– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 2 am Sat 26 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 2 am Sat 26 Sep Local Time
Updates in:
Update imminent hr min s
5 Alto San Juan Elevations: 5 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Mon afternoon. Extremely cold (max -17°C on Sat morning, min -24°C on Mon night). Winds decreasing (extremely windy from the WNW on Sat afternoon, severe gales from the W by Mon night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Thu night. Extremely cold (max -17°C on Thu afternoon, min -23°C on Tue morning). Winds increasing (near gales from the WSW on Thu morning, extremely windy from the WNW by Thu night). | |||||||||||||||||
Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | | |  |  |  | | | | | |  | |  | |
cloudy | cloudy | some clouds | cloudy | light snow | some clouds | cloudy | snow shwrs | snow shwrs | some clouds | cloudy | snow shwrs | some clouds | snow shwrs | snow shwrs | mod. snow | snow shwrs | heavy snow | |
Cloud base (m) | 5700 | 5950 | 6550 | 6350 | 5950 | 5600 | 5800 | 4850 | 4600 | 4650 | 6650 | 5050 | 4700 | 4900 | 4650 | 4650 | 4600 | 4600 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | 1 | — | — | 4 | 2 | — | — | 4 | — | 3 | 5 | 9 | 6 | 30 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -17 | -17 | -18 | -18 | -18 | -20 | -20 | -21 | -23 | -21 | -20 | -21 | -20 | -19 | -19 | -18 | -17 | -17 |
min °C | -18 | -18 | -19 | -18 | -19 | -20 | -20 | -22 | -24 | -23 | -20 | -22 | -21 | -19 | -19 | -18 | -18 | -20 |
chill °C | -38 | -38 | -39 | -37 | -39 | -40 | -40 | -43 | -44 | -42 | -38 | -42 | -40 | -37 | -36 | -34 | -34 | -40 |
Freezing level m | 3250 | 3700 | 2950 | 3150 | 3550 | 2850 | 3300 | 3350 | 2300 | 2400 | 3300 | 2850 | 2750 | 3050 | 3050 | 3250 | 3600 | 3400 |
 | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 7:37 | — | — | 7:38 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:40 | — |
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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 Mon afternoon. Extremely cold (max -17°C on Sat morning, min -24°C on Mon night). Winds decreasing (extremely windy from the WNW on Sat afternoon, severe gales from the W by Mon night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Extremely cold (max -17°C on Thu afternoon, min -23°C on Tue morning). Winds increasing (near gales from the WSW on Thu 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 |
|---|---|---|---|---|---|
 | |||||
MendozaAero |
* 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.