– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 7 am Wed 29 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 7 am Wed 29 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 7 am Wed 29 Jul 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 Fri afternoon. Extremely cold (max -18°C on Wed night, min -28°C on Fri afternoon). Winds increasing (gales from the WNW on Wed night, extremely windy from the NW by Thu afternoon). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sun night. Extremely cold (max -21°C on Sat morning, min -23°C on Mon night). Winds decreasing (extremely windy from the W on Sun afternoon, severe gales from the W by Mon night). | |||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | |  | | |  |  | | |  | | | | |
mod. snow | mod. snow | snow shwrs | cloudy | some clouds | snow shwrs | mod. snow | heavy snow | snow shwrs | some clouds | snow shwrs | mod. snow | heavy snow | heavy snow | heavy snow | mod. snow | mod. snow | heavy snow | |
Cloud base (m) | 4650 | 4650 | 4650 | 4900 | 5850 | 6100 | 4600 | 4650 | 4650 | 5500 | 4650 | 4650 | 4650 | 4650 | 4650 | 4600 | 4600 | 4650 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 6 | 8 | 11 | — | — | 1 | 9 | 19 | 8 | — | 6 | 10 | 13 | 25 | 34 | 6 | 9 | 17 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -19 | -19 | -18 | -19 | -19 | -22 | -27 | -28 | -23 | -21 | -21 | -21 | -21 | -21 | -21 | -21 | -21 | -21 |
min °C | -20 | -19 | -19 | -19 | -20 | -25 | -27 | -28 | -27 | -22 | -21 | -22 | -21 | -22 | -22 | -22 | -21 | -23 |
chill °C | -39 | -37 | -36 | -39 | -41 | -47 | -50 | -50 | -48 | -42 | -41 | -43 | -42 | -43 | -43 | -43 | -41 | -43 |
Freezing level m | 2700 | 2950 | 3150 | 3500 | 3150 | 2800 | 2500 | 2350 | 1600 | 2700 | 2500 | 2500 | 3000 | 2850 | 2900 | 3100 | 3100 | 2900 |
 | 7:33 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — |
 | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — |
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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 Fri afternoon. Extremely cold (max -18°C on Wed night, min -28°C on Fri afternoon). Winds increasing (gales from the WNW on Wed night, extremely windy from the NW by Thu afternoon).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun night. Extremely cold (max -21°C on Sat morning, min -23°C on Mon night). Winds decreasing (extremely windy from the W on Sun afternoon, severe gales from the W by Mon 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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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.