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

CiAlto San Juan
Weather Forecast, Chile

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Issued: 8 am Sat 21 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Mostly dry. Temperatures will be well below freezing (max -9°C on Sun morning, min -14°C on Mon night). Winds decreasing (severe gales from the SW on Sat morning, fresh winds from the W by Sun night).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Wed afternoon. Extremely cold (max -12°C on Tue afternoon, min -14°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

A heavy fall of snow, heaviest during Sat afternoon. Extremely cold (max -11°C on Sun afternoon, min -14°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the W by Sun night).

Days 10–12 Weather Summary

A heavy fall of snow, heaviest during Tue night. Temperatures will be well below freezing (max -10°C on Tue afternoon, min -14°C on Mon morning). Winds increasing (light winds from the NNW on Tue afternoon, gales from the W by Wed night).

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
snow showers
part cloud
heavy snow
snow showers
clear
snow showers
snow showers
part cloud
mod snow
snow showers
part cloud
snow showers
snow showers
snow showers
snow showers
part cloud
clear
clear
clear
clear
snow showers
snow showers
snow showers
snow showers
snow showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
snow shwrs
some clouds
heavy snow
snow shwrs
clear
snow shwrs
snow shwrs
some clouds
mod. snow
snow shwrs
some clouds
snow shwrs
snow shwrs
snow shwrs
snow shwrs
some clouds
clear
clear
clear
clear
snow shwrs
snow shwrs
snow shwrs
snow shwrs
snow shwrs
 km/h
80
SW
60
WSW
50
WSW
45
WSW
40
WSW
35
W
45
W
55
W
35
W
25
SW
15
SSW
5
WSW
5
NNE
5
W
5
NE
5
WNW
5
W
10
NW
10
W
10
WSW
5
E
5
NE
5
N
15
NNE
20
NW
10
WNW
35
NW
40
W
40
W
25
WNW
30
WNW
15
NW
25
NNE
30
NNW
30
NW
50
NW
T chile.wind.9.cc23
T chile.wind.33.cc23
T chile.wind.57.cc23
T chile.wind.81.cc23
T chile.wind.105.cc23
T chile.wind.129.cc23
T chile.wind.153.cc23
T chile.wind.177.cc23
T chile.wind.201.cc23
T chile.wind.225.cc23
T chile.wind.249.cc23
T chile.wind.273.cc23
 cm 
1.0
20
2.0
6
3
10
8
12
13
1.0
3
1.0
12
3
7
1.0
 mm 
max°C
-13
-11
-11
-9
-10
-11
-12
-12
-12
-13
-12
-13
-12
-12
-13
-12
-12
-13
-12
-12
-13
-12
-12
-12
-12
-11
-12
-12
-12
-12
-11
-10
-10
-12
-12
-13
min°C
-13
-12
-11
-10
-10
-12
-13
-13
-14
-13
-12
-14
-13
-13
-13
-13
-12
-13
-12
-12
-13
-13
-12
-13
-13
-11
-14
-14
-12
-12
-12
-11
-13
-12
-12
-14
chill°C 
-28
-26
-24
-21
-21
-23
-26
-26
-26
-22
-19
-14
-16
-17
-18
-13
-16
-18
-18
-17
-18
-17
-12
-21
-22
-17
-26
-26
-23
-22
-22
-17
-24
-22
-22
-27
Freezing level (m
4100
4600
4450
4650
4950
4550
4450
4600
4300
4300
4700
4300
4350
4500
4250
4300
4450
4250
4300
4500
4200
4200
4400
4200
4300
4550
4050
4150
4600
4250
4350
4750
4500
4400
4600
4150
Cloud base (m)
4600
5200
5250
6350
5000
5300
4950
4850
4600
4650
4650
4700
5750
5000
6050
4850
4600
5350
4600
4700
4600
4650
4700
5000
Sea lvl2000m4000m6000m8000m
-13-12-11-10-10-12-13-13-13-13-12-14-13-13-13-13-12-13-12-12-13-13-12-13-13-11-13-13-12-12-12-11-12-12-12-14-5-3-4-2-1-3-4-3-5-5-3-6-4-4-6-5-4-6-5-4-6-5-4-5-5-3-6-5-3-5-4-2-4-4-3-6253674452352432332331232341242453441912101315111213911139111081011810108998101171012810131011128151917192217181915171916181615161715161714151614161813161814171917171815
Sunrise
6:26
6:26
6:26
6:28
6:28
6:28
6:30
6:30
6:31
6:31
6:31
6:33
Sunset
8:49
8:49
8:50
8:50
8:50
8:51
8:51
8:51
8:52
8:52
8:52
8:52

Alto San Juan Weather (Days 0-3):

The weather forecast for Alto San Juan is: Mostly dry. Temperatures will be well below freezing (max -9°C on Sun morning, min -14°C on Mon night). Winds decreasing (severe gales from the SW on Sat morning, fresh winds from the W by Sun night).

Alto San Juan Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed afternoon. Extremely cold (max -12°C on Tue afternoon, min -14°C on Tue night). Wind will be generally light.

Alto San Juan Weather (Days 6-9):

A heavy fall of snow, heaviest during Sat afternoon. Extremely cold (max -11°C on Sun afternoon, min -14°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the W by Sun night).

This table gives the weather forecast for Alto San Juan at the specific elevation of 6148 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
51 km ESE
1182m alt.
47 minutes ago
26° C
Dry
0
Calm
(0 kph at 270).
13
San José Guayacán
52 km SW
930m alt.
2 hours ago
6° C
No report.
14
Light winds from the S
(14 kph at 180).
64 km WSW
830m alt.
52 minutes ago
21° C
-
67 km WSW
666m alt.
2 hours ago
clear
-
0
Calm
(0 kph at 0).
0.0 km
69 km WSW
688m alt.
38 minutes ago
27° C
-
Quinta Normal
81 km WSW
520m alt.
2 hours ago
-
Lo Pinto
88 km W
488m alt.
2 hours ago
No report.
0
Calm
(0 kph at 100).
89 km WSW
709m alt.
2 hours ago
clear
-
7
Light winds from the N
(7 kph at 1).
0.0 km
90 km W
723m alt.
51 minutes ago
31° C
Dry
5
Calm
(5 kph at 225).
10
Pudahuel
91 km WSW
481m alt.
2 hours ago
-
11
Light winds from the SSE
(11 kph at 160).

* 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.