– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 2 pm Sat 17 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 2 pm Sat 17 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 afternoon. Extremely cold (max -17°C on Sun afternoon, min -24°C on Mon night). Winds decreasing (gales from the WSW on Sat night, fresh winds from the WNW by Mon morning). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Tue afternoon. Extremely cold (max -21°C on Fri morning, min -27°C on Tue night). Winds increasing (near gales from the WNW on Wed morning, extremely windy from the WNW by Thu night). | ||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  |  |  | | | | | | | |
clear | clear | some clouds | some clouds | light snow | snow shwrs | snow shwrs | snow shwrs | mod. snow | light snow | some clouds | light snow | light snow | clear | clear | light snow | snow shwrs | |
Cloud base (m) | 6450 | 4650 | 4650 | 4650 | 5300 | 4700 | 4700 | 4950 | 6100 | 4800 | 5800 | 4650 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | 5 | 4 | 5 | 4 | 6 | 5 | — | 1 | 2 | — | — | 3 | 4 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -21 | -19 | -18 | -17 | -20 | -21 | -21 | -23 | -24 | -24 | -25 | -25 | -24 | -24 | -23 | -23 | -23 |
min °C | -22 | -23 | -18 | -19 | -21 | -21 | -22 | -24 | -24 | -24 | -27 | -26 | -24 | -25 | -23 | -23 | -26 |
chill °C | -37 | -38 | -34 | -35 | -37 | -35 | -39 | -43 | -42 | -42 | -49 | -45 | -42 | -44 | -43 | -42 | -45 |
Freezing level m | 3200 | 2350 | 2900 | 3450 | 2950 | 3100 | 3250 | 2700 | 2950 | 3050 | 2200 | 2650 | 2950 | 2300 | 2700 | 3150 | 2200 |
 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — |
 | 7:53 | — | — | 7:53 | — | — | 7:54 | — | — | 7:55 | — | — | 7:57 | — | — | 7:58 | — |
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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 afternoon. Extremely cold (max -17°C on Sun afternoon, min -24°C on Mon night). Winds decreasing (gales from the WSW on Sat night, fresh winds from the WNW by Mon morning).
Alto San Juan Weather (Days 3-6):
A moderate fall of snow, heaviest on Tue afternoon. Extremely cold (max -21°C on Fri morning, min -27°C on Tue night). Winds increasing (near gales from the WNW on Wed morning, extremely windy from the WNW by Thu 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 |
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* 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.