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Cerro Castor 7-Day Snow Forecast - 20th March 2026

Cerro Castor Snow Forecast - 7 day

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Updated 20 March 2026 10:50 PDT

7-Day Snow Forecast for Cerro Castor

1-week from 20 March.

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 (1,919ft)
Next Snow Expected25 March
Next Snow Amount1in
Next 48 Hours-
Next 7 Days1in

7-Day Snow Outlook for Cerro Castor

 
Snowfall

 
Snow Line

Max 49°F
Min 26°F

2in New Snow

Snow Line from 3,114ft to resort level (640ft).

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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 49°F
Min 40°F

Valley temperatures from an overnight low of 40°F to daytime highs around 49°F

Temperature at BaseTemp at Base

Fri
20

Snow unlikely

FogCloudCloudCloud

Fog early, then cloudy later.

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

Max 47°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 47°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
21

New Snow

CloudCloudCloudMixed

Cloudy early, then clear spells later.

Snow Line from 1,604ft to 915ft, with rain below.

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

Max 49°F
Min 31°F

Valley temperatures from an overnight low of 31°F to daytime highs around 49°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Sun
22

Snow unlikely

Lt Snow ShwrsClearFairCloud

Light snow showers at altitude first, clear sky then fair, cloudy later.

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

Max 45°F
Min 36°F

Valley temperatures from an overnight low of 36°F to daytime highs around 45°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
23

Snow unlikely

ClearCloudShwrsMixed

Clear sky first, cloudy then rain showers, clear spells later.

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

Max 41°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 41°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
24

up to 1in New Snow

CloudMixedMixedLt Drizzle

Cloudy, clear spells, light drizzle later.

Snow Line from 2,851ft to 1,014ft, with rain below.

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

Max 39°F
Min 28°F

Freeze-thaw conditions, with valley temperatures cooling to 28°F and rising to 39°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
25

up to 1in New Snow

Lt DrizzleMixedLt Snow ShwrsMixed

Light drizzle first, clear spells then light snow showers at altitude, clear spells later.

Snow Line from 2,195ft to resort level (640ft).

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

Max 42°F
Min 26°F

Freeze-thaw conditions, with valley temperatures cooling to 26°F and rising to 42°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
26

Snow unlikely

Light SnowCloudCloudCloud

Light snow early, then cloudy 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 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.

Cerro Castor Snow Forecast updated at 10:50 PDT, 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.