– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 1 pm Sun 30 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 1 pm Sun 30 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 1 pm Sun 30 Aug Local Time
Updates in:
Update imminent hr min s
5 Alto San Juan Elevations: 5 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sun night. Temperatures will be well below freezing (max -6°C on Tue morning, min -13°C on Sun night). Winds increasing (light winds from the SW on Mon morning, fresh winds from the W by Wed morning). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Wed night. Temperatures will be well below freezing (max -7°C on Wed afternoon, min -13°C on Fri night). Winds decreasing (near gales from the W on Thu afternoon, moderate winds from the W by Sat morning). | ||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | |  |  | | | |  | | | | | | |
some clouds | snow shwrs | some clouds | some clouds | some clouds | some clouds | cloudy | light snow | cloudy | cloudy | light snow | light snow | light snow | light snow | some clouds | cloudy | some clouds | |
Cloud base (m) | 5050 | 4750 | 4650 | 6350 | 6400 | 6250 | 5700 | 5150 | 5100 | 4750 | 4600 | 4600 | 4600 | 4800 | 4800 | 4950 | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 5 | — | — | — | — | — | 1 | — | — | 4 | 2 | 2 | 1 | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -11 | -12 | -9 | -9 | -11 | -6 | -6 | -7 | -8 | -7 | -9 | -9 | -8 | -10 | -9 | -9 | -12 |
min °C | -11 | -13 | -13 | -10 | -13 | -11 | -6 | -8 | -8 | -8 | -10 | -10 | -8 | -11 | -11 | -10 | -13 |
chill °C | -20 | -22 | -20 | -19 | -22 | -20 | -15 | -18 | -17 | -18 | -22 | -22 | -19 | -22 | -22 | -21 | -23 |
Freezing level m | 2350 | 1950 | 2600 | 2550 | 2000 | 3050 | 3100 | 2800 | 2900 | 2850 | 2550 | 2700 | 2750 | 2300 | 2650 | 2550 | 1850 |
 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — |
 | 6:20 | — | — | 6:20 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — |
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Alto San Juan Weather (Days 0-3):
The weather forecast for Alto San Juan is: A light covering of new snow mostly falling on Sun night. Temperatures will be well below freezing (max -6°C on Tue morning, min -13°C on Sun night). Winds increasing (light winds from the SW on Mon morning, fresh winds from the W by Wed morning).
Alto San Juan Weather (Days 3-6):
A light covering of new snow mostly falling on Wed night. Temperatures will be well below freezing (max -7°C on Wed afternoon, min -13°C on Fri night). Winds decreasing (near gales from the W on Thu afternoon, moderate winds from the W 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.
* 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.