– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 1 pm Tue 01 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 1 pm Tue 01 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 1 pm Tue 01 Sep 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 Tue night. Extremely cold (max -21°C on Tue night, min -26°C on Thu night). Winds increasing (stormy winds from the W on Tue night, extremely windy from the W by Wed night). | Days 5–7 Weather SummaryMostly dry. Extremely cold (max -22°C on Mon morning, min -27°C on Sat night). Winds decreasing (extremely windy from the W on Fri afternoon, near gales from the WNW by Sun night). | ||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  |  |  | |  | |  | | | | | |
light snow | heavy snow | mod. snow | light snow | heavy snow | snow shwrs | some clouds | some clouds | clear | clear | clear | some clouds | cloudy | some clouds | clear | some clouds | clear | |
Cloud base (m) | 5100 | 4600 | 4600 | 4600 | 4600 | 4850 | 5150 | 4650 | 4750 | 7150 | 6900 | 6050 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 1 | 16 | 6 | 5 | 11 | 3 | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -22 | -21 | -23 | -23 | -23 | -24 | -24 | -24 | -24 | -23 | -25 | -24 | -24 | -26 | -23 | -23 | -23 |
min °C | -22 | -22 | -23 | -23 | -24 | -24 | -24 | -26 | -25 | -24 | -26 | -25 | -25 | -27 | -25 | -23 | -24 |
chill °C | -43 | -42 | -44 | -45 | -48 | -48 | -48 | -50 | -48 | -46 | -47 | -46 | -46 | -48 | -43 | -41 | -42 |
Freezing level m | 2900 | 2500 | 2900 | 2950 | 2650 | 2600 | 2550 | 1750 | 2550 | 2400 | 1800 | 2800 | 2700 | 1850 | 2850 | 2850 | 2200 |
 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 7:50 | — | — |
 | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:23 | — | — | 7:23 | — |
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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 Tue night. Extremely cold (max -21°C on Tue night, min -26°C on Thu night). Winds increasing (stormy winds from the W on Tue night, extremely windy from the W by Wed night).
Alto San Juan Weather (Days 3-6):
Mostly dry. Extremely cold (max -22°C on Mon morning, min -27°C on Sat night). Winds decreasing (extremely windy from the W on Fri afternoon, near gales from the WNW by Sun 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
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Llay Llay- Las Peñas | |||||
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.