– Lat/Long: 34.23° N 117.62° W

Ontario Peak
Weather Forecast, United States
Issued: 9 pm Wed 18 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Wed 18 Feb Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -4°C on Wed night). Winds decreasing (strong winds from the SW on Thu morning, calm by Fri night).										Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Mon morning, min 4°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the WSW by Tue afternoon).
		Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	heavy snow	snow shwrs	cloudy	some clouds	some clouds	clear	some clouds	cloudy	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds
km/h	WSW	SW	WSW	W	W	W	WNW	SW	SSW	SSW	NNW	NNW	NW	SW	WSW	W	WSW	WSW	W
See all weather maps
cm	—	11	2	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-2	-2	-2	-2	0	0	2	4	5	6	8	9	11	12	12	12	10	9	8
min °C	-4	-3	-2	-3	-1	0	-1	3	5	4	7	9	10	11	12	10	10	9	7
chill °C	-12	-11	-10	-9	-4	-3	-3	1	2	2	7	9	10	11	11	7	7	5	4

Freezing level m	1350	1400	1700	1250	1400	2000	1800	2800	3000	2750	3450	3800	4000	4050	4200	4100	3850	3600	3750
Cloud base (m)	800	750	700	750	800	1500	1650		6700	3600			9200		5300	7150	6200		9100

	—	6:30	—	—	6:28	—	—	6:28	—	—	6:26	—	—	6:26	—	—	6:24	—	—
	—	—	5:37	—	—	5:37	—	—	5:38	—	—	5:39	—	—	5:40	—	—	5:42	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: A moderate fall of snow, heaviest on Thu morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -4°C on Wed night). Winds decreasing (strong winds from the SW on Thu morning, calm by Fri night).

Ontario Peak Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Mon morning, min 4°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the WSW 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Upland Cable Airport (California) 14 km S 440m alt. 2 hours ago	7° C	Clear	Calm (0 kph at 0).	16 km
Ontario Airport 20 km S 715m alt. 3 hours ago	8° C	Dry and partly cloudy.	Light winds from the SW (6 kph at 230).	16 km Low: scattered Mid: broken High: broken
Chino Airport 27 km S 218m alt. 3 hours ago	8° C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
AJX - CSS 28 km E 519m alt. 2 hours ago	7° C	-	Wind obs. (6 kph from 93 degs) was rejected.
Crestline - CSS 29 km E 1615m alt. 4 hours ago	-2° C	-	Calm (0 kph at 0).
Marshall Peak - CSS 30 km E 1211m alt. 2 hours ago	1° C	-	Moderate winds from the SSW (20 kph at 200).
Riverside Airport 35 km SSE 661m alt. 3 hours ago	7° C	Dry and partly cloudy.	Light winds from the E (6 kph at 100).	16 km Low: broken
Corona Municipal Airport (California) 36 km S 163m alt. 3 hours ago	9° C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered
San Bernardino Airport 39 km ESE 407m alt. 2 hours ago	8° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: overcast
Mount Wilson Airport 41 km WSW 1311m alt. 2 hours ago		-	Wind obs. (11 kph from 230 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.