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

Alto San Juan Weather Forecast

Central Argentina-Chile · Chile
Issued: 2 pm Wed 30 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–4 Weather Summary

A heavy fall of snow, heaviest during Fri afternoon. Extremely cold (max -18°C on Thu morning, min -28°C on Fri night). Winds decreasing (extremely windy from the WSW on Wed afternoon, gales from the WSW by Wed night).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Mon night. Extremely cold (max -25°C on Sun afternoon, min -29°C on Sat night). Winds decreasing (stormy winds from the W on Sat afternoon, light winds from the WNW by Mon morning).

Wed
30
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
snow showers
snow showers
snow showers
snow showers
heavy snow
heavy snow
heavy snow
snow showers
clear
snow showers
snow showers
clear
snow showers
part cloud
part cloud
light snow
snow showers
snow shwrs
snow shwrs
snow shwrs
snow shwrs
heavy snow
heavy snow
heavy snow
snow shwrs
clear
snow shwrs
snow shwrs
clear
snow shwrs
some clouds
some clouds
light snow
snow shwrs
Cloud base (m)
4650
5000
4650
4750
4600
4600
4600
4600
4650
5200
4600
7850
5500
4650
4650
5300
4600
km/h
130
WSW
85
WSW
65
WSW
75
WSW
90
W
105
WNW
110
WNW
80
W
105
W
100
W
90
W
80
W
60
WSW
20
W
15
WNW
45
WNW
50
W
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
12
7
2
2
19
16
20
6
—
1
1
—
1
—
—
4
5
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-21
-19
-18
-19
-19
-21
-23
-24
-26
-26
-28
-26
-25
-26
-26
-26
-25
min °C
-22
-21
-19
-19
-20
-22
-25
-28
-27
-27
-29
-28
-25
-27
-26
-26
-26
 chill °C
-44
-41
-36
-36
-40
-43
-48
-52
-50
-49
-52
-50
-44
-39
-37
-43
-43
Freezing level m
2850
2800
3300
3650
3350
3250
3200
1800
1700
2450
1700
1900
2600
1600
2000
2600
1900
Sea lvl2000m4000m6000m8000m
-22-20-19-19-20-22-24-26-27-27-29-27-25-27-26-26-26-14-14-11-11-12-13-15-20-19-18-22-19-17-21-19-18-19-8-8-4-3-5-5-8-13-13-11-15-13-10-15-12-10-13-1-235321-7-6-4-9-5-4-9-5-2-6651011997103-314-3241
Sunrise
—
—
7:16
—
—
7:13
—
—
7:13
—
—
7:11
—
—
7:09
—
—
Sunset
7:40
—
—
7:40
—
—
7:42
—
—
7:43
—
—
7:44
—
—
7:44
—

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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 Fri afternoon. Extremely cold (max -18°C on Thu morning, min -28°C on Fri night). Winds decreasing (extremely windy from the WSW on Wed afternoon, gales from the WSW by Wed night).

Alto San Juan Weather (Days 3-6):

A moderate fall of snow, heaviest on Mon night. Extremely cold (max -25°C on Sun afternoon, min -29°C on Sat night). Winds decreasing (stormy winds from the W on Sat afternoon, light winds from the WNW by Mon 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.
44 minutes ago
17°C
Dry
Wind obs. (13 kph from 315 degs) was rejected.
64 km WSW
830m alt.
2 hours ago
-
66 km SW
739m alt.
2 hours ago
14°C
-
66 km WSW
656m alt.
50 minutes ago
14°C
-
2
Calm
(2 kph at 0).
3
67 km WSW
666m alt.
2 hours ago
14°C
cloudy
Dry and cloudy.
6
Light winds from the W
(6 kph at 270).
8.0 km
Low: overcast
69 km WSW
688m alt.
1 hour ago
13°C
-
74 km WSW
595m alt.
1 hour ago
18°C
-
78 km WSW
536m alt.
1 hour ago
15°C
Dry
3
Calm
(3 kph at 180).
6
89 km WSW
709m alt.
2 hours ago
16°C
partially cloudy
Dry and partly cloudy.
15
Light winds from the S
(15 kph at 170).
10.0 km
Low: broken
Mid: broken
90 km W
723m alt.
2 hours ago
18°C
Dry
2
Calm
(2 kph at 225).
5

* 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.