Aletsch Snow Forecast - 7 day
Updated 31 August 2026 12:44 PDT
7-Day Snow Forecast for Aletsch
1-week from 31 August.
For Forecast detail, see below.
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Aletsch 7-Day Snow Forecast Highlights
When will there be fresh snow in Aletsch?
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7-Day Snow Outlook for Aletsch
Snowfall
Snow Line
Max 86°F
Min 41°F
Snow unlikely
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Aletsch 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 75°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Mon
31
Snow unlikely
Fair early, then clear sky later.
Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.
Max 76°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 76°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Cloudy first, fair then clear sky, fair later.
Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.
Max 77°F
Min 41°F
Valley temperatures from an overnight low of 41°F to daytime highs around 77°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Wed
02
Snow unlikely
Cloudy, clear spells, fair later.
Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.
Max 79°F
Min 43°F
Valley temperatures from an overnight low of 43°F to daytime highs around 79°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Thu
03
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.
Max 85°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 85°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Fri
04
Snow unlikely
Cloudy, fair, clear sky later.
Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.
Max 86°F
Min 59°F
Valley temperatures from an overnight low of 59°F to daytime highs around 86°F
Temperature at BaseTemp at Base
Sat
05
Snow unlikely
Clear sky.
Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.
Max 83°F
Min 60°F
Valley temperatures from an overnight low of 60°F to daytime highs around 83°F
Temperature at BaseTemp at Base
Sun
06
Snow unlikely
Clear sky, light drizzle, clear sky later.
Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.
No significant snowfall is forecast for this period.
This Snow Forecast for Aletsch, Switzerland 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 Aletsch, 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.
Aletsch Snow Forecast updated at 12:44 PDT, next update expected 18:00 PDT.
Snow Reliability
Aletsch enjoys reliable snow conditions with average snow depths reaching up to 3 meters during peak season. Regular snowfall throughout the winter months helps maintain excellent skiing conditions, and for the latest updates, check J2Ski for real-time snow information.