– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 1 pm Mon 20 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 1 pm Mon 20 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 1 pm Mon 20 Jul 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 Mon afternoon. Extremely cold (max -23°C on Wed night, min -31°C on Tue night). Winds decreasing (stormy winds from the WNW on Mon afternoon, near gales from the W by Wed morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Thu night. Extremely cold (max -18°C on Sat morning, min -27°C on Thu night). Winds decreasing (extremely windy from the WSW on Thu night, severe gales from the W by Sat afternoon). | ||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | | |  | | |  | | | |
heavy snow | heavy snow | light snow | heavy snow | snow shwrs | some clouds | some clouds | mod. snow | heavy snow | heavy snow | snow shwrs | cloudy | cloudy | snow shwrs | snow shwrs | light snow | heavy snow | |
Cloud base (m) | 4600 | 4600 | 4600 | 4600 | 4650 | 5750 | 4700 | 4700 | 4650 | 4600 | 4600 | 4750 | 5950 | 5900 | 4700 | 4650 | 4600 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 13 | 13 | 5 | 12 | 6 | — | — | 7 | 11 | 22 | 45 | — | — | 1 | 1 | 4 | 20 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -29 | -28 | -28 | -29 | -26 | -24 | -24 | -23 | -23 | -22 | -23 | -25 | -23 | -20 | -18 | -18 | -18 |
min °C | -30 | -28 | -28 | -30 | -31 | -25 | -24 | -24 | -24 | -23 | -27 | -27 | -24 | -23 | -19 | -18 | -22 |
chill °C | -54 | -48 | -49 | -50 | -53 | -42 | -41 | -42 | -44 | -43 | -52 | -50 | -45 | -43 | -38 | -35 | -44 |
Freezing level m | 2300 | 2100 | 2400 | 2100 | 1400 | 2350 | 2250 | 2350 | 2600 | 2750 | 2400 | 2250 | 2550 | 2550 | 3100 | 3150 | 3050 |
 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — |
 | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — |
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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 Mon afternoon. Extremely cold (max -23°C on Wed night, min -31°C on Tue night). Winds decreasing (stormy winds from the WNW on Mon afternoon, near gales from the W by Wed morning).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Extremely cold (max -18°C on Sat morning, min -27°C on Thu night). Winds decreasing (extremely windy from the WSW on Thu night, severe gales from the W by Sat afternoon).
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 |
|---|---|---|---|---|---|
San José Guayacán | |||||
 | |||||
Quinta Normal |
* 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.