– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 pm Wed 16 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 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 25°C on Sat afternoon, min 16°C on Wed night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 26°C on Tue afternoon, min 18°C on Mon morning). Wind will be generally light.
		Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21
	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	some clouds	clear	clear	clear	clear
Cloud base (m)	900									9500		6700
km/h	S	S	SSW	SSW	WSW	W	NW	ENE	W	SSE	S	SSW	S	SSW	W	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	18	20	22	20	21	23	20	23	25	23	23	25	21	21	22	21
min °C	16	17	22	18	18	23	20	21	25	22	22	24	19	18	22	20
chill °C	16	17	22	18	18	23	20	21	25	22	22	24	19	18	22	20

Freezing level m	4600	4600	4600	4600	4550	4600	4700	4650	4650	4750	4500	4500	4350	4000	3950	4250

	—	6:35	—	—	6:35	—	—	6:37	—	—	6:37	—	—	6:37	—	—
	—	—	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 25°C on Sat afternoon, min 16°C on Wed night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 26°C on Tue afternoon, min 18°C on Mon morning). 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		-	Light winds from the SSE (9 kph at 160).	0.0 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	19°C	Dry and cloudy.	Light winds from the SW (9 kph at 230).	16 km Low: scattered Mid: broken High: overcast
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	14°C	Clear	Light winds from the NW (6 kph at 310).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	20°C	Dry and cloudy.	Light winds from the WSW (11 kph at 240).	16 km Low: few Mid: overcast
Chino Airport 45 km SSE 218m alt. 2 hours ago	20°C	Dry and cloudy.	Light winds from the SSW (6 kph at 210).	16 km Low: overcast
Glendale 45 km SW 771m alt. 51 minutes ago	19°C	-	Calm (0 kph at 108).
Placentia wx 50 km S 70m alt. 1 hour ago	21°C	Dry	Calm (0 kph at 0).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	14°C	Dry and cloudy.	Light winds from the SSW (11 kph at 210).	16 km Low: few Mid: few High: overcast
Burbank Airport 51 km SW 714m alt. 2 hours ago	19°C	Dry and cloudy.	Light winds from the W (7 kph at 270).	16 km Low: scattered Mid: overcast
Lancaste / ox Airport 54 km WNW 714m alt. 2 hours ago	16°C	Clear	Moderate winds from the WNW (22 kph at 300).	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.