– Lat/Long: 34.23° N 117.62° W

Ontario Peak
Weather Forecast, United States
Issued: 3 pm Wed 31 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Wed 31 Dec Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 24mm), mostly on Wed afternoon. Becoming colder with a light covering of snow ,mostly falling on Thu morning. Temperatures will be slightly above freezing (max 4°C on Thu night, min 1°C on Thu morning). Winds decreasing (near gales from the SSW on Thu morning, light winds from the SW by Fri morning).											Days 5–7 Weather Summary A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sat afternoon, min -2°C on Tue morning). Winds increasing (fresh winds from the SW on Sat afternoon, gales from the SSW by Sun morning).
	Wed 31		Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy rain	light snow	light snow	rain shwrs	rain shwrs	clear	some clouds	some clouds	cloudy	cloudy	some clouds	light snow	mod. snow	mod. snow	snow shwrs	some clouds	some clouds
km/h	S	SSW	SSW	SW	WSW	SW	SW	SSW	SW	SW	SSW	SSW	SSW	SSW	SSW	SW	SSW
See all weather maps
cm	—	1	4	—	—	—	—	—	—	—	—	3	10	8	1	—	—
mm	11	13	—	0.1	0.1	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	3	2	2	4	4	4	4	1	1	1	1	1	0	-1	-1	-1
min °C	3	2	1	1	3	4	4	3	1	1	1	1	1	-1	-1	-1	-1
chill °C	-3	-5	-7	-6	-3	0	-1	-2	-5	-6	-6	-7	-7	-10	-9	-9	-8

Freezing level m	3200	3200	2950	2950	3500	3600	3550	3500	2950	2850	2750	2900	2850	2550	2450	2550	2450
Cloud base (m)	750	750	750	750	850	950	6600	5800	950	900	850	750	700	750	750	800	2100

	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—
	4:51	—	—	4:52	—	—	4:52	—	—	4:52	—	—	4:53	—	—	4:54	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Heavy rain (total 24mm), mostly on Wed afternoon. Becoming colder with a light covering of snow ,mostly falling on Thu morning. Temperatures will be slightly above freezing (max 4°C on Thu night, min 1°C on Thu morning). Winds decreasing (near gales from the SSW on Thu morning, light winds from the SW by Fri morning).

Ontario Peak Weather (Days 3-6):

A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sat afternoon, min -2°C on Tue morning). Winds increasing (fresh winds from the SW on Sat afternoon, gales from the SSW by Sun 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Upland Cable Airport (California) 14 km S 440m alt. 1 hour ago	12° C	Dry and cloudy.	Wind obs. (6 kph from 120 degs) was rejected.	0.0 km High: overcast
La Vern / rackett-Field Airport 19 km SSW 207m alt. 2 hours ago	13° C	Mist light rain .	Moderate winds from the E (22 kph at 90).	8 km Low: overcast
Ontario Airport 20 km S 715m alt. 2 hours ago	13° C	Light rain .	Light winds from the SW (7 kph at 230).	11 km Low: few Mid: overcast
Chino Airport 27 km S 218m alt. 2 hours ago	13° C	Dry and cloudy.	Wind obs. (9 kph from 160 degs) was rejected.	16 km Low: few Mid: overcast
AJX - CSS 28 km E 519m alt. 48 minutes ago	11° C	-	Calm (0 kph at 319).
Crestline - CSS 29 km E 1615m alt. 48 minutes ago	8° C	-	Calm (0 kph at 0).
Marshall Peak - CSS 30 km E 1211m alt. 48 minutes ago	10° C	-	Wind obs. (6 kph from 218 degs) was rejected.
Riverside Airport 35 km SSE 661m alt. 2 hours ago	13° C	Light rain .	Calm (0 kph at 0).	16 km Low: overcast
Lake Arrowhead 39 km E 1619m alt. 1 hour ago		-	Calm (0 kph at 281).
San Bernardino Airport 39 km ESE 407m alt. 2 hours ago	11° C	Moderate rain .	Calm (0 kph at 0).	8 km Low: broken Mid: broken High: overcast

* 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.