– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 2 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 2 am Mon 21 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 Wed night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -9°C on Mon morning). Winds increasing (moderate winds from the WSW on Mon night, strong winds from the W by Wed night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -4°C on Fri afternoon, min -9°C on Thu night). Winds decreasing (gales from the W on Thu afternoon, fresh winds from the WNW by Sat morning). | |||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | |  |  |  |  | | | |  | | | | |
some clouds | some clouds | some clouds | clear | clear | snow shwrs | some clouds | mod. snow | heavy snow | cloudy | light snow | heavy snow | mod. snow | light snow | light snow | mod. snow | light snow | light snow | |
Cloud base (m) | 5250 | 5350 | 4650 | 4900 | 5700 | 4750 | 4900 | 4600 | 4700 | 4750 | 4800 | 4650 | 4650 | 4950 | 4650 | 4600 | 5650 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | 1 | — | 8 | 20 | — | 3 | 16 | 10 | 5 | 2 | 6 | 2 | 4 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -5 | -4 | -5 | -3 | -2 | -4 | -4 | -5 | -7 | -6 | -6 | -8 | -5 | -4 | -5 | -5 | -4 | -5 |
min °C | -9 | -4 | -6 | -4 | -3 | -6 | -5 | -6 | -8 | -8 | -7 | -9 | -7 | -5 | -6 | -6 | -4 | -6 |
chill °C | -19 | -12 | -14 | -11 | -10 | -15 | -14 | -16 | -19 | -19 | -18 | -20 | -17 | -15 | -15 | -15 | -13 | -15 |
Freezing level m | 2450 | 3300 | 2850 | 3200 | 3600 | 3350 | 3200 | 3250 | 2700 | 2800 | 3100 | 2550 | 2900 | 3300 | 3100 | 3000 | 3350 | 3050 |
 | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:24 | — | — | 7:22 | — | — |
 | — | 7:35 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — |
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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 Wed night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -9°C on Mon morning). Winds increasing (moderate winds from the WSW on Mon night, strong winds from the W by Wed night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -4°C on Fri afternoon, min -9°C on Thu night). Winds decreasing (gales from the W on Thu afternoon, fresh winds from the WNW by Sat morning).
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.