– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 2 am Thu 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 2 am Thu 17 Sep 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 Sat night. Extremely cold (max -18°C on Thu morning, min -22°C on Thu night). Winds increasing (moderate winds from the WNW on Thu morning, extremely windy from the W by Sat night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sun morning. Extremely cold (max -13°C on Mon morning, min -22°C on Sun morning). Winds decreasing (extremely windy from the W on Sun morning, near gales from the WSW by Mon morning). | |||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  | | |  |  |  | |  | |  | | | | |
clear | clear | clear | clear | snow shwrs | snow shwrs | clear | snow shwrs | heavy snow | heavy snow | light snow | snow shwrs | some clouds | some clouds | some clouds | snow shwrs | snow shwrs | heavy snow | |
Cloud base (m) | 9200 | 5300 | 8950 | 5100 | 4600 | 4650 | 4750 | 4650 | 4650 | 4650 | 4650 | 4750 | 4650 | 4700 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | 1 | 1 | — | 5 | 42 | 16 | 1 | 3 | — | — | — | 5 | 7 | 15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -18 | -18 | -20 | -20 | -20 | -21 | -19 | -19 | -19 | -21 | -20 | -16 | -13 | -13 | -14 | -16 | -16 | -17 |
min °C | -19 | -19 | -22 | -21 | -20 | -21 | -20 | -19 | -22 | -22 | -21 | -19 | -14 | -14 | -16 | -16 | -16 | -21 |
chill °C | -30 | -34 | -38 | -36 | -34 | -36 | -34 | -35 | -45 | -45 | -43 | -38 | -28 | -29 | -33 | -33 | -33 | -43 |
Freezing level m | 3000 | 3750 | 2850 | 2900 | 3550 | 2700 | 2800 | 3300 | 3050 | 2650 | 2800 | 3100 | 3250 | 3750 | 3100 | 3200 | 3300 | 2900 |
 | 7:35 | — | — | 7:33 | — | — | 7:31 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — |
 | — | 7:31 | — | — | 7:31 | — | — | 7:32 | — | — | 7:34 | — | — | 7:35 | — | — | 7:35 | — |
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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 Sat night. Extremely cold (max -18°C on Thu morning, min -22°C on Thu night). Winds increasing (moderate winds from the WNW on Thu morning, extremely windy from the W by Sat night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun morning. Extremely cold (max -13°C on Mon morning, min -22°C on Sun morning). Winds decreasing (extremely windy from the W on Sun morning, near gales from the WSW by Mon morning).
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.