– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Sun 20 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Sun 20 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 26°C on Wed morning, min 17°C on Mon night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 28°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light.
	Sun 20		Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	some clouds	rain shwrs	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	7250	5150	4500													9350	9200
km/h	SSW	S	SSW	WSW	WNW	N	N	N	ENE	W	ESE	SSE	SSW	W	SSE	SW	SSE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	0.1	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	25	21	20	21	18	22	25	23	26	27	25	26	27	24	26	28	25
min °C	24	18	18	20	17	18	24	23	23	27	24	25	27	24	24	27	23
chill °C	24	18	18	20	17	18	24	23	23	27	24	25	27	24	24	27	23

Freezing level m	4450	4400	4000	4000	4100	4050	4200	4300	4250	4400	4350	4300	4400	4350	4300	4550	4400

	—	—	6:37	—	—	6:39	—	—	6:39	—	—	6:39	—	—	6:41	—	—
	6:51	—	—	6:50	—	—	6:47	—	—	6:46	—	—	6:45	—	—	6:44	—

Mount Islip Weather (Days 0-3):

The weather forecast for Mount Islip is: Mostly dry. Warm (max 26°C on Wed morning, min 17°C on Mon night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 28°C on Fri afternoon, min 23°C on Fri 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 30).	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	27°C	Dry and partly cloudy.	Light winds from the W (19 kph at 270).	16 km Low: broken
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	25°C	Clear	Moderate winds from the W (22 kph at 260).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	26°C	Clear	Light winds from the WSW (13 kph at 240).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	28°C	Clear	Fresh winds from the WSW (30 kph at 240).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	28°C	Dry and partly cloudy.	Light winds from the WSW (17 kph at 240).	16 km Low: few Mid: broken
Chino Airport 45 km SSE 218m alt. 2 hours ago	26°C	Dry and partly cloudy.	Moderate winds from the W (26 kph at 260).	16 km Low: broken
Glendale 45 km SW 771m alt. 1 hour ago	23°C	-	Calm (0 kph at 88).
Placentia wx 50 km S 70m alt. 47 minutes ago	31°C	Dry	Calm (2 kph at 334).
Burbank Airport 51 km SW 714m alt. 2 hours ago	25°C	Clear	Calm (0 kph at 0).	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.