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

Alto San Juan Weather Forecast

Central Argentina-Chile · Chile
Issued: 2 am Tue 29 Sep Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

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

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Fri morning. Extremely cold (max -21°C on Fri morning, min -28°C on Fri night). Winds decreasing (extremely windy from the WNW on Fri morning, light winds from the WNW by Sun night).

Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
light snow
snow showers
heavy snow
mod snow
snow showers
clear
light snow
heavy snow
heavy snow
heavy snow
snow showers
clear
snow showers
snow showers
part cloud
snow showers
snow showers
cloudy
light snow
snow shwrs
heavy snow
mod. snow
snow shwrs
clear
light snow
heavy snow
heavy snow
heavy snow
snow shwrs
clear
snow shwrs
snow shwrs
some clouds
snow shwrs
snow shwrs
Cloud base (m)
7150
6400
5000
4650
4650
4600
4750
5550
4600
4600
4600
4600
4650
4950
4650
6150
4950
4900
km/h
75
W
95
WNW
80
W
100
W
100
WSW
65
WSW
60
WSW
70
WSW
90
WNW
105
WNW
110
WNW
85
WNW
105
W
95
W
85
W
75
W
45
W
20
WNW
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
3
6
11
6
3
—
3
25
18
14
2
—
1
1
—
1
1
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
max °C
-20
-19
-21
-21
-20
-18
-17
-17
-18
-21
-24
-25
-26
-26
-28
-26
-25
-26
min °C
-22
-21
-23
-21
-20
-19
-17
-18
-20
-22
-25
-28
-27
-27
-28
-27
-26
-27
 chill °C
-40
-40
-42
-41
-40
-37
-32
-34
-40
-44
-47
-52
-50
-49
-50
-48
-42
-39
Freezing level m
2600
3150
2300
2700
3050
3150
3550
3800
3400
3250
3050
1950
1850
2500
1500
2150
2450
1700
Sea lvl2000m4000m6000m8000m
-21-20-22-21-20-19-17-18-19-22-25-27-27-27-28-27-26-27-14-13-15-14-13-12-9-9-11-14-16-20-19-18-22-19-18-20-7-6-9-8-6-6-2-2-5-6-8-14-13-11-16-12-11-14-10-3-2115632-1-7-6-4-10-5-4-866357712121086-113-423-1
Sunrise
7:18
—
—
7:16
—
—
7:16
—
—
7:13
—
—
7:13
—
—
7:11
—
—
Sunset
—
7:39
—
—
7:40
—
—
7:40
—
—
7:42
—
—
7:43
—
—
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 Thu night. Extremely cold (max -17°C on Thu morning, min -23°C on Tue night). Winds increasing (near gales from the W on Wed night, extremely windy from the WNW by Thu night).

Alto San Juan Weather (Days 3-6):

A heavy fall of snow, heaviest during Fri morning. Extremely cold (max -21°C on Fri morning, min -28°C on Fri night). Winds decreasing (extremely windy from the WNW on Fri morning, light winds from the WNW 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 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
51 km ESE
1182m alt.
1 hour ago
8°C
Dry
2
Calm
(2 kph at 180).
8
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.
1 hour ago
19°C
-
66 km SW
739m alt.
1 hour ago
13°C
-
66 km WSW
656m alt.
1 hour ago
10°C
-
3
Calm
(3 kph at 0).
5
69 km WSW
688m alt.
53 minutes ago
12°C
-
74 km WSW
595m alt.
52 minutes ago
15°C
-
78 km WSW
536m alt.
1 hour ago
11°C
Dry
0
Calm
(0 kph at 293).
6
Quinta Normal
81 km WSW
520m alt.
2 hours ago
7°C
No report.
Lo Pinto
88 km W
488m alt.
2 hours ago
No report.
0
Calm
(0 kph at 100).

* 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.