– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Wed 21 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Wed 21 Oct Local Time

Updates in:

hr min s

Update imminent

3 Mount Islip Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Moderate rain (total 19mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu afternoon. Mild temperatures (max 6°C on Wed afternoon, min 1°C on Thu morning). Winds decreasing (strong winds from the S on Wed night, light winds from the NNW by Fri afternoon).											Days 5–7 Weather Summary Mostly dry. Very mild (max 12°C on Mon afternoon, min 6°C on Sat afternoon). Wind will be generally light.
	Wed 21		Thursday 22			Friday 23			Saturday 24			Sunday 25			Monday 26
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	clear	snow shwrs	clear	clear	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	2400	850	1850	1900	900	1550	1800						9300	8550	8350	9600
km/h	S	S	SSW	WSW	W	WNW	NNW	NE	NE	NNE	NE	NE	NNE	NNE	NE	N	ENE
See all weather maps
cm	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.8	17	—	—	—	—	0.3	0.5	—	—	—	—	—	—	—	—	—
max °C	6	4	1	1	2	4	4	4	5	6	8	9	10	10	11	12	12
min °C	5	2	1	1	1	2	2	2	5	6	6	8	9	10	10	12	12
chill °C	0	-5	-6	-5	-5	-1	-1	-3	1	3	2	5	7	9	10	12	12

Freezing level m	3300	2950	2600	2700	2750	3200	2800	3050	3350	3400	3550	3950	3950	4150	4200	4300	4400

	—	—	7:01	—	—	7:03	—	—	7:03	—	—	7:03	—	—	7:05	—	—
	6:09	—	—	6:07	—	—	6:07	—	—	6:06	—	—	6:05	—	—	6:04	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Moderate rain (total 19mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu afternoon. Mild temperatures (max 6°C on Wed afternoon, min 1°C on Thu morning). Winds decreasing (strong winds from the S on Wed night, light winds from the NNW by Fri afternoon).

Mount Islip Weather (Days 3-6):

Mostly dry. Very mild (max 12°C on Mon afternoon, min 6°C on Sat afternoon). Wind will be generally light.

This table gives the weather forecast for Mount Islip at the specific elevation of 2514 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		-	Wind obs. (24 kph from 240 degs) was rejected.	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago		-	Light winds from the W (15 kph at 260).	16 km Low: broken Mid: overcast
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	21°C	-	Calm (0 kph at 0).	16 km Low: few Mid: few High: broken
EL Monte Airport 35 km S 361m alt. 2 hours ago	19°C	Dry and partly cloudy.	Light winds from the NW (9 kph at 310).	16 km Low: few Mid: broken
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	15°C	Light rain .	Wind obs. (11 kph from 190 degs) was rejected.	10 km Low: few Mid: broken High: overcast
Ontario Airport 40 km SE 715m alt. 2 hours ago	23°C	Dry and partly cloudy.	Light winds from the WSW (13 kph at 240).	16 km Low: broken Mid: broken
Chino Airport 45 km SSE 218m alt. 2 hours ago	22°C	Dry and partly cloudy.	Light winds from the WNW (15 kph at 300).	16 km Low: broken
Glendale 45 km SW 771m alt. 24 minutes ago	16°C	-	Calm (0 kph at 304).
Placentia wx 50 km S 70m alt. 1 hour ago	28°C	Dry	Calm (0 kph at 0).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	20°C	-	Fresh winds from the SSE (33 kph at 160).	16 km Low: few

* 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.