– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Tue 29 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Tue 29 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 29°C on Thu afternoon, min 23°C on Tue afternoon). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 31°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light.
	Tue 29		Wednesday 30			Thursday 1			Friday 2			Saturday 3			Sunday 4
	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)
km/h	NNW	NW	NNW	WSW	WNW	S	W	NW	ESE	WNW	SSW	SE	WNW	S	SE	N	SW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	25	23	26	27	24	27	29	27	29	30	28	28	30	29	29	31	28
min °C	23	23	24	27	24	25	28	26	26	30	27	26	30	27	27	30	25
chill °C	23	23	24	27	24	25	28	26	26	30	27	26	30	27	27	30	25

Freezing level m	4150	4500	4750	4900	5000	4900	4900	4950	5000	5000	4950	4800	4900	4800	4700	4800	4800

	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:47	—	—	6:47	—	—
	6:37	—	—	6:37	—	—	6:35	—	—	6:34	—	—	6:32	—	—	6:30	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 29°C on Thu afternoon, min 23°C on Tue afternoon). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 31°C on Sun afternoon, min 25°C on Sun 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		-	Calm (4 kph at 320).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	28°C	Clear	Moderate winds from the WSW (20 kph at 250).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	27°C	Clear	Moderate winds from the W (22 kph at 270).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	30°C	Clear	Light winds from the SSW (17 kph at 210).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	27°C	Clear	Fresh winds from the WNW (35 kph at 290).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	28°C	-	Moderate winds from the WSW (22 kph at 250).	16 km Low: few
Whittier wx 44 km S 125m alt. 31 minutes ago	29°C	Dry	Light winds from the SSE (11 kph at 164).
Chino Airport 45 km SSE 218m alt. 2 hours ago	28°C	-	Moderate winds from the W (28 kph at 260).	16 km Low: few
Glendale 45 km SW 771m alt. 57 minutes ago	26°C	-	Calm (0 kph at 288).
Placentia wx 50 km S 70m alt. 1 hour ago	21°C	Dry	Wind obs. (6 kph from 285 degs) was rejected.

* 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.