Mountain resort image
– Lat/Long: 33.47° S 69.82° W

Alto San Juan
Weather Forecast, Chile

Issued: 2 am Thu 11 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri afternoon, min -5°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the WNW by Sat night).

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 3°C on Tue afternoon, min -8°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun morning, calm by Mon night).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
clear
clear
clear
part cloud
clear
light snow
snow showers
mod snow
snow showers
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
clear
light snow
snow shwrs
mod. snow
snow shwrs
clear
clear
clear
clear
clear
clear
clear
 km/h
20
WNW
20
W
5
S
10
WSW
15
WSW
20
W
30
W
30
W
30
WNW
35
WNW
30
W
20
SW
25
WSW
25
WSW
5
S
15
W
25
WSW
25
W
 cm 
1
2
8
6
 mm 
max°C
-1
0
-2
1
2
-1
-1
-1
-3
-6
-6
-5
-1
0
-1
2
3
0
min°C
-2
0
-2
-1
2
-3
-2
-2
-5
-6
-7
-8
-2
0
-2
1
3
-1
chill°C 
-8
-5
-5
-5
-2
-10
-9
-9
-14
-15
-16
-15
-9
-6
-7
-4
-2
-7
Freezing level (m
3700
4000
3700
3850
4350
3850
3700
3850
3500
3100
3100
2800
3550
4000
3650
4100
4450
3850
Cloud base (m)
4800
6050
4950
4750
5500
5250
5000
4650
4650
5300
Sea lvl2000m4000m6000m8000m
-18-17-15-14-12-15-16-18-19-22-22-18-15-14-15-14-14-16-10-8-8-6-5-8-9-9-11-14-14-12-8-7-8-6-5-8-20-202-2-2-2-4-6-7-7-20-223-168479466311-15759116131411131611121310876111312151813
Sunrise
6:22
6:22
6:22
6:22
6:22
6:24
Sunset
8:42
8:43
8:44
8:44
8:45
8:45

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Alto San Juan Weather (Days 0-3):

The weather forecast for Alto San Juan is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri afternoon, min -5°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the WNW by Sat night).

Alto San Juan Weather (Days 3-6):

A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 3°C on Tue afternoon, min -8°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun morning, calm by Mon night).

This table gives the weather forecast for Alto San Juan at the specific elevation of 4000 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Alto San Juan. 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 Chile.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
64 km WSW
830m alt.
1 hour ago
21° C
-
66 km WSW
656m alt.
2 hours ago
16° C
-
3
Calm
(3 kph at 0).
5
69 km WSW
688m alt.
43 minutes ago
17° C
-
74 km WSW
595m alt.
1 hour ago
18° C
-
78 km WSW
536m alt.
1 hour ago
14° C
Dry
3
Calm
(3 kph at 135).
6
QuintaNormal
81 km WSW
520m alt.
52 minutes ago
15° C
partially cloudy
Clouds developing.
2
Calm
(2 kph at 180).
30 km
Mid: overcast
89 km WSW
709m alt.
2 hours ago
15° C
partially cloudy
Dry and partly cloudy.
Wind obs. (7 kph from 160 degs) was rejected.
10.0 km
Low: broken
Mid: broken
90 km W
723m alt.
51 minutes ago
16° C
Dry
0
Calm
(0 kph at 225).
3
Mendoz / l Plumerillo Airport
122 km NE
685m alt.
2 hours ago
22° C
clear
Shower - in the vicinity.
28
Moderate winds from the S
(28 kph at 180).
10.0 km
Low: scattered
Mid: few
High: scattered
141 km SW
137m alt.
1 hour ago
16° C
Dry
0
Calm
(0 kph at 314).
0

* 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.