– Lat/Long: 33.47° S 69.82° W
Alto San Juan Weather Forecast
Central Argentina-Chile · ChileIssued: 2 am Tue 29 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 2 am Tue 29 Sep 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. Temperatures will be well below freezing (max -8°C on Thu morning, min -16°C on Tue night). Winds increasing (fresh winds from the W on Wed night, severe gales from the WNW by Thu night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri morning. Extremely cold (max -13°C on Fri morning, min -22°C on Fri night). Winds decreasing (severe gales from the WNW on Fri morning, light winds from the NW by Sun night). | |||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  | | | | |  | |  | | | |
cloudy | light snow | snow shwrs | heavy snow | mod. snow | snow shwrs | clear | light snow | heavy snow | heavy snow | heavy snow | snow shwrs | clear | snow shwrs | snow shwrs | some clouds | snow shwrs | snow shwrs | |
Cloud base (m) | 7150 | 6400 | 5000 | 4650 | 4650 | 4600 | 4750 | 5550 | 4600 | 4600 | 4600 | 4600 | 4650 | 4950 | 4650 | 6150 | 4950 | 4900 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 3 | 6 | 11 | 6 | 3 | — | 3 | 25 | 18 | 14 | 2 | — | 1 | 1 | — | 1 | 1 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -12 | -12 | -14 | -14 | -12 | -11 | -8 | -9 | -10 | -13 | -15 | -18 | -18 | -18 | -21 | -18 | -17 | -19 |
min °C | -15 | -14 | -16 | -14 | -13 | -12 | -10 | -9 | -12 | -14 | -17 | -22 | -20 | -18 | -22 | -19 | -18 | -20 |
chill °C | -28 | -28 | -30 | -29 | -27 | -24 | -20 | -20 | -26 | -30 | -33 | -40 | -37 | -34 | -39 | -34 | -30 | -28 |
Freezing level m | 2600 | 3150 | 2300 | 2700 | 3050 | 3150 | 3550 | 3800 | 3400 | 3250 | 3050 | 1950 | 1850 | 2500 | 1500 | 2150 | 2450 | 1700 |
 | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — |
 | — | 7:39 | — | — | 7:40 | — | — | 7:40 | — | — | 7:42 | — | — | 7:43 | — | — | 7:44 | — |
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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. Temperatures will be well below freezing (max -8°C on Thu morning, min -16°C on Tue night). Winds increasing (fresh winds from the W on Wed night, severe gales from the WNW by Thu night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri morning. Extremely cold (max -13°C on Fri morning, min -22°C on Fri night). Winds decreasing (severe gales from the WNW on Fri morning, light winds from the NW by Sun night).
This table gives the weather forecast for Alto San Juan at the specific elevation of 5000 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.