	light snow	rain shwrs	clear	clear	clear
Cloud base (m)			5750	5500	3000	2350	1600	800	700	750	1750	2000	2500	1550	2650	3100		800
km/h	S	SSW	SW	SSW	SSW	SE	SW	SSW	S	S	S	SSE	ESE	ENE	NNE	N	NNW	NNE
See all weather maps
cm	—	—	—	—	—	—	—	—	2	1	2	—	1	2	—	—	—	—
mm	—	—	—	—	0.5	0.9	8	3	—	—	—	—	—	—	0.2	—	—	—
max °C	12	12	12	9	9	9	5	2	2	-1	-1	-1	-1	0	4	5	7	8
min °C	12	12	10	9	8	5	4	2	0	-1	-1	-2	-2	0	1	4	6	7
chill °C	10	10	7	6	4	1	-2	-6	-7	-9	-9	-9	-8	-3	-4	-2	2	5

Freezing level m	4450	4500	4300	4150	4050	4100	3500	3200	2800	2500	2550	2400	2550	2700	3100	3550	3900	4050

	6:50	—	—	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 12mm) heaviest on Sun morning, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 12°C on Fri morning, min 0°C on Sun night). Winds increasing (light winds from the S on Fri morning, near gales from the SW by Sun afternoon).

Ontario Peak Weather (Days 3-6):

A light covering of new snow mostly falling on Mon morning. Freeze-thaw conditions (max 8°C on Wed night, min -2°C on Mon night). Winds decreasing (strong winds from the S on Mon afternoon, light winds from the NNE by Wed 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	19°C	-	Calm (3 kph at 0).
Alta Loma 9 km S 563m alt. 52 minutes ago	20°C	Dry	Calm (0 kph at 322).
Alta Loma 10 km S 548m alt. 50 minutes ago	20°C	Dry	Calm (0 kph at 142).
Wrightwood 13 km N 1828m alt. 36 minutes ago	17°C	Dry	Calm (0 kph at 176).
Upland Cable Airport (California) 14 km S 440m alt. 1 hour ago	23°C	-	Calm (0 kph at 0).	16 km
La Verne wx 16 km SSW 335m alt. 1 hour ago	21°C	Dry	Calm (0 kph at 0).
Ontario Airport 20 km S 715m alt. 2 hours ago	23°C	-	Calm (0 kph at 0).	16 km Low: few
Pomona wx 21 km S 255m alt. 1 hour ago	19°C	Dry	Calm (0 kph at 289).
Summit Terrace wx 25 km NE 1200m alt. 1 hour ago	19°C	Dry	Light winds from the SW (10 kph at 229).
Chino Airport 27 km S 218m alt. 2 hours ago	19°C	Clear	Calm (0 kph at 0).	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.