– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 1 am Thu 27 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 1 am Thu 27 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 1 am Thu 27 Aug 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 Thu night. Extremely cold (max -26°C on Thu morning, min -31°C on Fri night). Winds decreasing (extremely windy from the WNW on Thu morning, light winds from the SW by Sat night). | Days 4–6 Weather SummaryMostly dry. Extremely cold (max -21°C on Tue afternoon, min -30°C on Sun morning). Winds increasing (calm on Sun morning, extremely windy from the W by Tue night). | |||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | |  |  |  | | |  | | | | |
mod. snow | heavy snow | snow shwrs | light snow | mod. snow | mod. snow | cloudy | light snow | snow shwrs | clear | some clouds | some clouds | some clouds | cloudy | clear | clear | clear | clear | |
Cloud base (m) | 4600 | 4600 | 4850 | 4600 | 4600 | 4650 | 4800 | 4600 | 4650 | 5550 | 5200 | 4700 | 5350 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 6 | 11 | 9 | 2 | 6 | 6 | — | 5 | 2 | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -26 | -26 | -28 | -29 | -29 | -30 | -29 | -29 | -30 | -29 | -28 | -27 | -26 | -26 | -27 | -23 | -21 | -24 |
min °C | -26 | -27 | -30 | -30 | -29 | -31 | -30 | -29 | -30 | -30 | -28 | -29 | -27 | -27 | -28 | -25 | -23 | -24 |
chill °C | -49 | -50 | -53 | -54 | -51 | -54 | -54 | -51 | -51 | -36 | -43 | -49 | -47 | -49 | -50 | -46 | -44 | -45 |
Freezing level m | 2650 | 2550 | 1400 | 2100 | 2250 | 1400 | 2150 | 2250 | 1400 | 2300 | 2050 | 1800 | 2350 | 2400 | 1650 | 2750 | 2550 | 2000 |
 | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — |
 | — | 6:17 | — | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — | — | 6:20 | — | — | 6:21 | — |
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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 -26°C on Thu morning, min -31°C on Fri night). Winds decreasing (extremely windy from the WNW on Thu morning, light winds from the SW by Sat night).
Alto San Juan Weather (Days 3-6):
Mostly dry. Extremely cold (max -21°C on Tue afternoon, min -30°C on Sun morning). Winds increasing (calm on Sun morning, extremely windy from the W by Tue 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 |
|---|---|---|---|---|---|
 | |||||
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.