Mount San Antonio weather
– Lat/Long: 34.29° N 117.65° W

Mount San Antonio
Weather Forecast, United States

Issued: 3 pm Wed 31 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

Heavy rain (total 29mm), heaviest during Wed afternoon. Later becoming colder with a dusting of snow on Thu morning. Mild temperatures (max 5°C on Fri morning, min 1°C on Thu morning). Winds decreasing (near gales from the SSW on Thu morning, light winds from the SW by Fri morning).

Days 5–7 Weather Summary

Moderate rain (total 16mm), heaviest on Sun afternoon giving way to a moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 2°C on Sat afternoon, min -1°C on Mon night). Winds decreasing (near gales from the SSW on Sun morning, moderate winds from the SSW by Mon night).

Wed
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
heavy rain
snow showers
rain showers
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
mod rain
light snow
mod snow
snow showers
part cloud
part cloud
heavy rain
heavy rain
snow shwrs
rain shwrs
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
mod. rain
light snow
mod. snow
snow shwrs
some clouds
some clouds
 km/h
30
SSE
35
SSW
55
SSW
40
SW
30
WSW
15
SW
25
SW
30
SSW
30
SW
30
SW
35
SSW
50
SSW
55
SSW
55
SSW
45
SSW
40
SW
30
SSW
2
5
7
1
11
14
4
0.2
6
9
max °C
4
4
3
3
4
5
5
5
2
2
2
2
2
1
0
0
0
min °C
3
3
1
2
3
4
5
3
2
2
1
2
2
0
0
0
-1
-3
-3
-6
-5
-3
0
1
-2
-4
-4
-6
-5
-6
-8
-8
-7
-8
3250
3200
2950
2950
3500
3600
3550
3500
2950
2850
2750
2900
2850
2550
2450
2550
2450
Cloud base (m)
850
850
900
900
900
950
5750
1750
950
900
850
850
850
900
900
2250
Sea lvl1000m2000m3000m4000m5000m
11-203342-1-2-2-1-1-4-4-3-34423455422222100-1888767777777876651314141412141413141414141413131211
Sunrise
6:56
6:56
6:56
6:56
6:56
Sunset
4:51
4:51
4:52
4:52
4:53
4:54

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Mount San Antonio Weather (Days 0-3):

The weather forecast for Mount San Antonio is: Heavy rain (total 29mm), heaviest during Wed afternoon. Later becoming colder with a dusting of snow on Thu morning. Mild temperatures (max 5°C on Fri morning, min 1°C on Thu morning). Winds decreasing (near gales from the SSW on Thu morning, light winds from the SW by Fri morning).

Mount San Antonio Weather (Days 3-6):

Moderate rain (total 16mm), heaviest on Sun afternoon giving way to a moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 2°C on Sat afternoon, min -1°C on Mon night). Winds decreasing (near gales from the SSW on Sun morning, moderate winds from the SSW by Mon night).

This table gives the weather forecast for Mount San Antonio at the specific elevation of 2500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount San Antonio. 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 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
19 km S
440m alt.
2 hours ago
13° C
light rain
Light rain .
Wind obs. (13 kph from 110 degs) was rejected.
3 km
Low: broken
Mid: overcast
24 km S
207m alt.
3 hours ago
13° C
light rain
Mist light rain .
15
Light winds from the E
(15 kph at 90).
3 km
Low: overcast
27 km SSE
715m alt.
3 hours ago
14° C
light rain
Light rain .
6
Light winds from the N
(6 kph at 1).
6 km
Mid: few
High: broken
Crestline - CSS
31 km E
1615m alt.
1 hour ago
4° C
-
0
Calm
(0 kph at 0).
0
AJX - CSS
32 km ESE
519m alt.
2 hours ago
11° C
-
9
Light winds from the WSW
(9 kph at 254).
13
Marshall Peak - CSS
33 km ESE
1211m alt.
1 hour ago
11° C
-
6
Light winds from the NW
(6 kph at 323).
15
Chino Airport
34 km S
218m alt.
3 hours ago
14° C
light rain
Light rain .
11
Light winds from the ESE
(11 kph at 110).
8 km
Low: few
Mid: overcast
Mount Wilson Airport
40 km SW
1311m alt.
2 hours ago
clear
-
Wind obs. (13 kph from 150 degs) was rejected.
0.0 km
41 km E
1619m alt.
1 hour ago
-
0
Calm
(0 kph at 281).
0
41 km NE
880m alt.
2 hours ago
light rain
Light rain .
7
Light winds from the WSW
(7 kph at 240).
8 km
Mid: scattered
High: 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.

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