Portillo Snow Report and Forecast
Snow Forecast for Portillo
When will there be fresh snow?
This is the Snow Forecast for Portillo, Chile for 16 days from 18 June.
Updated 17 June 2025 17:37 PDT.
| Next Snow Expected | 25 June |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | - |
| Next 7 Days | 1in |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Portillo.
Forecast for today in Portillo
Max 41°F
Min 30°F
Freeze-thaw conditions, with valley temperatures cooling to 30°F and rising to 41°F
Temperature at BaseTemp at Base
Wed
18
Snow unlikely
Clear sky.
Portillo has no new snow forecast in the next 48 hours.
Portillo Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Portillo 7-Day Snow Forecast Overview
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| Wed 18 | Thu 19 | Fri 20 | Sat 21 | Sun 22 | Mon 23 | Tue 24 | |
|---|---|---|---|---|---|---|---|
| Wind | E F2 | SE F2 | SE F2 | SE F2 | |||
| 10,827ft | 36°F
| 46°F
| 50°F
| 45°F
| 45°F
 | 55°F
| 54°F
|
| SE F2 | SE F2 | SE F2 | SE F3 | SE F2 | |||
| 9,613ft | 37°F
| 47°F
| 50°F
| 46°F
| 44°F
| 54°F
| 54°F
|
| SE F2 | SE F2 | SE F2 | SE F3 | SE F2 | |||
| 8,399ft | 41°F
| 51°F
| 54°F
| 50°F
| 49°F
| 58°F
| 59°F
|
| Snow Line | |||||||
| Max Town | 41°F | 51°F | 54°F | 50°F | 49°F | 58°F | 59°F |
| Min Town | 30°F | 39°F | 45°F | 42°F | 37°F | 45°F | 49°F |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Portillo Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 41°F
Min 30°F
Freeze-thaw conditions, with valley temperatures cooling to 30°F and rising to 41°F
Temperature at BaseTemp at Base
Wed
18
Snow unlikely
Clear sky.
Max 51°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 51°F
Temperature at BaseTemp at Base
Thu
19
Snow unlikely
Clear sky.
Max 54°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 54°F
Temperature at BaseTemp at Base
Fri
20
Snow unlikely
Clear sky early, then cloudy later.
Max 50°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 50°F
Temperature at BaseTemp at Base
Sat
21
Snow unlikely
Clear sky, clear spells, cloudy later.
Max 49°F
Min 37°F
Valley temperatures from an overnight low of 37°F to daytime highs around 49°F
Temperature at BaseTemp at Base
Sun
22
Snow unlikely
Cloudy, clear spells, clear sky later.
Max 58°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Mon
23
Snow unlikely
Clear sky.
Max 59°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 59°F
Temperature at BaseTemp at Base
Tue
24
Snow unlikely
Clear sky early, then cloudy later.
This Snow Forecast for Portillo, Chile gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Portillo, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Portillo Snow Forecast updated at 17:37 PDT, next update expected imminently.
Snow Forecast near Portillo
| Snow Report and Forecast | 48 Hr | Wed | Thu | Fri | Sat | Sun | Mon | Tue | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Catedral Alta Patagonia | 1in | 10in | |||||||
| Los Penitentes | - | 3in |
Understanding and predicting Snow Conditions in Portillo
Here are our tips for making the most of a trip to Portillo, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Portillo, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Portillo is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Portillo will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Portillo for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.