– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 am Mon 19 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Mon 19 Oct Local Time

Updates in:

hr min s

Update imminent

3 Mount Islip Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 26mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Wed night. Mild temperatures (max 9°C on Mon morning, min 1°C on Wed night). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed afternoon).									Days 4–6 Weather Summary A dusting of new snow. Very mild (max 12°C on Sat night, min 1°C on Thu morning). Winds decreasing (fresh winds from the SSW on Thu morning, light winds from the NNW by Fri morning).
	Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24
	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	rain shwrs	snow shwrs	clear	snow shwrs	rain shwrs	clear	clear	clear	clear	clear	clear
Cloud base (m)								2850	850	1550	1900	900
km/h	WSW	S	SSE	SSE	SSE	SSE	SSE	S	S	SSW	WSW	WNW	NNW	NNE	NE	NE	ENE	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	1	—	1	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	0.2	25	—	—	0.1	—	—	—	—	—	—
max °C	9	9	8	7	8	7	6	6	4	1	1	4	5	8	10	10	11	12
min °C	9	9	7	7	8	6	5	5	1	1	1	1	4	7	8	10	11	11
chill °C	9	9	4	4	5	1	0	-1	-6	-5	-5	-4	2	4	4	7	9	9

Freezing level m	3800	3800	3700	3450	3500	3400	3300	3300	2900	2700	2750	3150	3500	3800	4100	4150	4250	4350

	6:58	—	—	7:00	—	—	7:01	—	—	7:01	—	—	7:03	—	—	7:03	—	—
	—	6:12	—	—	6:10	—	—	6:09	—	—	6:07	—	—	6:07	—	—	6:06	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Heavy rain (total 26mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Wed night. Mild temperatures (max 9°C on Mon morning, min 1°C on Wed night). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed afternoon).

Mount Islip Weather (Days 3-6):

A dusting of new snow. Very mild (max 12°C on Sat night, min 1°C on Thu morning). Winds decreasing (fresh winds from the SSW on Thu morning, light winds from the NNW 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		-	Wind obs. (9 kph from 240 degs) was rejected.	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 3 hours ago	29°C	Clear	Light winds from the SSW (9 kph at 210).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	28°C	Clear	Wind obs. (7 kph from 300 degs) was rejected.	16 km
EL Monte Airport 35 km S 361m alt. 3 hours ago	29°C	Clear	Light winds from the SW (7 kph at 220).	16 km
Palmdale Airport 39 km WNW 714m alt. 3 hours ago	26°C	Clear	Light winds from the N (7 kph at 1).	16 km
Ontario Airport 40 km SE 715m alt. 3 hours ago	29°C	-	Light winds from the WSW (7 kph at 240).	16 km Low: few Mid: few
Chino Airport 45 km SSE 218m alt. 3 hours ago	31°C	Clear	Calm (0 kph at 0).	16 km
Glendale 45 km SW 771m alt. 59 minutes ago	32°C	-	Calm (0 kph at 126).
Placentia wx 50 km S 70m alt. 1 hour ago	28°C	Dry	Calm (2 kph at 0).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	26°C	Clear	Light winds from the SW (9 kph at 230).	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.