– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Sat 19 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sat 19 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 26°C on Sun afternoon, min 18°C on Mon night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 27°C on Wed afternoon, min 22°C on Tue night). Wind will be generally light.
	Sat 19		Sunday 20			Monday 21			Tuesday 22			Wednesday 23			Thursday 24
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)			7300		5650												9450
km/h	WSW	ENE	SE	SW	SSW	SSW	WSW	WNW	NNW	NW	NNW	ENE	NW	NW	SSE	WSW	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	25	23	24	26	22	20	22	19	22	24	23	26	27	25	26	27	24
min °C	24	22	22	25	20	19	21	18	19	24	22	23	27	24	24	26	23
chill °C	24	22	22	25	20	19	21	18	19	24	22	23	27	24	24	26	23

Freezing level m	4600	4700	4500	4450	4300	4000	4050	4150	4050	4100	4250	4350	4500	4450	4400	4500	4550

	—	—	6:37	—	—	6:37	—	—	6:39	—	—	6:39	—	—	6:39	—	—
	6:52	—	—	6:51	—	—	6:50	—	—	6:47	—	—	6:46	—	—	6:45	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 26°C on Sun afternoon, min 18°C on Mon night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 27°C on Wed afternoon, min 22°C on Tue 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. 2 hours ago		-	Calm (4 kph at 220).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 3 hours ago	27°C	Clear	Light winds from the W (13 kph at 260).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	28°C	Clear	Light winds from the W (11 kph at 280).	16 km
EL Monte Airport 35 km S 361m alt. 3 hours ago	29°C	Clear	Light winds from the WSW (11 kph at 240).	16 km
Palmdale Airport 39 km WNW 714m alt. 3 hours ago	31°C	Clear	Light winds from the N (9 kph at 1).	16 km
Ontario Airport 40 km SE 715m alt. 3 hours ago	29°C	Clear	Light winds from the W (11 kph at 280).	16 km
Chino Airport 45 km SSE 218m alt. 3 hours ago	30°C	Clear	Light winds from the NW (13 kph at 320).	16 km
Glendale 45 km SW 771m alt. 1 hour ago	29°C	-	Calm (0 kph at 134).
Placentia wx 50 km S 70m alt. 2 hours ago	36°C	Dry	Wind obs. (6 kph from 347 degs) was rejected.
Victorville Airport 50 km ENE 880m alt. 2 hours ago	33°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.