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

Alto San Juan Weather Forecast

Central Argentina-Chile · Chile
Issued: 2 pm Fri 18 Sep Local Time
Updates in:
hr min s
Update imminent

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Sat night. Extremely cold (max -17°C on Mon morning, min -25°C on Sun morning). Winds increasing (moderate winds from the WNW on Fri afternoon, extremely windy from the W by Sun morning).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Wed afternoon. Extremely cold (max -14°C on Mon afternoon, min -22°C on Wed night). Winds increasing (severe gales from the W on Mon afternoon, extremely windy from the W by Thu morning).

Fri
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
snow showers
snow showers
part cloud
mod snow
heavy snow
mod snow
light snow
snow showers
snow showers
snow showers
snow showers
snow showers
snow showers
heavy snow
mod snow
heavy snow
mod snow
snow shwrs
snow shwrs
some clouds
mod. snow
heavy snow
mod. snow
light snow
snow shwrs
snow shwrs
snow shwrs
snow shwrs
snow shwrs
snow shwrs
heavy snow
mod. snow
heavy snow
mod. snow
Cloud base (m)
6150
4700
4800
5550
4600
4650
4700
5400
4650
4700
4700
4900
5000
4600
4650
4600
5400
km/h
35
WNW
65
NW
45
W
85
WNW
115
WNW
150
W
155
WSW
110
WSW
85
W
80
W
85
WSW
95
WSW
90
WSW
100
W
110
W
120
W
140
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
2
5
6
46
10
2
4
4
1
2
1
1
18
10
14
6
 mm
max °C
-20
-20
-19
-18
-19
-24
-23
-19
-17
-14
-15
-17
-17
-17
-17
-17
-19
min °C
-20
-21
-20
-19
-24
-25
-23
-22
-18
-15
-16
-17
-18
-18
-18
-18
-22
 chill °C
-34
-38
-34
-38
-48
-50
-47
-44
-36
-31
-33
-35
-36
-36
-37
-38
-45
Freezing level m
3500
3150
2750
3300
2800
2350
2350
2500
3100
3300
3200
3250
3400
3050
3050
3150
2600
Sea lvl2000m4000m6000m8000m
-20-21-20-19-22-25-23-21-18-15-16-17-18-18-18-18-21-12-13-13-11-14-17-16-14-11-9-10-10-11-11-11-11-14-5-7-6-5-8-11-10-8-5-4-5-5-4-5-6-6-93-112-2-4-4-212123111-396786224788997774
Sunrise
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 -17°C on Mon morning, min -25°C on Sun morning). Winds increasing (moderate winds from the WNW on Fri afternoon, extremely windy from the W by Sun morning).

Alto San Juan Weather (Days 3-6):

A heavy fall of snow, heaviest during Wed afternoon. Extremely cold (max -14°C on Mon afternoon, min -22°C on Wed night). Winds increasing (severe gales from the W on Mon afternoon, extremely windy from the W by Thu morning).

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.
1 hour ago
24°C
Dry
0
Calm
(0 kph at 45).
10
San José Guayacán
52 km SW
930m alt.
2 hours ago
6°C
No report.
Wind obs. (14 kph from 180 degs) was rejected.
64 km WSW
830m alt.
1 hour ago
18°C
-
66 km SW
739m alt.
1 hour ago
26°C
-
66 km WSW
656m alt.
50 minutes ago
25°C
-
5
Calm
(5 kph at 0).
10
67 km WSW
666m alt.
3 hours ago
25°C
partially cloudy
Dry and partly cloudy.
13
Light winds from the WSW
(13 kph at 240).
8.0 km
Low: broken
74 km WSW
595m alt.
59 minutes ago
27°C
-
78 km WSW
536m alt.
1 hour ago
26°C
Dry
3
Calm
(3 kph at 225).
10
Lo Pinto
88 km W
488m alt.
2 hours ago
No report.
0
Calm
(0 kph at 100).
89 km WSW
709m alt.
3 hours ago
26°C
partially cloudy
Dry and partly cloudy.
4
Calm
(4 kph at 1).
10.0 km
Low: scattered

* 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.