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Unterwasser 7-Day Snow Forecast - 21st June 2026

Unterwasser Snow Forecast - 7 day

ECMWF IFS
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Updated 21 June 2026 00:42 UTC

7-Day Snow Forecast for Unterwasser

1-week from 21 June.

For Forecast detail, see below.

Unterwasser 7-Day Snow Forecast Highlights

When will there be fresh snow in Unterwasser?

Unterwasser Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,581m)
Next Snow?
There is no snow currently in the forecast for Unterwasser.

7-Day Snow Outlook for Unterwasser

 
Snowfall

 
Snow Line

Max 30℃ 85°F
Min 18℃ 64°F

Snow unlikely

Unterwasser 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 28℃ 82°F
Min 18℃ 64°F

Valley temperatures from an overnight low of 18℃ 64°F to daytime highs around 28℃ 82°F

Temperature at BaseTemp at Base

Sun
21

Snow unlikely

ClearClearClearFair

Clear sky early, then fair later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 28℃ 82°F
Min 19℃ 65°F

Valley temperatures from an overnight low of 19℃ 65°F to daytime highs around 28℃ 82°F

Temperature at BaseTemp at Base

Mon
22

Snow unlikely

ClearClearFairFair

Clear sky early, then fair later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 27℃ 81°F
Min 18℃ 65°F

Valley temperatures from an overnight low of 18℃ 65°F to daytime highs around 27℃ 81°F

Temperature at BaseTemp at Base

Tue
23

Snow unlikely

FairClearFairFair

Fair, clear sky, fair later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 27℃ 81°F
Min 18℃ 65°F

Valley temperatures from an overnight low of 18℃ 65°F to daytime highs around 27℃ 81°F

Temperature at BaseTemp at Base

Wed
24

Snow unlikely

FairClearClearClear

Fair early, then clear sky later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 29℃ 84°F
Min 18℃ 64°F

Valley temperatures from an overnight low of 18℃ 64°F to daytime highs around 29℃ 84°F

Temperature at BaseTemp at Base

Thu
25

Snow unlikely

ClearClearMixedMixed

Clear sky early, then clear spells later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 30℃ 85°F
Min 20℃ 68°F

Valley temperatures from an overnight low of 20℃ 68°F to daytime highs around 30℃ 85°F

Temperature at BaseTemp at Base

Fri
26

Snow unlikely

ClearClearMixedMixed

Clear sky early, then clear spells later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 28℃ 83°F
Min 21℃ 70°F

Valley temperatures from an overnight low of 21℃ 70°F to daytime highs around 28℃ 83°F

Temperature at BaseTemp at Base

Sat
27

Snow unlikely

ClearFairCloudLt Drizzle

Clear sky first, fair then cloudy, light drizzle later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

No significant snowfall is forecast for this period.

This Snow Forecast for Unterwasser, 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 Unterwasser, 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.

Unterwasser Snow Forecast updated at 00:42 UTC, next update expected 06:00 UTC.

Snow Reliability

Unterwasser typically enjoys reliable snow conditions, with an average snow depth of 50-100 cm throughout the season. For the latest updates on snowfall and conditions, check J2Ski for accurate and timely information.