J2Ski J2Ski logo
Facebook

Cerro Castor 7-Day Snow Forecast - 19th September 2026

Cerro Castor Snow Forecast - 7 day

ECMWF IFS
GEM
GFS

PROSubscribe to Switch Weather Model

Updated 18 September 2026 19:50 UTC

7-Day Snow Forecast for Cerro Castor

1-week from 19 September.

For Forecast detail, see below.

Cerro Castor 7-Day Snow Forecast Highlights

When will there be fresh snow in Cerro Castor?

Cerro Castor Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (585m)
Next Snow Expected20 September
Next Snow Amount 2cm 1in
Next 48 Hours 2cm 1in
Next 7 Days 3cm 1in

7-Day Snow Outlook for Cerro Castor

 
Snowfall

 
Snow Line

Max 7℃ 44°F
Min -5℃ 23°F

4cm 2in New Snow

Snow Line from 459m 1,506ft to resort level ( 195m 640ft ).

Cerro Castor 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 5℃ 41°F
Min -2℃ 29°F

Freeze-thaw conditions, with valley temperatures cooling to -2℃ 29°F and rising to 5℃ 41°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
19

up to 1cm New Snow

Light SnowCloudClearClear

Light snow, cloudy, clear sky later.

Snow Line from 219m 719ft to resort level ( 195m 640ft ).

Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 2℃ 35°F
Min -3℃ 26°F

Freeze-thaw conditions, with valley temperatures cooling to -3℃ 26°F and rising to 2℃ 35°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
20

2cm 1in New Snow

MixedLt Snow ShwrsSnowCloud

Clear spells first, light snow showers then snow showers, cloudy later.

Snow falling to resort level ( 195m 640ft ).

Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 3℃ 38°F
Min -5℃ 23°F

Freeze-thaw conditions, with valley temperatures cooling to -5℃ 23°F and rising to 3℃ 38°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 5℃ 40°F
Min -4℃ 24°F

Freeze-thaw conditions, with valley temperatures cooling to -4℃ 24°F and rising to 5℃ 40°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 4℃ 39°F
Min -3℃ 27°F

Freeze-thaw conditions, with valley temperatures cooling to -3℃ 27°F and rising to 4℃ 39°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
23

up to 1cm up to 1in New Snow

ClearFairCloudLight Snow

Clear sky first, fair then cloudy, light snow at altitude later.

Snow Line from 459m 1,506ft to resort level ( 195m 640ft ).

Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 5℃ 40°F
Min -3℃ 27°F

Freeze-thaw conditions, with valley temperatures cooling to -3℃ 27°F and rising to 5℃ 40°F

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

FogClearClearMixed

Fog, clear sky, clear spells later.

Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 7℃ 44°F
Min -2℃ 28°F

Freeze-thaw conditions, with valley temperatures cooling to -2℃ 28°F and rising to 7℃ 44°F

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

ClearClearClearFair

Clear sky early, then fair later.

Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

This Snow Forecast for Cerro Castor, Argentina 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 Cerro Castor, on any given piste 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.

Cerro Castor Snow Forecast updated at 19:50 UTC, next update expected imminently.

Snow Reliability

Cerro Castor typically enjoys a snow depth of 50-100 cm, with reliable snowfall from June to October. For the latest snow conditions, check J2Ski for up-to-date information.