– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 am Wed 16 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Wed 16 Sep Local Time

Updates in:

hr min s

Update imminent

3 Mount Islip Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Warm (max 23°C on Fri afternoon, min 17°C on Wed morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 26°C on Sat afternoon, min 18°C on Sun night). Wind will be generally light.
	Wednesday 16			Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21
	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	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)			900									8650
km/h	S	SSW	S	SSW	SSW	SSW	WSW	W	NNW	ENE	W	SW	S	SSW	S	SW	WSW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	20	22	18	20	22	20	21	23	21	24	26	23	23	25	20	21	22	20
min °C	17	21	17	17	22	18	18	23	20	21	26	22	22	24	18	19	22	19
chill °C	17	21	17	17	22	18	18	23	20	21	26	22	22	24	18	19	22	19

Freezing level m	4750	4650	4600	4600	4550	4550	4600	4600	4650	4650	4650	4750	4500	4450	4250	4000	3950	4050

	6:33	—	—	6:35	—	—	6:35	—	—	6:37	—	—	6:37	—	—	6:37	—	—
	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:51	—	—	6:50	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 23°C on Fri afternoon, min 17°C on Wed morning). 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. 2 hours ago		-	Calm (2 kph at 280).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	25°C	Clear	Light winds from the WSW (19 kph at 240).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	25°C	Clear	Light winds from the W (17 kph at 260).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	26°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	26°C	Clear	Light winds from the SW (19 kph at 220).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	26°C	-	Light winds from the W (9 kph at 260).	16 km Low: few
Chino Airport 45 km SSE 218m alt. 2 hours ago	27°C	-	Light winds from the WSW (7 kph at 250).	16 km Low: few
Glendale 45 km SW 771m alt. 1 hour ago	27°C	-	Calm (0 kph at 154).
Placentia wx 50 km S 70m alt. 1 hour ago	30°C	Dry	Calm (3 kph at 20).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	29°C	Clear	Strong winds from the S (39 kph at 190).	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.