– Lat/Long: 34.23° N 117.62° W

Ontario Peak
Weather Forecast, United States
Issued: 3 am Sun 28 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Sun 28 Dec Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Mild temperatures (max 6°C on Tue night, min 1°C on Sun night). Winds decreasing (strong winds from the ENE on Mon morning, light winds from the S by Tue afternoon).									Days 4–6 Weather Summary Heavy rain (total 82mm), mostly on Wed night. Becoming colder with a light covering of snow, mostly falling on Thu morning. Freeze-thaw conditions (max 4°C on Wed morning, min -1°C on Fri night). Winds decreasing (near gales from the SW on Wed night, fresh winds from the SSW by Thu night).
	Sunday 28			Monday 29			Tuesday 30			Wednesday 31			Thursday 1			Friday 2
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	some clouds	cloudy	some clouds	light rain	heavy rain	heavy rain	light snow	snow shwrs	rain shwrs	rain shwrs	light snow	some clouds
km/h	NE	NNE	NE	ENE	ENE	ESE	SE	SSE	ESE	SE	S	SSW	SW	SW	SW	SSW	SSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	5	1	—	—	2	—
mm	—	—	—	—	—	—	—	—	—	2	17	62	—	0.3	0.6	0.5	—	—
max °C	2	2	2	3	3	5	5	5	6	4	4	3	2	3	4	2	2	1
min °C	2	2	1	3	3	3	5	5	5	4	3	2	2	2	3	2	2	-1
chill °C	-3	-2	-4	-3	-3	-1	2	3	1	-2	-4	-5	-5	-4	-2	-4	-5	-9

Freezing level m	3000	3000	2900	3250	3350	3400	3500	3500	3650	3450	3500	3150	3000	3000	3550	3050	2950	2700
Cloud base (m)						7250	3200	2950	3350	2400	800	700	750	750	800	850	800	800

	6:54	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—
	—	4:47	—	—	4:49	—	—	4:50	—	—	4:51	—	—	4:52	—	—	4:52	—

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Mostly dry. Mild temperatures (max 6°C on Tue night, min 1°C on Sun night). Winds decreasing (strong winds from the ENE on Mon morning, light winds from the S by Tue afternoon).

Ontario Peak Weather (Days 3-6):

Heavy rain (total 82mm), mostly on Wed night. Becoming colder with a light covering of snow, mostly falling on Thu morning. Freeze-thaw conditions (max 4°C on Wed morning, min -1°C on Fri night). Winds decreasing (near gales from the SW on Wed night, fresh winds from the SSW by Thu 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 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	11° C	Clear	Calm (0 kph at 0).	16 km
La Vern / rackett-Field Airport 19 km SSW 207m alt. 2 hours ago	6° C	Clear	Light winds from the N (6 kph at 1).	16 km
Ontario Airport 20 km S 715m alt. 2 hours ago	7° C	-	Calm (0 kph at 0).	16 km Low: few
Chino Airport 27 km S 218m alt. 2 hours ago		-	Calm (0 kph at 0).	16 km Low: few
AJX - CSS 28 km E 519m alt. 1 hour ago	15° C	-	Wind obs. (48 kph from 275 degs) was rejected.
Crestline - CSS 29 km E 1615m alt. 1 hour ago	3° C	-	Calm (0 kph at 0).
Marshall Peak - CSS 30 km E 1211m alt. 1 hour ago	9° C	-	Moderate winds from the SSE (26 kph at 163).
Riverside Airport 35 km SSE 661m alt. 2 hours ago	7° C	Clear	Light winds from the ENE (9 kph at 70).	16 km
Lake Arrowhead 39 km E 1619m alt. 3 hours ago	-3° C	-	Calm (0 kph at 285).
San Bernardino Airport 39 km ESE 407m alt. 2 hours ago	7° 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.