Portillo Snow Forecast - 7 day
Updated 20 August 2026 21:50 AEST
7-Day Snow Forecast for Portillo
1-week from 20 August.
For Forecast detail, see below.
There is a useful amount of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Portillo 7-Day Snow Forecast Highlights
When will there be fresh snow in Portillo?
| Next Snow Expected | 26 August |
|---|---|
| Next Snow Amount | 9cm |
| Next 48 Hours | - |
| Next 7 Days | 11cm |
7-Day Snow Outlook for Portillo
Snowfall
Snow Line
Max 10℃
Min -3℃
31cm New Snow
Snow Line from 3,289m to 2,779m, with rain below.
There is a useful amount of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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 8℃
Min -3℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ and rising to 8℃
Temperature at BaseTemp at Base
Thu
20
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Portillo are in Santiago (America/Santiago) time zone.
Max 9℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 9℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Fri
21
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Portillo are in Santiago (America/Santiago) time zone.
Max 9℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 9℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sat
22
Snow unlikely
Cloudy.
Forecast times for Portillo are in Santiago (America/Santiago) time zone.
Max 9℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 9℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sun
23
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Portillo are in Santiago (America/Santiago) time zone.
Max 10℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 10℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Mon
24
Snow unlikely
Clear sky, clear spells, cloudy later.
Forecast times for Portillo are in Santiago (America/Santiago) time zone.
Max 6℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 6℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
25
up to 1cm New Snow
Cloudy, clear spells, cloudy later.
Snow Line from 3,289m to 3,119m, with rain below.
Forecast times for Portillo are in Santiago (America/Santiago) time zone.
Max 4℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 4℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
26
up to 31cm New Snow
Light drizzle early, then clear spells later.
Snow Line from 3,259m to 2,779m, with rain below.
Forecast times for Portillo are in Santiago (America/Santiago) time zone.
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 21:50 AEST, next update expected 00:00 AEST.
Snow Forecast near Portillo
| Ski Area | 48 Hr | 7 Day | Th | Fr | Sa | Su | Mo | Tu | We |
|---|---|---|---|---|---|---|---|---|---|
| Catedral Alta Patagonia | - | 94cm | |||||||
| Los Penitentes | - | 44cm |
Snow Reliability
Portillo boasts excellent snow reliability, with an average snow depth of 2-3 meters during the peak season. The resort typically experiences consistent snowfall, making it a reliable choice for winter sports; check J2Ski for the latest snow information.