– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Sun 18 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sun 18 Oct 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 22°C on Sun afternoon, min 13°C on Wed morning). Wind will be generally light.											Days 5–7 Weather Summary Moderate rain (total 13mm), heaviest on Wed night. Very mild (max 19°C on Sat morning, min 11°C on Wed night). Wind will be generally light.
	Sun 18		Monday 19			Tuesday 20			Wednesday 21			Thursday 22			Friday 23
	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	rain shwrs	rain shwrs	rain shwrs	rain shwrs	clear	clear	clear	clear
Cloud base (m)										1900	900	950	2150	1700
km/h	S	NNE	S	SW	S	SSE	S	SSE	SSE	S	S	SSW	SW	WSW	NE	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	2	10	0.7	0.3	—	—	—	—
max °C	22	20	21	22	19	19	20	16	16	17	12	13	14	12	15	18	17
min °C	22	19	19	21	16	16	19	14	13	13	11	11	14	11	12	17	17
chill °C	22	19	19	21	16	16	19	14	12	12	10	10	13	10	11	17	16

Freezing level m	3900	3900	3850	3800	3700	3400	3450	3400	3150	3000	2850	2700	2950	3350	3400	3550	3850

	—	—	6:58	—	—	7:00	—	—	7:01	—	—	7:01	—	—	7:03	—	—
	6:13	—	—	6:12	—	—	6:10	—	—	6:09	—	—	6:07	—	—	6:07	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 22°C on Sun afternoon, min 13°C on Wed morning). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Moderate rain (total 13mm), heaviest on Wed night. Very mild (max 19°C on Sat morning, min 11°C on Wed 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		-	Light winds from the SW (11 kph at 230).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	29°C	Clear	Light winds from the WSW (19 kph at 250).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	29°C	Clear	Wind obs. (15 kph from 280 degs) was rejected.	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	31°C	Clear	Light winds from the SW (11 kph at 230).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	26°C	Clear	Light winds from the NE (11 kph at 50).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	30°C	-	Light winds from the N (7 kph at 1).	16 km Low: few
Chino Airport 45 km SSE 218m alt. 2 hours ago	32°C	Dry and partly cloudy.	Light winds from the SW (6 kph at 230).	16 km Low: scattered
Glendale 45 km SW 771m alt. 50 minutes ago	29°C	-	Calm (0 kph at 138).
Placentia wx 50 km S 70m alt. 52 minutes ago	26°C	Dry	Calm (2 kph at 235).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	25°C	Clear	Light winds from the N (6 kph at 1).	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.