– Lat/Long: 34.23° N 117.62° W

Ontario Peak
Weather Forecast, United States
Issued: 9 pm Wed 31 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 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 Moderate rain (total 18mm), heaviest on Thu morning. Mild temperatures (max 6°C on Wed night, min 4°C on Thu morning). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the SW by Thu night).										Days 5–7 Weather Summary Heavy rain (total 44mm), mostly on Sun afternoon. Becoming colder with a light covering of snow, mostly falling on Tue morning. Freeze-thaw conditions (max 5°C on Sun morning, min 0°C on Tue morning). Winds decreasing (strong winds from the SSW on Sun morning, calm by Tue afternoon).
		Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. rain	mod. rain	rain shwrs	clear	clear	some clouds	cloudy	cloudy	light rain	light rain	heavy rain	heavy rain	mod. rain	light rain	some clouds	some clouds	light snow	light snow	light snow
km/h	S	SSW	SW	WSW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	ESE	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	5	2	4
mm	8	10	0.2	—	—	—	—	—	0.1	2	10	24	6	2	—	—	—	—	—
max °C	6	5	4	5	6	6	6	5	5	4	5	5	4	3	2	1	1	0	1
min °C	5	4	4	4	6	6	5	4	5	4	5	5	3	3	2	1	0	0	0
chill °C	0	-2	-1	-1	4	3	1	0	1	0	-1	-1	-3	-3	-4	-4	-2	-2	-5

Freezing level m	3100	2950	2900	3450	3650	3550	3550	2900	2900	2750	2900	2850	2500	2500	2350	2200	2150	2000	2000
Cloud base (m)	750	800	750	900	950	6900		900	850	800	750	700	800	750	750	950	800	700	750

	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—
	—	—	4:52	—	—	4:52	—	—	4:52	—	—	4:53	—	—	4:54	—	—	4:55	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Moderate rain (total 18mm), heaviest on Thu morning. Mild temperatures (max 6°C on Wed night, min 4°C on Thu morning). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the SW by Thu night).

Ontario Peak Weather (Days 3-6):

Heavy rain (total 44mm), mostly on Sun afternoon. Becoming colder with a light covering of snow, mostly falling on Tue morning. Freeze-thaw conditions (max 5°C on Sun morning, min 0°C on Tue morning). Winds decreasing (strong winds from the SSW on Sun morning, calm by Tue afternoon).

This table gives the weather forecast for Ontario Peak at the specific elevation of 2000 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. 2 hours ago		-	Light winds from the E (11 kph at 90).	0.0 km High: scattered
Ontario Airport 20 km S 715m alt. 2 hours ago	12° C	-	Light winds from the E (7 kph at 80).	0.0 km
Chino Airport 27 km S 218m alt. 2 hours ago	12° C	Light rain .	Calm (0 kph at 0).	6 km
AJX - CSS 28 km E 519m alt. 1 hour ago		-	Light winds from the SE (7 kph at 128).
Crestline - CSS 29 km E 1615m alt. 1 hour ago	8° C	-	Calm (0 kph at 0).
Marshall Peak - CSS 30 km E 1211m alt. 1 hour ago	10° C	-	Wind obs. (37 kph from 168 degs) was rejected.
Riverside Airport 35 km SSE 661m alt. 2 hours ago	12° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: broken High: 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	8° C	Drizzle	Calm (0 kph at 0).	6 km Low: scattered Mid: scattered High: overcast
Mount Wilson Airport 41 km WSW 1311m alt. 2 hours ago		-	Wind obs. (11 kph from 210 degs) was rejected.	0.0 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.