– Lat/Long: 34.23° N 117.62° W

Ontario Peak
Weather Forecast, United States
Issued: 9 pm Sun 28 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 pm Sun 28 Dec Local Time

Updates in:

hr min s

Update imminent

3 Ontario Peak Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 16°C on Tue morning, min 8°C on Sun night). Winds decreasing (fresh winds from the NNE on Mon morning, calm by Tue night).										Days 5–7 Weather Summary Heavy rain (total 67mm), heaviest during Wed night. Very mild (max 11°C on Wed night, min 8°C on Sat afternoon). Wind will be generally light.
		Monday 29			Tuesday 30			Wednesday 31			Thursday 1			Friday 2			Saturday 3
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	light rain	mod. rain	heavy rain	rain shwrs	rain shwrs	rain shwrs	light rain	light rain	mod. rain	light rain	rain shwrs	rain shwrs
km/h	NNE	NNE	NNE	NNE	NNE	NNE	NNE	ENE	SE	S	S	S	SSE	S	S	S	SSW	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	2	6	44	10	0.4	0.2	0.2	0.8	6	5	0.5	0.7
max °C	9	12	11	13	16	15	16	13	11	11	10	10	10	10	10	10	10	9	7
min °C	8	11	11	11	15	15	13	12	11	11	10	9	9	10	10	9	9	8	6
chill °C	4	8	8	9	14	15	13	11	11	10	8	8	8	8	8	5	7	6	3

Freezing level m	3000	3300	3450	3550	3600	3650	3700	3300	3400	3100	2700	2950	3600	3450	2800	2700	2700	2800	2350
Cloud base (m)				6700	3550	3400	3650	2450	850	750	750	750	800	800	750	750	750	750	1600

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

Ontario Peak Weather (Days 0-3):

The weather forecast for Ontario Peak is: Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 16°C on Tue morning, min 8°C on Sun night). Winds decreasing (fresh winds from the NNE on Mon morning, calm by Tue night).

Ontario Peak Weather (Days 3-6):

Heavy rain (total 67mm), heaviest during Wed night. Very mild (max 11°C on Wed night, min 8°C on Sat afternoon). Wind will be generally light.

This table gives the weather forecast for Ontario Peak at the specific elevation of 1000 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	12° C	Clear	Wind obs. (11 kph from 300 degs) was rejected.	16 km
Ontario Airport 20 km S 715m alt. 2 hours ago	9° C	-	Calm (0 kph at 0).	16 km Low: few
AJX - CSS 28 km E 519m alt. 1 hour ago	12° C	-	Stormy winds from the NNE (100 kph at 24).
Crestline - CSS 29 km E 1615m alt. 1 hour ago	1° C	-	Calm (0 kph at 0).
Marshall Peak - CSS 30 km E 1211m alt. 1 hour ago	6° C	-	Wind obs. (104 kph from 60 degs) was rejected.
Riverside Airport 35 km SSE 661m alt. 2 hours ago	15° C	Clear	Light winds from the E (7 kph at 80).	16 km
Lake Arrowhead 39 km E 1619m alt. 45 minutes ago	-3° C	-	Calm (0 kph at 65).
San Bernardino Airport 39 km ESE 407m alt. 1 hour ago	5° C	Clear	Calm (0 kph at 0).	16 km
Mount Wilson Airport 41 km WSW 1311m alt. 2 hours ago		-	Light winds from the N (6 kph at 10).	0.0 km
Placentia wx 43 km S 70m alt. 59 minutes ago	7° C	Dry	Calm (0 kph at 48).

* 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.