– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 8 am Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 8 am Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
5 Alto San Juan Elevations: 5 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Mon afternoon. Temperatures will be below freezing (max -3°C on Sun morning, min -12°C on Mon night). Winds decreasing (strong winds from the WNW on Sun afternoon, moderate winds from the W by Tue night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -1°C on Thu morning, min -16°C on Fri night). Winds increasing (light winds from the WSW on Thu morning, strong winds from the WNW by Fri afternoon). | |||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | |  |  | | | | |  |  | | | |
cloudy | light snow | some clouds | cloudy | snow shwrs | snow shwrs | some clouds | cloudy | light snow | mod. snow | snow shwrs | some clouds | some clouds | snow shwrs | mod. snow | heavy snow | heavy snow | snow shwrs | |
Cloud base (m) | 5950 | 5650 | 5600 | 4700 | 4600 | 4650 | 6500 | 4700 | 4650 | 4650 | 4850 | 5050 | 5400 | 4600 | 4600 | 4600 | 4650 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 1 | — | — | 5 | 2 | — | — | 5 | 6 | 2 | — | — | 1 | 9 | 13 | 11 | 4 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -3 | -4 | -6 | -5 | -5 | -10 | -5 | -5 | -7 | -7 | -5 | -5 | -1 | -1 | -3 | -5 | -7 | -11 |
min °C | -4 | -4 | -7 | -5 | -6 | -12 | -10 | -6 | -9 | -8 | -6 | -6 | -4 | -2 | -5 | -5 | -9 | -16 |
chill °C | -13 | -13 | -16 | -14 | -16 | -22 | -19 | -15 | -18 | -18 | -15 | -14 | -10 | -9 | -14 | -14 | -20 | -28 |
Freezing level m | 3300 | 3500 | 2800 | 3250 | 3350 | 2300 | 2450 | 3200 | 2750 | 2700 | 3100 | 3150 | 3450 | 3900 | 3450 | 3350 | 3100 | 1800 |
 | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:13 | — | — |
 | — | 7:38 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:40 | — | — | 7:42 | — |
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Alto San Juan Weather (Days 0-3):
The weather forecast for Alto San Juan is: A moderate fall of snow, heaviest on Mon afternoon. Temperatures will be below freezing (max -3°C on Sun morning, min -12°C on Mon night). Winds decreasing (strong winds from the WNW on Sun afternoon, moderate winds from the W by Tue night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -1°C on Thu morning, min -16°C on Fri night). Winds increasing (light winds from the WSW on Thu morning, strong winds from the WNW by Fri afternoon).
This table gives the weather forecast for Alto San Juan at the specific elevation of 4000 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 |
|---|---|---|---|---|---|
San José Guayacán | |||||
Aerodrómo Eulogio Sánchez Airport |  | ||||
Quinta Normal |
* 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.