Cerro Castor Snow Forecast - 7 day
Updated 31 August 2026 05:53 PDT
7-Day Snow Forecast for Cerro Castor
1-week from 31 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.
Cerro Castor 7-Day Snow Forecast Highlights
When will there be fresh snow in Cerro Castor?
| Next Snow Expected | 2 September |
|---|---|
| Next Snow Amount | 2in |
| Next 48 Hours | 2in |
| Next 7 Days | 5in |
7-Day Snow Outlook for Cerro Castor
Snowfall
Snow Line
Max 42°F
Min 20°F
5in New Snow
Snow Line from 1,309ft to resort level (640ft).
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.
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 39°F
Min 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 29°F and rising to 39°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
31
Snow unlikely
Cloudy early, then light drizzle later.
Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.
Max 38°F
Min 27°F
Freeze-thaw conditions, with valley temperatures cooling to 27°F and rising to 38°F
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.
Max 38°F
Min 29°F
Freeze-thaw conditions, with valley temperatures cooling to 29°F and rising to 38°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
02
up to 2in New Snow
Cloudy, fair, light snow later.
Snow Line from 1,243ft to resort level (640ft).
Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.
Max 31°F
Min 22°F
Below freezing at all levels, with valley temperatures as low as 22°F and not getting above 31°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
03
2in New Snow
Snow showers first, light snow showers then heavy snow showers, light snow later.
Snow falling to resort level (640ft).
Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.
Max 33°F
Min 20°F
Valley temperatures from an overnight low of 20°F to daytime highs around 33°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
04
Snow unlikely
Cloudy first, light snow showers then cloudy, clear sky later.
Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.
Max 42°F
Min 23°F
Freeze-thaw conditions, with valley temperatures cooling to 23°F and rising to 42°F
Temperature at BaseTemp at Base
Sat
05
Snow unlikely
Clear spells, cloudy, clear spells later.
Forecast times for Cerro Castor are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.
Max 42°F
Min 28°F
Freeze-thaw conditions, with valley temperatures cooling to 28°F and rising to 42°F
Temperature at BaseTemp at Base
Sun
06
Snow unlikely
Cloudy first, fair then cloudy, clear sky 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 05:53 PDT, next update expected 11:00 PDT.
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.











