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Portes du Soleil 7-Day Snow Forecast - 21st September 2026

Portes du Soleil Snow Forecast - 7 day

ECMWF IFS
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Updated 21 September 2026 13:40 BST

7-Day Snow Forecast for Portes du Soleil

1-week from 21 September.

For Forecast detail, see below.

Portes du Soleil 7-Day Snow Forecast Highlights

When will there be fresh snow in Portes du Soleil?

Portes du Soleil Snow Forecast Highlights - ECMWF IFS
Next Snow?
There is no snow currently in the forecast for Portes du Soleil.
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7-Day Snow Outlook for Portes du Soleil

 
Snowfall

 
Snow Line

Max 19℃ 67°F
Min 7℃ 44°F

Snow unlikely

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Portes du Soleil 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 16℃ 60°F
Min 7℃ 45°F

Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 16℃ 60°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

CloudCloudCloudFair

Cloudy early, then fair later.

Forecast times for Portes du Soleil are in Zurich (Europe/Zurich) time zone.

Max 16℃ 60°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 16℃ 60°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Portes du Soleil are in Zurich (Europe/Zurich) time zone.

Max 16℃ 60°F
Min 8℃ 46°F

Valley temperatures from an overnight low of 8℃ 46°F to daytime highs around 16℃ 60°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

Forecast times for Portes du Soleil are in Zurich (Europe/Zurich) time zone.

Max 16℃ 60°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 16℃ 60°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

ClearFairMixedMixed

Clear sky, fair, clear spells later.

Forecast times for Portes du Soleil are in Zurich (Europe/Zurich) time zone.

Max 17℃ 62°F
Min 7℃ 45°F

Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 17℃ 62°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

CloudCloudClearClear

Cloudy early, then clear sky later.

Forecast times for Portes du Soleil are in Zurich (Europe/Zurich) time zone.

Max 18℃ 65°F
Min 9℃ 48°F

Valley temperatures from an overnight low of 9℃ 48°F to daytime highs around 18℃ 65°F

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Portes du Soleil are in Zurich (Europe/Zurich) time zone.

Max 19℃ 67°F
Min 9℃ 49°F

Valley temperatures from an overnight low of 9℃ 49°F to daytime highs around 19℃ 67°F

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

FairClearClearMixed

Fair, clear sky, clear spells later.

Forecast times for Portes du Soleil are in Zurich (Europe/Zurich) time zone.

No significant snowfall is forecast for this period.

This Snow Forecast for Portes du Soleil, 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 Portes du Soleil, 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.

Portes du Soleil Snow Forecast updated at 13:40 BST, next update expected 19:00 BST.

Snow Reliability

Portes du Soleil typically enjoys good snow reliability, with an average snow depth of 200 cm in winter. Snowfall can vary, but the extensive snowmaking facilities ensure great conditions; check J2Ski for the latest updates.