– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 pm Sun 11 Oct Local Time

Updates in:

hr min s

Update imminent

Issued: 10 pm Sun 11 Oct Local Time

Updates in:

hr min s

Update imminent

3 Mount Islip Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 4mm), mostly falling on Mon morning. Warm (max 20°C on Wed afternoon, min 9°C on Mon night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 23°C on Fri afternoon, min 18°C on Wed night). Mainly fresh winds.
		Monday 12			Tuesday 13			Wednesday 14			Thursday 15			Friday 16
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	light rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	850	850	900	1550
km/h	S	SSW	SSW	SW	NNW	NE	NE	NE	ENE	NE	NE	ENE	NE	NE	NE	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	1.8	1.4	0.6	0.3	—	—	—	—	—	—	—	—	—	—	—	—
max °C	11	11	11	10	12	14	15	18	20	19	20	21	20	21	23	21
min °C	11	10	10	9	9	13	14	15	20	18	18	21	18	18	23	19
chill °C	9	8	8	7	8	12	13	15	20	18	18	21	17	17	23	19

Freezing level m	2900	2700	2900	3700	3300	3300	3950	4000	4100	4250	4250	4200	4300	4150	4000	3950

	—	6:54	—	—	6:54	—	—	6:54	—	—	6:56	—	—	6:56	—	—
	—	—	6:21	—	—	6:19	—	—	6:17	—	—	6:16	—	—	6:15	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Light rain (total 4mm), mostly falling on Mon morning. Warm (max 20°C on Wed afternoon, min 9°C on Mon night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 23°C on Fri afternoon, min 18°C on Wed night). Mainly fresh winds.

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
Juniper Hills wx 16 km WNW 1278m alt. 2 hours ago	10°C	Dry	Light winds from the SE (8 kph at 130).
Wrightwood 20 km E 1828m alt. 1 hour ago	8°C	Dry	Calm (2 kph at 234).
Mt Baldy 21 km SE 1250m alt. 2 hours ago	9°C	-	Calm (3 kph at 311).
Mount Wilson Airport 25 km SSW 1311m alt. 3 hours ago		-	Wind obs. (17 kph from 230 degs) was rejected.	0.0 km
La Verne wx 25 km SSE 335m alt. 1 hour ago	14°C	Dry	Calm (0 kph at 0).
Sierra Madre wx 28 km SSW 417m alt. 1 hour ago	16°C	Dry	Calm (0 kph at 167).
Sierra Madre 28 km SSW 350m alt. 2 hours ago	15°C	Dry	Calm (0 kph at 253).
Upland Cable Airport (California) 29 km SSE 440m alt. 3 hours ago	16°C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: overcast
Monrovia 29 km SSW 140.2m alt. 2 hours ago	16°C	Dry	Calm (2 kph at 90).
Alta Loma 30 km SE 563m alt. 1 hour ago	13°C	Dry	Calm (2 kph at 324).

* 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.