– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Wed 16 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Wed 16 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 Sat morning, 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 19°C on Sun night). Wind will be generally light.
	Wed 16		Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21
	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	some clouds	clear	clear	clear	clear
Cloud base (m)		900									8850		6500
km/h	SSW	S	SSW	SSW	SSW	WSW	W	NW	NE	WNW	WNW	SSE	SSW	S	SW	WSW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	22	18	20	23	20	21	23	21	24	26	24	24	26	21	21	22	21
min °C	21	17	17	22	18	18	23	20	21	26	23	22	25	19	19	22	20
chill °C	21	17	17	22	18	18	23	20	21	26	23	22	25	19	19	22	20

Freezing level m	4650	4550	4600	4600	4600	4600	4550	4650	4650	4600	4750	4550	4500	4300	4000	4000	4150

	—	—	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 24°C on Sat morning, 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 19°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 (17 kph at 110).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 308m alt. 2 hours ago	20°C	Clear	Light winds from the SW (15 kph at 230).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 1 hour ago	19°C	Clear	Light winds from the WSW (13 kph at 250).	16 km
EL Monte Airport 35 km S 361m alt. 4 hours ago	24°C	Clear	Light winds from the SSW (13 kph at 200).	16 km
Palmdale Airport 39 km WNW 780m alt. 1 hour ago	19°C	Clear	Moderate winds from the NW (20 kph at 320).	16 km
Ontario Airport 40 km SE 274m alt. 2 hours ago	21°C	Clear	Light winds from the WSW (17 kph at 250).	16 km
Chino Airport 45 km SSE 207m alt. 2 hours ago	21°C	Clear	Light winds from the WSW (15 kph at 250).	16 km
Chino Airport 45 km SSE 218m alt. 3 hours ago	22°C	-	Light winds from the WSW (19 kph at 250).	16 km Low: few
Glendale 45 km SW 771m alt. 2 hours ago	21°C	-	Calm (0 kph at 88).
Placentia wx 50 km S 70m alt. 2 hours ago	21°C	Light rain.	Calm (2 kph at 61).

* 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.