– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Sun 13 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sun 13 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 27°C on Sun afternoon, min 19°C on Tue night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 25°C on Fri afternoon, min 18°C on Wed night). Wind will be generally light.
	Sun 13		Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18
	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	clear	clear	clear
Cloud base (m)
km/h	SW	S	S	SSW	S	S	SSW	S	S	SSW	S	SSW	SSW	SSW	SW	WSW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	27	23	24	26	22	23	24	21	22	24	20	22	24	21	23	25	22
min °C	26	21	21	25	20	20	24	19	20	23	18	20	24	20	21	24	22
chill °C	26	21	21	25	20	20	24	19	20	23	18	20	24	20	21	24	22

Freezing level m	5000	5150	5100	5050	5050	4950	4950	4900	4800	4750	4750	4700	4750	4750	4700	4750	4850

	—	—	6:33	—	—	6:33	—	—	6:33	—	—	6:35	—	—	6:35	—	—
	7:00	—	—	6:59	—	—	6:58	—	—	6:57	—	—	6:54	—	—	6:53	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 27°C on Sun afternoon, min 19°C on Tue night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 25°C on Fri afternoon, min 18°C on Wed 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		-	Calm (4 kph at 220).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	26°C	Clear	Moderate winds from the SSE (20 kph at 160).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	24°C	Clear	Light winds from the W (19 kph at 270).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	26°C	Clear	Light winds from the WSW (13 kph at 240).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	27°C	Clear	Moderate winds from the W (24 kph at 270).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	26°C	Clear	Light winds from the WSW (17 kph at 240).	16 km
Chino Airport 45 km SSE 218m alt. 2 hours ago	24°C	Clear	Moderate winds from the W (26 kph at 260).	16 km
Glendale 45 km SW 771m alt. 2 hours ago	24°C	-	Calm (0 kph at 64).
Placentia wx 50 km S 70m alt. 1 hour ago	32°C	Dry	Calm (0 kph at 0).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	27°C	Clear	Moderate winds from the WSW (20 kph at 240).	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.