– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 8 pm Sat 03 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Sat 03 Oct Local Time
Updates in:
Update imminent hr min s
5 Alto San Juan Elevations: 5 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Mon night. Extremely cold (max -19°C on Mon afternoon, min -28°C on Sat night). Winds decreasing (stormy winds from the W on Sat night, near gales from the WNW by Sun afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Extremely cold (max -21°C on Fri afternoon, min -26°C on Wed night). Winds increasing (near gales from the NW on Wed night, severe gales from the WSW by Fri afternoon). | |||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | |  | | |  |  | | | |
cloudy | some clouds | snow shwrs | mod. snow | light snow | mod. snow | heavy snow | heavy snow | heavy snow | snow shwrs | snow shwrs | snow shwrs | clear | clear | some clouds | clear | |
Cloud base (m) | 5300 | 5550 | 5700 | 4600 | 4650 | 4600 | 4650 | 4650 | 4600 | 4600 | 4750 | 4750 | 6200 | 6400 | 5500 | 4850 |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | 1 | 10 | 5 | 10 | 51 | 18 | 15 | 11 | 8 | 3 | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -26 | -23 | -22 | -23 | -21 | -19 | -19 | -20 | -20 | -22 | -23 | -24 | -25 | -24 | -24 | -25 |
min °C | -28 | -26 | -22 | -25 | -23 | -21 | -20 | -20 | -21 | -23 | -24 | -24 | -26 | -26 | -24 | -26 |
chill °C | -50 | -46 | -39 | -45 | -42 | -40 | -39 | -39 | -38 | -41 | -42 | -42 | -45 | -45 | -42 | -47 |
Freezing level m | 1950 | 2150 | 2600 | 2350 | 2400 | 2900 | 2950 | 3100 | 3350 | 2800 | 2800 | 3050 | 2300 | 2400 | 3000 | 2050 |
 | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — |
 | — | — | 7:44 | — | — | 7:44 | — | — | 7:45 | — | — | 7:45 | — | — | 7:46 | — |
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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 Mon night. Extremely cold (max -19°C on Mon afternoon, min -28°C on Sat night). Winds decreasing (stormy winds from the W on Sat night, near gales from the WNW by Sun afternoon).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed morning. Extremely cold (max -21°C on Fri afternoon, min -26°C on Wed night). Winds increasing (near gales from the NW on Wed night, severe gales from the WSW by Fri afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
Mendoz / l Plumerillo Airport |  |
* 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.