– Lat/Long: 33.47° S 69.82° W
Alto San Juan
Weather Forecast, ChileIssued: 1 pm Fri 31 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 1 pm Fri 31 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 1 pm Fri 31 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 Fri afternoon. Extremely cold (max -12°C on Sun afternoon, min -21°C on Fri night). Winds increasing (strong winds from the W on Fri night, severe gales from the W by Sat night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed night. Extremely cold (max -11°C on Tue morning, min -18°C on Thu morning). Winds increasing (fresh winds from the WSW on Mon night, extremely windy from the W by Wed night). | ||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | |  | |  |  | |  | | | | |
heavy snow | snow shwrs | cloudy | light snow | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | light snow | clear | some clouds | some clouds | some clouds | some clouds | cloudy | heavy snow | |
Cloud base (m) | 4600 | 5600 | 4650 | 4650 | 4650 | 4600 | 4600 | 4700 | 4900 | 5650 | 6250 | 6150 | 6600 | 5250 | 4600 | ||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 18 | 1 | — | 4 | 18 | 15 | 17 | 44 | 8 | 2 | — | — | — | — | — | — | 30 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -19 | -19 | -14 | -14 | -14 | -13 | -12 | -13 | -12 | -12 | -12 | -11 | -11 | -13 | -14 | -14 | -16 |
min °C | -20 | -21 | -17 | -14 | -15 | -14 | -13 | -13 | -13 | -12 | -13 | -13 | -12 | -16 | -16 | -16 | -17 |
chill °C | -37 | -36 | -32 | -29 | -30 | -29 | -28 | -27 | -26 | -25 | -25 | -23 | -25 | -31 | -31 | -33 | -35 |
Freezing level m | 2150 | 1450 | 2700 | 2550 | 2750 | 3000 | 3000 | 3050 | 3300 | 3300 | 3000 | 3350 | 3250 | 2500 | 2900 | 2600 | 2400 |
 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:28 | — | — | 7:26 | — | — |
 | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — |
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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 -12°C on Sun afternoon, min -21°C on Fri night). Winds increasing (strong winds from the W on Fri night, severe gales from the W by Sat night).
Alto San Juan Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed night. Extremely cold (max -11°C on Tue morning, min -18°C on Thu morning). Winds increasing (fresh winds from the WSW on Mon night, extremely windy from the W by Wed 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 |
|---|---|---|---|---|---|
 | |||||
Quinta Normal | |||||
 | |||||
Pudahuel | |||||
Talagante | |||||
| |||||
Llay Llay- Las Peñas | |||||
Mendoz / l Plumerillo Airport |  | ||||
Chorombo Hacienda | |||||
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* 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.