– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 2 pm Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 2 pm Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
5 Alto San Juan Elevations: 5 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Sun afternoon. Extremely cold (max -15°C on Mon afternoon, min -24°C on Sun afternoon). Winds decreasing (extremely windy from the WSW on Sun afternoon, gales from the WSW by Mon night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Fri morning. Extremely cold (max -18°C on Wed afternoon, min -22°C on Wed night). Winds decreasing (extremely windy from the W on Thu afternoon, extremely windy from the WNW by Sat morning). | ||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | |  |  |  | |  |  | |  | |
light snow | light snow | some clouds | some clouds | clear | clear | clear | some clouds | light snow | mod. snow | mod. snow | cloudy | light snow | heavy snow | heavy snow | mod. snow | cloudy | |
Cloud base (m) | 4600 | 4650 | 5350 | 5750 | 5750 | 4700 | 4700 | 5650 | 5050 | 4600 | 4650 | 5350 | 4750 | 4650 | 4900 | 4600 | 6200 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 4 | 4 | — | — | — | — | — | — | 3 | 8 | 10 | — | 1 | 13 | 13 | 10 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -24 | -20 | -18 | -15 | -15 | -15 | -15 | -17 | -16 | -18 | -18 | -21 | -20 | -19 | -19 | -18 | -18 |
min °C | -24 | -23 | -19 | -17 | -15 | -15 | -16 | -17 | -18 | -19 | -22 | -21 | -20 | -20 | -19 | -18 | -19 |
chill °C | -49 | -47 | -39 | -34 | -31 | -31 | -33 | -34 | -37 | -40 | -45 | -44 | -43 | -42 | -40 | -39 | -39 |
Freezing level m | 2300 | 2100 | 2550 | 3450 | 2950 | 3200 | 3550 | 3250 | 3250 | 3200 | 2750 | 2850 | 3050 | 2600 | 2700 | 3000 | 2950 |
 | — | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:24 | — | — |
 | 7:34 | — | — | 7:35 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:37 | — |
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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 Sun afternoon. Extremely cold (max -15°C on Mon afternoon, min -24°C on Sun afternoon). Winds decreasing (extremely windy from the WSW on Sun afternoon, gales from the WSW by Mon night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri morning. Extremely cold (max -18°C on Wed afternoon, min -22°C on Wed night). Winds decreasing (extremely windy from the W on Thu afternoon, extremely windy from the WNW by Sat 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 |
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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.