Cerro Castor Snow Forecast - 7 day
Updated 20 March 2026 10:50 PDT
7-Day Snow Forecast for Cerro Castor
1-week from 20 March.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Cerro Castor 7-Day Snow Forecast Highlights
When will there be fresh snow in Cerro Castor?
| Next Snow Expected | 25 March |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | - |
| Next 7 Days | 1in |
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).
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Partner Offers
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
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
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
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
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
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
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 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.











