– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 am Sat 12 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Sat 12 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 28°C on Sat afternoon, min 21°C on Sun night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 28°C on Thu afternoon, min 21°C on Tue morning). Wind will be generally light.
	Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17
	AM	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	clear
Cloud base (m)
km/h	SW	SW	SSW	SW	SW	SSW	S	SSW	S	S	SSW	S	S	SSW	S	S	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	27	28	25	25	27	23	25	26	23	23	25	22	24	26	24	26	28	26
min °C	25	27	22	23	26	21	22	25	21	21	25	21	22	26	23	24	28	26
chill °C	25	27	22	23	26	21	22	25	21	21	25	21	22	26	23	24	28	26

Freezing level m	5050	5200	5150	5150	5050	5150	5100	5000	5100	5100	5000	5000	4900	4800	4850	4850	4850	4850

	6:31	—	—	6:31	—	—	6:33	—	—	6:33	—	—	6:33	—	—	6:35	—	—
	—	7:01	—	—	7:00	—	—	6:59	—	—	6:58	—	—	6:57	—	—	6:54	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 28°C on Sat afternoon, min 21°C on Sun night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 28°C on Thu afternoon, min 21°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		-	Light winds from the SW (9 kph at 220).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	31°C	Clear	Light winds from the W (19 kph at 280).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	32°C	Clear	Fresh winds from the WSW (30 kph at 250).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	32°C	Clear	Light winds from the SSW (19 kph at 200).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	34°C	Clear	Fresh winds from the SW (31 kph at 220).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	33°C	Clear	Moderate winds from the W (22 kph at 260).	16 km
Chino Airport 45 km SSE 218m alt. 2 hours ago	33°C	Clear	Moderate winds from the W (24 kph at 260).	16 km
Glendale 45 km SW 771m alt. 50 minutes ago	31°C	-	Calm (3 kph at 99).
Placentia wx 50 km S 70m alt. 1 hour ago	25°C	Dry	Calm (0 kph at 0).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	37°C	Clear	Fresh winds from the S (33 kph at 170).	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.