– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 8 pm Thu 01 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Thu 01 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 Thu night. Extremely cold (max -20°C on Thu night, min -28°C on Sat morning). Winds decreasing (extremely windy from the WNW on Fri afternoon, strong winds from the WSW by Sun afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Tue afternoon. Extremely cold (max -20°C on Tue morning, min -26°C on Sun night). Winds increasing (light winds from the WNW on Sun night, gales from the W by Mon afternoon). | |||||||||||||||
Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | |  | |  | |  | | | | | |
heavy snow | heavy snow | heavy snow | snow shwrs | clear | snow shwrs | snow shwrs | some clouds | snow shwrs | some clouds | snow shwrs | light snow | some clouds | light snow | heavy snow | snow shwrs | |
Cloud base (m) | 4600 | 4600 | 4600 | 4650 | 5150 | 4650 | 5700 | 5050 | 4750 | 5200 | 4700 | 4800 | 6500 | 5050 | 4650 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 21 | 13 | 13 | 5 | — | 1 | 1 | — | 2 | — | 2 | 4 | — | 2 | 17 | 11 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -20 | -22 | -24 | -25 | -26 | -26 | -26 | -25 | -25 | -25 | -24 | -24 | -21 | -20 | -20 | -22 |
min °C | -21 | -22 | -25 | -27 | -28 | -26 | -28 | -26 | -25 | -26 | -25 | -24 | -24 | -20 | -21 | -22 |
chill °C | -42 | -43 | -48 | -49 | -52 | -48 | -50 | -45 | -44 | -43 | -44 | -43 | -42 | -37 | -38 | -40 |
Freezing level m | 3300 | 3250 | 3150 | 1750 | 1750 | 2450 | 1500 | 2150 | 2650 | 1950 | 2300 | 2700 | 2200 | 2900 | 3150 | 3000 |
 | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — |
 | — | — | 7:42 | — | — | 7:43 | — | — | 7:44 | — | — | 7:44 | — | — | 7:45 | — |
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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 Thu night. Extremely cold (max -20°C on Thu night, min -28°C on Sat morning). Winds decreasing (extremely windy from the WNW on Fri afternoon, strong winds from the WSW by Sun afternoon).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue afternoon. Extremely cold (max -20°C on Tue morning, min -26°C on Sun night). Winds increasing (light winds from the WNW on Sun night, gales from the W by Mon afternoon).
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 | |||||
Mendoz / l Plumerillo Airport |  |
* 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.