– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 am Tue 20 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Tue 20 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 30mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Thu afternoon. Mild temperatures (max 8°C on Tue afternoon, min 1°C on Thu morning). Winds decreasing (near gales from the S on Wed night, light winds from the WNW by Thu night).									Days 4–6 Weather Summary Mostly dry. Very mild (max 11°C on Sun night, min 3°C on Fri morning). Wind will be generally light.
	Tuesday 20			Wednesday 21			Thursday 22			Friday 23			Saturday 24			Sunday 25
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	rain shwrs	rain shwrs	clear	snow shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)					2550	1600	900	2050	1500	950	2700
km/h	SSE	SSE	SSE	SSE	S	S	SSW	SW	W	NNW	NNE	ENE	NE	NE	ENE	NE	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	0.6	30	—	—	—	—	—	—	—	—	—	—	—	—
max °C	7	8	7	6	5	4	1	1	2	3	4	5	6	7	7	8	9	11
min °C	7	8	6	6	5	2	1	1	1	3	4	4	5	6	7	7	8	9
chill °C	4	5	1	1	0	-6	-5	-5	-4	0	2	0	1	3	4	4	6	6

Freezing level m	3500	3550	3500	3250	3300	2900	2600	2650	3050	3200	3000	3250	3400	3450	3500	3700	3700	4150

	7:00	—	—	7:01	—	—	7:01	—	—	7:03	—	—	7:03	—	—	7:03	—	—
	—	6:10	—	—	6:09	—	—	6:07	—	—	6:07	—	—	6:06	—	—	6:05	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Heavy rain (total 30mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Thu afternoon. Mild temperatures (max 8°C on Tue afternoon, min 1°C on Thu morning). Winds decreasing (near gales from the S on Wed night, light winds from the WNW by Thu night).

Mount Islip Weather (Days 3-6):

Mostly dry. Very mild (max 11°C on Sun night, min 3°C on Fri morning). Wind will be generally light.

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. (13 kph from 230 degs) was rejected.	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	27°C	Clear	Light winds from the W (11 kph at 280).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 1 hour ago	28°C	Clear	Light winds from the SW (11 kph at 220).	16 km
EL Monte Airport 35 km S 361m alt. 1 hour ago	30°C	Clear	Light winds from the S (9 kph at 170).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	27°C	Clear	Light winds from the N (7 kph at 1).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	28°C	-	Light winds from the WSW (11 kph at 240).	16 km Low: few Mid: few
Chino Airport 45 km SSE 218m alt. 2 hours ago	31°C	Dry and partly cloudy.	Light winds from the W (13 kph at 270).	16 km Low: scattered
Glendale 45 km SW 771m alt. 56 minutes ago	29°C	-	Calm (0 kph at 255).
Placentia wx 50 km S 70m alt. 1 hour ago	32°C	Dry	Calm (0 kph at 203).
Victorville Airport 50 km ENE 880m alt. 1 hour ago	26°C	Clear	Fresh winds from the SSE (30 kph at 160).	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.