– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 7 pm Sun 23 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 7 pm Sun 23 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 7 pm Sun 23 Aug 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 Tue afternoon. Temperatures will be well below freezing (max -9°C on Mon morning, min -16°C on Wed afternoon). Winds increasing (moderate winds from the WSW on Sun night, extremely windy from the WNW by Wed afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed night. Extremely cold (max -16°C on Wed night, min -23°C on Fri night). Winds decreasing (severe gales from the WNW on Wed night, strong winds from the WNW by Sat afternoon). | |||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | | | | |  |  | | | |
some clouds | clear | clear | snow shwrs | mod. snow | heavy snow | heavy snow | heavy snow | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | light snow | light snow | heavy snow | |
Cloud base (m) | 5950 | 8700 | 5950 | 4650 | 4600 | 4600 | 4650 | 4650 | 4600 | 4600 | 4600 | 4650 | 4600 | 4600 | 4600 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | 1 | 7 | 21 | 34 | 18 | 18 | 32 | 15 | 12 | 10 | 3 | 4 | 15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -12 | -9 | -9 | -10 | -11 | -10 | -12 | -15 | -15 | -16 | -17 | -17 | -20 | -22 | -20 | -21 |
min °C | -13 | -12 | -10 | -12 | -11 | -11 | -14 | -15 | -16 | -18 | -18 | -18 | -22 | -22 | -21 | -23 |
chill °C | -25 | -23 | -21 | -25 | -24 | -25 | -30 | -32 | -34 | -36 | -35 | -35 | -40 | -40 | -38 | -40 |
Freezing level m | 2850 | 3450 | 3200 | 2850 | 2950 | 3150 | 2850 | 2700 | 2600 | 2550 | 2650 | 2450 | 1900 | 2100 | 2200 | 1850 |
 | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — |
 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — | — | 6:17 | — |
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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. Temperatures will be well below freezing (max -9°C on Mon morning, min -16°C on Wed afternoon). Winds increasing (moderate winds from the WSW on Sun night, extremely windy from the WNW by Wed afternoon).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed night. Extremely cold (max -16°C on Wed night, min -23°C on Fri night). Winds decreasing (severe gales from the WNW on Wed night, strong winds from the WNW by Sat afternoon).
This table gives the weather forecast for Alto San Juan at the specific elevation of 5000 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.