– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Mon 28 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Mon 28 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 20°C on Thu morning, min 11°C on Mon night). Winds decreasing (fresh winds from the NNE on Mon night, calm by Wed night).											Days 5–7 Weather Summary Mostly dry. Warm (max 22°C on Fri afternoon, min 20°C on Thu night). Wind will be generally light.
	Mon 28		Tuesday 29			Wednesday 30			Thursday 1			Friday 2			Saturday 3
	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	clear	clear	clear
Cloud base (m)													9450	9050
km/h	WNW	NNE	NNE	NNW	NNE	NW	W	NNE	ESE	NNE	ESE	SE	N	SE	ESE	NNE	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	13	12	13	17	17	19	19	19	20	21	21	21	22	22	21	22	22
min °C	12	11	12	15	16	18	19	18	19	21	20	20	22	20	20	22	20
chill °C	11	10	9	13	15	18	19	18	19	21	20	20	22	20	20	22	20

Freezing level m	3450	3600	3650	4150	4450	4750	4900	4900	4800	4850	5000	5000	5050	4950	4850	4900	4850

	—	—	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:47	—	—
	6:39	—	—	6:37	—	—	6:37	—	—	6:35	—	—	6:34	—	—	6:32	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 20°C on Thu morning, min 11°C on Mon night). Winds decreasing (fresh winds from the NNE on Mon night, calm by Wed night).

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 22°C on Fri afternoon, min 20°C on Thu night). Wind will be generally light.

This table gives the weather forecast for Mount Islip at the specific elevation of 2000 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. 1 hour ago		-	Calm (0 kph at 0).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	23°C	Dry and partly cloudy.	Light winds from the W (13 kph at 260).	16 km Low: scattered
Upland Cable Airport (California) 29 km SSE 440m alt. 1 hour ago	22°C	-	Light winds from the WSW (13 kph at 250).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	25°C	Clear	Light winds from the SSW (13 kph at 200).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	19°C	Clear	Moderate winds from the W (22 kph at 270).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	24°C	-	Light winds from the WSW (19 kph at 240).	16 km Low: few Mid: few
Whittier wx 44 km S 125m alt. 1 hour ago	29°C	Dry	Light winds from the SE (10 kph at 126).
Chino Airport 45 km SSE 218m alt. 2 hours ago	22°C	Dry and partly cloudy.	Light winds from the WSW (15 kph at 240).	16 km Low: scattered
Glendale 45 km SW 771m alt. 1 hour ago	23°C	-	Calm (0 kph at 96).
Placentia wx 50 km S 70m alt. 2 hours ago	23°C	Dry	Calm (0 kph at 0).

* 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.