– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 am Sat 26 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Sat 26 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 26°C on Sat afternoon, min 17°C on Sun night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 27°C on Wed afternoon, min 20°C on Tue morning). Wind will be generally light.
	Saturday 26			Sunday 27			Monday 28			Tuesday 29			Wednesday 30			Thursday 1
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	cloudy	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	9050	9550	6550													7150	7200	6550
km/h	S	SSW	SSW	S	SSW	S	SSW	WNW	NNW	NNE	NE	WNW	SSW	WSW	SSW	SSW	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	25	26	23	23	24	19	19	21	19	23	26	24	26	27	23	25	27	23
min °C	23	25	21	21	23	17	17	21	18	20	25	24	24	26	23	22	25	22
chill °C	23	25	21	21	23	17	17	21	18	20	25	24	24	26	23	22	25	22

Freezing level m	4400	4450	4500	4350	4350	4100	3700	3600	3750	4100	4350	4550	4750	4800	5000	5050	5050	5050

	6:41	—	—	6:41	—	—	6:43	—	—	6:43	—	—	6:43	—	—	6:45	—	—
	—	6:42	—	—	6:40	—	—	6:39	—	—	6:37	—	—	6:37	—	—	6:35	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 26°C on Sat afternoon, min 17°C on Sun night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 27°C on Wed afternoon, min 20°C on Tue 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		-	Calm (4 kph at 240).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 3 hours ago	19°C	Clear	Calm (0 kph at 0).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	22°C	Clear	Light winds from the E (7 kph at 80).	16 km
Palmdale Airport 39 km WNW 714m alt. 3 hours ago	16°C	Clear	Light winds from the SSE (7 kph at 160).	16 km
Ontario Airport 40 km SE 715m alt. 3 hours ago	20°C	Dry and partly cloudy.	Light winds from the NNE (6 kph at 30).	14 km Low: scattered
Whittier wx 44 km S 125m alt. 1 hour ago	27°C	Dry	Light winds from the SSW (8 kph at 211).
Chino Airport 45 km SSE 218m alt. 3 hours ago	17°C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
Glendale 45 km SW 771m alt. 55 minutes ago	23°C	-	Calm (0 kph at 133).
Placentia wx 50 km S 70m alt. 55 minutes ago	26°C	Dry	Calm (3 kph at 294).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	18°C	Clear	Light winds from the SSE (13 kph at 160).	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.