– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 am Fri 09 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 4 am Fri 09 Oct Local Time

Updates in:

hr min s

Update imminent

3 Mount Islip Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary Moderate rain (total 11mm) heaviest on Sun morning, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 14°C on Fri morning, min 0°C on Sun night). Winds increasing (light winds from the S on Fri morning, near gales from the SW by Sun afternoon).									Days 4–6 Weather Summary A light covering of new snow mostly falling on Mon morning. Becoming milder with light rain (total 2mm) on Tue night. Freeze-thaw conditions (max 9°C on Wed night, min -1°C on Mon night). Winds decreasing (fresh winds from the S on Mon morning, calm by Wed night).
	Friday 9			Saturday 10			Sunday 11			Monday 12			Tuesday 13			Wednesday 14
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	cloudy	rain shwrs	rain shwrs	mod. rain	rain shwrs	snow shwrs	snow shwrs	snow shwrs	clear	snow shwrs	snow shwrs	rain shwrs	clear	clear	clear
Cloud base (m)			5800	5400	3250	2050	1750	1450	850	900	1700	1650	2150	1700	2500
km/h	S	SSW	SW	SSW	SSW	SE	SW	SSW	S	S	S	SSE	ESE	ENE	NNE	NNE	NW	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	1	1	1	—	1	2	—	—	—	—
mm	—	—	—	—	0.3	1.3	6	2	0.9	—	—	—	—	—	2	—	—	—
max °C	14	14	13	11	10	10	6	4	3	0	0	0	0	1	5	7	8	9
min °C	13	14	11	10	10	6	5	4	0	0	0	-1	-1	1	2	6	8	8
chill °C	12	13	8	7	7	2	0	-3	-7	-7	-7	-7	-7	-1	-3	1	5	7

Freezing level m	4450	4500	4300	4150	4100	4000	3500	3350	2800	2550	2550	2400	2500	2700	3150	3650	3900	4050

	6:50	—	—	6:52	—	—	6:52	—	—	6:54	—	—	6:54	—	—	6:54	—	—
	—	6:24	—	—	6:22	—	—	6:22	—	—	6:21	—	—	6:19	—	—	6:17	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Moderate rain (total 11mm) heaviest on Sun morning, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 14°C on Fri morning, min 0°C on Sun night). Winds increasing (light winds from the S on Fri morning, near gales from the SW by Sun afternoon).

Mount Islip Weather (Days 3-6):

A light covering of new snow mostly falling on Mon morning. Becoming milder with light rain (total 2mm) on Tue night. Freeze-thaw conditions (max 9°C on Wed night, min -1°C on Mon night). Winds decreasing (fresh winds from the S on Mon morning, calm by Wed night).

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
Juniper Hills wx 16 km WNW 1278m alt. 2 hours ago		Dry
Wrightwood 20 km E 1828m alt. 1 hour ago	15°C	Dry	Calm (0 kph at 176).
Mt Baldy 21 km SE 1250m alt. 2 hours ago	18°C	-	Calm (0 kph at 0).
Duarte 24 km S 232m alt. 2 hours ago	19°C	Dry
Mount Wilson Airport 25 km SSW 1311m alt. 2 hours ago		-	Light winds from the SSW (9 kph at 210).	0.0 km
La Verne wx 25 km SSE 335m alt. 1 hour ago	21°C	Dry	Calm (0 kph at 0).
La Vern / rackett-Field Airport 28 km SSE 207m alt. 1 hour ago	19°C	Clear	Calm (0 kph at 0).	16 km
Sierra Madre wx 28 km SSW 417m alt. 2 hours ago	19°C	Dry	Calm (0 kph at 160).
Sierra Madre 28 km SSW 350m alt. 2 hours ago	20°C	Dry	Calm (0 kph at 253).
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	22°C	Clear	Light winds from the NNE (7 kph at 30).	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.