– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 10 pm Sun 20 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 10 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 27°C on Wed afternoon, min 18°C on Sun night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm (max 28°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light.
		Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)		4950													9550
km/h	S	SSW	WSW	WNW	NNW	NNE	N	E	WNW	S	SE	W	WNW	SSW	SW	S
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	21	20	21	18	22	25	23	25	27	25	26	28	25	26	28	25
min °C	18	18	21	18	19	24	23	23	27	25	25	27	24	24	28	24
chill °C	18	18	21	18	19	24	23	23	27	25	25	27	24	24	28	24

Freezing level m	4350	4000	3950	4100	4050	4150	4250	4200	4400	4300	4300	4450	4400	4300	4550	4450

	—	6:37	—	—	6:39	—	—	6:39	—	—	6:39	—	—	6:41	—	—
	—	—	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 27°C on Wed afternoon, min 18°C on Sun night). Wind will be generally light.

Mount Islip Weather (Days 3-6):

Mostly dry. Warm (max 28°C on Thu afternoon, min 24°C on Thu 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		-	Light winds from the SSE (11 kph at 150).	0.0 km
Upland Cable Airport (California) 29 km SSE 440m alt. 2 hours ago	17°C	Mist -.	Light winds from the W (7 kph at 270).	10 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	16°C	Clear	Light winds from the SSE (15 kph at 150).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	18°C	Dry and partly cloudy.	Light winds from the W (9 kph at 280).	16 km Low: scattered Mid: broken
Chino Airport 45 km SSE 218m alt. 2 hours ago	17°C	Dry and partly cloudy.	Light winds from the NW (7 kph at 320).	16 km Low: broken Mid: broken
Glendale 45 km SW 771m alt. 3 hours ago	19°C	-	Calm (0 kph at 134).
Placentia wx 50 km S 70m alt. 1 hour ago	24°C	Dry	Calm (0 kph at 0).
Burbank Airport 51 km SW 714m alt. 2 hours ago	19°C	Dry and cloudy.	Light winds from the SSW (7 kph at 200).	16 km Low: overcast
Lancaste / ox Airport 54 km WNW 714m alt. 2 hours ago	18°C	Clear	Light winds from the W (19 kph at 260).	16 km
Corona Municipal Airport (California) 54 km SSE 163m alt. 2 hours ago	16°C	Dry and partly cloudy.	Calm (0 kph at 0).	14 km Low: broken

* 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.