– Lat/Long: 34.34° N 117.84° W

Mount Islip Weather Forecast

San Gabriel Mountains · United States

Issued: 4 pm Fri 25 Sep Local Time

Updates in:

hr min s

Update imminent

Issued: 4 pm Fri 25 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 Fri afternoon, min 16°C on Sun night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm (max 26°C on Tue afternoon, min 19°C on Mon night). Wind will be generally light.
	Fri 25		Saturday 26			Sunday 27			Monday 28			Tuesday 29			Wednesday 30
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear
Cloud base (m)	9700		9200	9100	6900												9300
km/h	SW	SW	S	SSW	S	S	SSW	SSW	SW	WNW	N	NNE	NW	W	SW	SW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	27	25	25	26	23	22	23	19	18	21	20	23	26	24	24	26	23
min °C	26	23	23	26	19	20	22	16	16	20	19	21	25	23	23	26	21
chill °C	26	23	23	26	19	20	22	16	16	20	19	21	25	23	23	26	21

Freezing level m	4450	4400	4400	4400	4500	4250	4350	4000	3700	3600	3900	4100	4450	4650	4900	4950	4900

	—	—	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 19°C on Mon 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. 1 hour ago		-	Wind obs. (7 kph from 240 degs) was rejected.	0.0 km
La Vern / rackett-Field Airport 28 km SSE 207m alt. 2 hours ago	31°C	Clear	Light winds from the W (19 kph at 280).	16 km
Upland Cable Airport (California) 29 km SSE 440m alt. 1 hour ago	30°C	Clear	Moderate winds from the WSW (22 kph at 250).	16 km
EL Monte Airport 35 km S 361m alt. 2 hours ago	31°C	Clear	Light winds from the SW (15 kph at 230).	16 km
Palmdale Airport 39 km WNW 714m alt. 2 hours ago	33°C	Clear	Moderate winds from the SW (26 kph at 230).	16 km
Ontario Airport 40 km SE 715m alt. 2 hours ago	33°C	-	Moderate winds from the WSW (20 kph at 250).	16 km Low: few Mid: few
Whittier wx 44 km S 125m alt. 1 hour ago	35°C	Dry	Calm (5 kph at 171).
Chino Airport 45 km SSE 218m alt. 2 hours ago	33°C	Clear	Moderate winds from the WSW (22 kph at 250).	14 km
Glendale 45 km SW 771m alt. 30 minutes ago	29°C	-	Calm (0 kph at 117).
Placentia wx 50 km S 70m alt. 26 minutes ago	31°C	Dry	Calm (3 kph at 293).

* 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.