– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Tue 15 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Tue 15 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Islip Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Mostly dry. Warm (max 24°C on Tue afternoon, min 17°C on Wed night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 26°C on Sat afternoon, min 18°C on Sun night). Wind will be generally light.
	Tue 15		Wednesday 16			Thursday 17			Friday 18			Saturday 19			Sunday 20
	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	clear	clear	clear	clear	some clouds	clear	clear
Cloud base (m)													9500	9550
km/h	SSW	S	S	SSW	S	S	SSW	SW	WSW	WSW	NW	SW	W	SSW	SSW	SSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	24	20	21	23	18	21	23	20	22	24	21	24	26	23	23	24	20
min °C	23	18	18	21	17	18	22	19	19	24	21	21	25	21	21	24	18
chill °C	23	18	18	21	17	18	22	19	19	24	21	21	25	21	21	24	18

Freezing level m	4900	4900	4750	4700	4600	4600	4600	4600	4700	4750	4800	4800	4800	4850	4550	4500	4250

	—	—	6:33	—	—	6:35	—	—	6:35	—	—	6:37	—	—	6:37	—	—
	6:58	—	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:51	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 24°C on Tue afternoon, min 17°C on Wed night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 26°C on Sat afternoon, min 18°C on Sun night). Wind will be generally light.

This table gives the weather forecast for Mount Islip at the specific elevation of 1000 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. 3 hours ago		-	Light winds from the ESE (9 kph at 110).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	22°C	Clear	Light winds from the WSW (17 kph at 250).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	21°C	Clear	Light winds from the W (19 kph at 260).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	23°C	Clear	Light winds from the SSW (13 kph at 200).	16 km
Palmdale Airport 39 km WNW 714m alt. 3 hours ago	24°C	Clear	Fresh winds from the WSW (37 kph at 240).	16 km
Ontario Airport 40 km SE 715m alt. 3 hours ago	23°C	Clear	Light winds from the WSW (19 kph at 250).	16 km
Chino Airport 45 km SSE 218m alt. 3 hours ago		Clear	Moderate winds from the WSW (22 kph at 250).	16 km
Glendale 45 km SW 771m alt. 2 hours ago	21°C	-	Calm (0 kph at 146).
Placentia wx 50 km S 70m alt. 2 hours ago	28°C	Dry	Calm (3 kph at 344).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	24°C	Clear	Fresh winds from the SSE (35 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.