– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 1 am Thu 20 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 1 am Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 1 am Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
5 Alto San Juan Elevations: 5 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Extremely cold (max -17°C on Thu morning, min -22°C on Sat night). Winds increasing (strong winds from the SW on Thu morning, severe gales from the W by Sat afternoon). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Tue afternoon. Extremely cold (max -15°C on Mon morning, min -21°C on Sun morning). Winds increasing (fresh winds from the SW on Sun night, extremely windy from the W by Tue night). | |||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  |  | | | | | |  |  |  |  | |
clear | some clouds | clear | clear | some clouds | clear | some clouds | cloudy | light snow | clear | clear | clear | clear | clear | snow shwrs | mod. snow | heavy snow | heavy snow | |
Cloud base (m) | 7800 | 6200 | 5950 | 5500 | 6000 | 8800 | 5650 | 4650 | 4600 | 4600 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 3 | 8 | 11 | 18 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -17 | -18 | -19 | -17 | -17 | -18 | -18 | -18 | -21 | -19 | -19 | -17 | -15 | -15 | -16 | -17 | -17 | -18 |
min °C | -19 | -18 | -20 | -19 | -17 | -18 | -18 | -19 | -22 | -21 | -20 | -19 | -17 | -16 | -17 | -17 | -17 | -19 |
chill °C | -33 | -32 | -38 | -36 | -33 | -34 | -34 | -37 | -39 | -37 | -37 | -31 | -31 | -29 | -34 | -34 | -36 | -40 |
Freezing level m | 3700 | 3700 | 2900 | 3600 | 3500 | 3200 | 3650 | 3500 | 2950 | 3450 | 3200 | 2850 | 3500 | 3300 | 2900 | 3200 | 3400 | 3200 |
 | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — |
 | — | 6:13 | — | — | 6:14 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
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Alto San Juan Weather (Days 0-3):
The weather forecast for Alto San Juan is: A dusting of new snow. Extremely cold (max -17°C on Thu morning, min -22°C on Sat night). Winds increasing (strong winds from the SW on Thu morning, severe gales from the W by Sat afternoon).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue afternoon. Extremely cold (max -15°C on Mon morning, min -21°C on Sun morning). Winds increasing (fresh winds from the SW on Sun night, extremely windy from the W by Tue 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.
| 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.