– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 am Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

3 Mount Islip Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Very mild (max 10°C on Sun afternoon, min 5°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SSE by Tue night).									Days 4–6 Weather Summary Moderate rain (total 13mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu afternoon. Mild temperatures (max 6°C on Wed morning, min 1°C on Thu afternoon). Winds decreasing (strong winds from the S on Wed night, calm by Fri morning).
	Sunday 18			Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	rain shwrs	rain shwrs	some clouds	light snow	rain shwrs	clear	some clouds	clear
Cloud base (m)	5350										3250	1800	6950	1900	1550	1550	2550
km/h	NNE	N	NNE	SW	SSW	SSE	SSE	SSE	SSE	SSE	SSE	S	S	SW	W	N	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	2	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	0.3	13	—	—	0.1	—	—	—
max °C	9	10	9	9	9	8	7	7	6	6	6	3	2	2	2	3	4	6
min °C	8	9	9	9	9	7	6	7	5	5	4	2	2	1	2	2	3	6
chill °C	6	8	7	9	9	4	3	4	0	0	-1	-4	-3	-4	-2	-2	0	1

Freezing level m	3850	3850	3900	3800	3800	3700	3400	3450	3350	3300	3050	3000	2750	2700	2950	3050	3150	3350

	6:58	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:01	—	—	7:03	—	—
	—	6:13	—	—	6:12	—	—	6:10	—	—	6:09	—	—	6:07	—	—	6:07	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Very mild (max 10°C on Sun afternoon, min 5°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the SSE by Tue night).

Mount Islip Weather (Days 3-6):

Moderate rain (total 13mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu afternoon. Mild temperatures (max 6°C on Wed morning, min 1°C on Thu afternoon). Winds decreasing (strong winds from the S on Wed night, calm by Fri morning).

This table gives the weather forecast for Mount Islip at the specific elevation of 2514 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Islip. 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
Mount Wilson Airport 25 km SSW 1311m alt. 2 hours ago		-	Light winds from the SW (7 kph at 220).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 3 hours ago	27°C	Clear	Wind obs. (7 kph from 1 degs) was rejected.	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	27°C	Clear	Light winds from the WSW (7 kph at 250).	16 km
EL Monte Airport 35 km S 361m alt. 3 hours ago	31°C	Clear	Wind obs. (9 kph from 80 degs) was rejected.	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	25°C	Clear	Light winds from the NE (15 kph at 40).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	28°C	Dry and partly cloudy.	Light winds from the NW (6 kph at 310).	16 km Low: scattered Mid: broken
Chino Airport 45 km SSE 218m alt. 2 hours ago	29°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered
Glendale 45 km SW 771m alt. 1 hour ago	32°C	-	Calm (0 kph at 59).
Placentia wx 50 km S 70m alt. 1 hour ago	30°C	Dry	Calm (3 kph at 104).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	23°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.