– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 2 am Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 2 am Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
5 Alto San Juan Elevations: 5 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Tue afternoon. Extremely cold (max -17°C on Sun afternoon, min -26°C on Tue night). Winds increasing (strong winds from the WNW on Sun night, severe gales from the WNW by Tue night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Thu afternoon. Extremely cold (max -20°C on Fri morning, min -29°C on Fri night). Mainly extremely windy. | |||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | |  |  | |  | |  | | | |  | | | |
some clouds | some clouds | snow shwrs | snow shwrs | snow shwrs | snow shwrs | light snow | mod. snow | snow shwrs | clear | snow shwrs | clear | clear | light snow | snow shwrs | cloudy | light snow | snow shwrs | |
Cloud base (m) | 8650 | 6850 | 4850 | 4650 | 4700 | 5300 | 5000 | 4700 | 4850 | 6150 | 5700 | 4650 | 7100 | 6350 | 4650 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 4 | 2 | 4 | 1 | 3 | 10 | 1 | — | 1 | — | — | 5 | 1 | — | 3 | 2 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -18 | -17 | -20 | -21 | -21 | -22 | -23 | -23 | -25 | -25 | -23 | -24 | -24 | -24 | -21 | -20 | -21 | -23 |
min °C | -18 | -18 | -21 | -21 | -21 | -24 | -24 | -24 | -26 | -26 | -24 | -24 | -24 | -24 | -25 | -21 | -22 | -29 |
chill °C | -33 | -33 | -38 | -36 | -37 | -43 | -42 | -42 | -46 | -47 | -44 | -44 | -44 | -43 | -45 | -41 | -42 | -50 |
Freezing level m | 2850 | 3450 | 2850 | 3000 | 3200 | 2650 | 3050 | 3100 | 2450 | 2450 | 3050 | 2300 | 2700 | 3000 | 1950 | 2900 | 3200 | 2200 |
 | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | 7:53 | — | — | 7:54 | — | — | 7:55 | — | — | 7:57 | — | — | 7:58 | — | — | 7:58 | — |
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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 Tue afternoon. Extremely cold (max -17°C on Sun afternoon, min -26°C on Tue night). Winds increasing (strong winds from the WNW on Sun night, severe gales from the WNW by Tue night).
Alto San Juan Weather (Days 3-6):
A moderate fall of snow, heaviest on Thu afternoon. Extremely cold (max -20°C on Fri morning, min -29°C on Fri night). Mainly extremely windy.
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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
MendozaAero |
* 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.