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

Alto San Juan Weather Forecast

Central Argentina-Chile · Chile
Issued: 8 am Fri 18 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

A heavy fall of snow, heaviest during Sat night. Extremely cold (max -18°C on Sat afternoon, min -25°C on Sun morning). Winds increasing (moderate winds from the WNW on Fri afternoon, extremely windy from the WSW by Sun morning).

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Wed afternoon. Extremely cold (max -15°C on Mon afternoon, min -20°C on Wed afternoon). Winds increasing (severe gales from the W on Mon morning, extremely windy from the W by Wed night).

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
snow showers
snow showers
clear
mod snow
heavy snow
mod snow
light snow
mod snow
snow showers
snow showers
snow showers
snow showers
snow showers
heavy snow
mod snow
heavy snow
heavy snow
clear
snow shwrs
snow shwrs
clear
mod. snow
heavy snow
mod. snow
light snow
mod. snow
snow shwrs
snow shwrs
snow shwrs
snow shwrs
snow shwrs
heavy snow
mod. snow
heavy snow
heavy snow
Cloud base (m)
8850
5900
4900
4850
4600
4650
4750
5200
4650
4650
4650
4800
4750
4600
4700
4650
4600
km/h
40
WNW
40
WNW
65
NW
40
W
85
WNW
115
WNW
150
W
150
WSW
100
W
85
W
85
W
95
WSW
80
WSW
80
W
85
W
120
W
115
W
150
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
1
3
8
46
9
2
6
8
2
5
2
5
18
6
17
20
 mm
max °C
-20
-20
-20
-19
-18
-19
-23
-22
-19
-17
-15
-15
-16
-16
-17
-18
-18
-18
min °C
-21
-20
-21
-20
-19
-24
-25
-23
-22
-18
-16
-16
-16
-16
-18
-19
-20
-20
 chill °C
-35
-34
-37
-34
-38
-48
-50
-47
-44
-36
-33
-33
-33
-33
-38
-39
-41
-43
Freezing level m
2950
3500
2800
2750
3350
2850
2450
2400
2500
3250
3400
3250
3150
3450
3100
2850
2800
2650
Sea lvl2000m4000m6000m8000m
-21-20-21-20-19-22-24-23-21-18-16-16-16-16-18-19-19-19-12-12-14-13-11-14-17-16-14-11-9-10-10-9-11-12-13-13-6-5-7-7-5-7-10-10-8-5-4-5-4-4-6-7-7-823-102-1-5-4-2221230-1-1-3896796335898997655
Sunrise
7:33
7:31
7:31
7:30
7:28
7:26
Sunset
7:31
7:32
7:34
7:35
7:35
7:36

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Alto San Juan Weather (Days 0-3):

The weather forecast for Alto San Juan is: A heavy fall of snow, heaviest during Sat night. Extremely cold (max -18°C on Sat afternoon, min -25°C on Sun morning). Winds increasing (moderate winds from the WNW on Fri afternoon, extremely windy from the WSW by Sun morning).

Alto San Juan Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed afternoon. Extremely cold (max -15°C on Mon afternoon, min -20°C on Wed afternoon). Winds increasing (severe gales from the W on Mon morning, extremely windy from the W by Wed 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 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
51 km ESE
1182m alt.
56 minutes ago
18°C
Dry
0
Calm
(0 kph at 0).
0
64 km WSW
830m alt.
1 hour ago
18°C
-
66 km SW
739m alt.
1 hour ago
19°C
-
66 km WSW
656m alt.
52 minutes ago
11°C
-
0
Calm
(0 kph at 0).
3
74 km WSW
595m alt.
51 minutes ago
17°C
-
78 km WSW
536m alt.
2 hours ago
12°C
Dry
3
Calm
(3 kph at 135).
6
89 km WSW
709m alt.
3 hours ago
8°C
clear
-
2
Calm
(2 kph at 1).
0.4 km
High: scattered
90 km W
723m alt.
2 hours ago
13°C
Dry
0
Calm
(0 kph at 90).
2
MendozaObservatorio
109 km NE
879m alt.
2 hours ago
15°C
-
Wind obs. (9 kph from 250 degs) was rejected.
35 km
Mid: scattered
117 km SSW
63m alt.
2 hours ago
10°C
clear
-
Wind obs. (7 kph from 200 degs) was rejected.
10.0 km
Low: few

* 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.