– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 am Fri 25 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 am Fri 25 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 27°C on Fri afternoon, min 16°C on Sun night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 26°C on Tue afternoon, min 16°C on Mon morning). Wind will be generally light.
	Friday 25			Saturday 26			Sunday 27			Monday 28			Tuesday 29			Wednesday 30
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	9550		9600	9150	9350	6850	9100	8800
km/h	WSW	SW	SW	S	SSW	S	S	SSW	S	SW	WNW	NNE	NNE	NNE	WNW	SW	SW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	25	27	24	25	26	23	22	23	19	18	21	18	22	26	24	26	26	23
min °C	24	26	22	23	25	20	20	22	16	16	20	18	19	24	23	24	26	22
chill °C	24	26	22	23	25	20	20	22	16	16	20	18	19	24	23	24	26	22

Freezing level m	4250	4450	4400	4450	4450	4400	4200	4350	4050	3700	3500	3650	3900	4350	4700	4800	4800	4900

	6:41	—	—	6:41	—	—	6:41	—	—	6:43	—	—	6:43	—	—	6:43	—	—
	—	6:44	—	—	6:42	—	—	6:40	—	—	6:39	—	—	6:37	—	—	6:37	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 27°C on Fri afternoon, min 16°C on Sun night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 26°C on Tue afternoon, min 16°C on Mon 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		-	Wind obs. (6 kph from 240 degs) was rejected.	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 3 hours ago	21°C	Clear	Calm (0 kph at 0).	10 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	24°C	Clear	Calm (0 kph at 0).	13 km
EL Monte Airport 35 km S 361m alt. 3 hours ago	20°C	Mist -.	Calm (0 kph at 0).	3 km Low: overcast
Palmdale Airport 39 km WNW 714m alt. 3 hours ago	27°C	Clear	Calm (0 kph at 0).	16 km
Ontario Airport 40 km SE 715m alt. 3 hours ago	22°C	Haze -.	Calm (0 kph at 0).	6 km Low: few
Chino Airport 45 km SSE 218m alt. 3 hours ago	22°C	Haze -.	Calm (0 kph at 0).	5 km
Glendale 45 km SW 771m alt. 58 minutes ago	27°C	-	Calm (0 kph at 221).
Placentia wx 50 km S 70m alt. 1 hour ago	29°C	Dry	Calm (5 kph at 294).
Victorville Airport 50 km ENE 880m alt. 2 hours ago	27°C	Clear	Wind obs. (13 kph from 240 degs) was rejected.	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.