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

Alto San Juan Weather Forecast

Central Argentina-Chile · Chile
Issued: 8 am Sat 26 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

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

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Thu night. Extremely cold (max -17°C on Thu afternoon, min -23°C on Tue morning). Winds increasing (near gales from the WSW on Thu morning, extremely windy from the WNW by Thu night).

Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
cloud
cloud
light snow
part cloud
light snow
mod snow
snow showers
clear
part cloud
light snow
mod snow
mod snow
snow showers
snow showers
mod snow
heavy snow
cloudy
cloudy
cloudy
cloudy
light snow
some clouds
light snow
mod. snow
snow shwrs
clear
some clouds
light snow
mod. snow
mod. snow
snow shwrs
snow shwrs
mod. snow
heavy snow
Cloud base (m)
5750
5950
6250
6200
5900
5500
5550
4650
4600
6900
5400
4900
4650
4650
4700
4600
4600
km/h
115
WNW
115
WNW
110
WNW
110
WNW
110
WNW
95
WNW
110
NW
105
NW
95
WNW
75
WSW
80
WNW
80
W
110
WSW
100
WSW
75
SW
60
WSW
65
W
95
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
1
—
1
10
3
—
—
1
6
9
5
7
6
21
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-17
-17
-18
-17
-18
-20
-20
-20
-23
-22
-21
-21
-21
-20
-18
-18
-17
-18
min °C
-18
-18
-18
-18
-18
-20
-20
-22
-25
-23
-21
-23
-21
-20
-19
-18
-17
-20
 chill °C
-38
-38
-37
-37
-37
-40
-40
-42
-46
-42
-40
-43
-42
-40
-37
-34
-33
-41
Freezing level m
3250
3650
3150
3200
3600
2850
3300
3300
2300
2350
3250
2750
2550
2850
3050
3350
3650
3350
Sea lvl2000m4000m6000m8000m
-18-18-18-18-18-20-20-21-24-23-21-22-21-20-19-18-17-19-10-10-12-11-10-13-12-13-17-15-13-15-15-13-12-11-10-11-4-3-6-4-3-7-5-6-11-9-7-9-9-7-6-4-3-534134022-4-21-2-3-11343101179117993475467101110
Sunrise
7:22
—
—
7:20
—
—
7:20
—
—
7:18
—
—
7:16
—
—
7:16
—
—
Sunset
—
7:37
—
—
7:38
—
—
7:38
—
—
7:39
—
—
7:40
—
—
7:40
—

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Alto San Juan Weather (Days 0-3):

The weather forecast for Alto San Juan is: A moderate fall of snow, heaviest on Mon afternoon. Extremely cold (max -17°C on Sat morning, min -25°C on Mon night). Winds decreasing (extremely windy from the WNW on Sat afternoon, stormy winds from the W by Mon night).

Alto San Juan Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu night. Extremely cold (max -17°C on Thu afternoon, min -23°C on Tue morning). Winds increasing (near gales from the WSW on Thu morning, extremely windy from the WNW by Thu 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.
2 hours ago
26°C
Dry
0
Calm
(0 kph at 90).
11
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
-
66 km SW
739m alt.
54 minutes ago
17°C
-
66 km WSW
656m alt.
50 minutes ago
19°C
-
3
Calm
(3 kph at 0).
6
67 km WSW
666m alt.
2 hours ago
18°C
partially cloudy
Dry and partly cloudy.
0
Calm
(0 kph at 0).
10.0 km
Low: broken
69 km WSW
688m alt.
2 hours ago
18°C
-
74 km WSW
595m alt.
2 hours ago
22°C
-
78 km WSW
536m alt.
58 minutes ago
21°C
Dry
0
Calm
(0 kph at 0).
3
Quinta Normal
81 km WSW
520m alt.
2 hours ago
-

* 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.