– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 8 pm Fri 25 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 8 pm Fri 25 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 Mon afternoon. Extremely cold (max -17°C on Sat morning, min -23°C on Mon afternoon). Winds decreasing (extremely windy from the W on Fri night, stormy winds from the WNW by Sun night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Thu afternoon. Extremely cold (max -18°C on Thu morning, min -25°C on Mon night). Winds decreasing (extremely windy from the WSW on Mon night, gales from the W by Thu morning). | |||||||||||||||
Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | |  |  |  | | | | | | |
light snow | cloudy | cloudy | clear | some clouds | light snow | some clouds | cloudy | snow shwrs | snow shwrs | clear | cloudy | light snow | snow shwrs | snow shwrs | snow shwrs | |
Cloud base (m) | 5500 | 5650 | 5950 | 6550 | 6600 | 6150 | 5700 | 5900 | 4850 | 4650 | 6850 | 6050 | 4650 | 4650 | 4700 | |
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | 4 | — | — | — | — | 1 | — | — | 5 | 3 | — | — | 2 | 1 | 2 | 5 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -18 | -17 | -17 | -18 | -17 | -18 | -19 | -20 | -21 | -24 | -22 | -20 | -21 | -21 | -20 | -20 |
min °C | -19 | -18 | -18 | -19 | -18 | -19 | -21 | -20 | -23 | -25 | -23 | -21 | -23 | -21 | -20 | -20 |
chill °C | -40 | -38 | -38 | -39 | -37 | -39 | -41 | -40 | -44 | -46 | -42 | -40 | -43 | -41 | -39 | -38 |
Freezing level m | 2900 | 3250 | 3650 | 2950 | 3150 | 3600 | 2800 | 3250 | 3300 | 2300 | 2350 | 3200 | 2750 | 2650 | 3100 | 2900 |
 | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — |
 | — | — | 7:37 | — | — | 7:38 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — |
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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 Mon afternoon. Extremely cold (max -17°C on Sat morning, min -23°C on Mon afternoon). Winds decreasing (extremely windy from the W on Fri night, stormy winds from the WNW by Sun night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu afternoon. Extremely cold (max -18°C on Thu morning, min -25°C on Mon night). Winds decreasing (extremely windy from the WSW on Mon night, gales from the W by Thu 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 |
|---|---|---|---|---|---|
 | |||||
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.