– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Tue 22 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Tue 22 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 28°C on Thu afternoon, min 23°C on Tue night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 27°C on Fri afternoon, min 16°C on Sun night). Wind will be generally light.
	Tue 22		Wednesday 23			Thursday 24			Friday 25			Saturday 26			Sunday 27
	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	some clouds	some clouds	clear
Cloud base (m)							4550			8850	9550	9150	9600		5300	4050
km/h	NNE	NNE	ENE	ENE	N	SSE	W	WNW	SW	SW	SSW	S	SSW	S	SSW	SSW	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	24	23	26	27	26	27	28	25	26	27	24	25	27	23	24	23	20
min °C	24	23	23	27	25	25	28	24	24	26	23	23	26	21	21	22	16
chill °C	24	23	23	27	25	25	28	24	24	26	23	23	26	21	21	22	16

Freezing level m	4150	4350	4300	4500	4400	4350	4500	4400	4400	4600	4550	4550	4600	4400	4500	4350	4250

	—	—	6:39	—	—	6:39	—	—	6:41	—	—	6:41	—	—	6:41	—	—
	6:47	—	—	6:46	—	—	6:45	—	—	6:44	—	—	6:42	—	—	6:40	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 28°C on Thu afternoon, min 23°C on Tue night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 27°C on Fri afternoon, min 16°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 (4 kph at 340).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 3 hours ago	25°C	Clear	Moderate winds from the W (22 kph at 260).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	23°C	Clear	Light winds from the W (17 kph at 270).	16 km
EL Monte Airport 35 km S 361m alt. 3 hours ago	24°C	Clear	Light winds from the SSW (15 kph at 210).	16 km
Palmdale Airport 39 km WNW 714m alt. 3 hours ago	29°C	Clear	Light winds from the NNE (11 kph at 30).	16 km
Ontario Airport 40 km SE 715m alt. 3 hours ago	26°C	-	Moderate winds from the WSW (20 kph at 250).	16 km Low: few
Chino Airport 45 km SSE 218m alt. 3 hours ago	26°C	Clear	Moderate winds from the W (22 kph at 270).	16 km
Glendale 45 km SW 771m alt. 1 hour ago	21°C	-	Calm (0 kph at 99).
Placentia wx 50 km S 70m alt. 45 minutes ago	27°C	Dry	Calm (2 kph at 325).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	28°C	Clear	Light winds from the N (13 kph at 350).	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.