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Unterwasser Weather Forecast - 7 to 16 days - 1st September 2026

Unterwasser Weather

ECMWF IFS
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Weather Forecast for Unterwasser (900m to 2,262m)

Weather Outlook from 1 September.

Unterwasser Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Unterwasser Weather Forecast updated at 19:47 NZST, next update expected 01:00 NZST.

Long-range Snow Outlook for Unterwasser

 
Snowfall

 
Snow Line

Max 29℃
Min 9℃

Snow unlikely

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Unterwasser Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Unterwasser from OpenMeteo(ECMWF IFS)
BaseSnow and WeatherTemp
Town
Tue
01
Clear

Clear sky.

Max 21℃
Min 9℃
Wed
02
Fair

Fair.

Max 22℃
Min 10℃
Thu
03
Clear

Clear sky.

Max 23℃
Min 10℃
Fri
04
Clear

Clear sky.

Max 28℃
Min 11℃
Sat
05
Mixed

Clear spells.

Max 26℃
Min 16℃
Sun
06
Clear

Clear sky.

Max 29℃
Min 16℃
Mon
07
Fair

Light snow at altitude, light rain below.

Max 25℃
Min 17℃

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 Weather Forecast updated at 19:47 NZST, next update expected 01:00 NZST.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Unterwasser.

Switzerland Accommodation (Apartments, Chalets, Hotels) Map

 

For more information about this Swiss Ski Resort, See Also Skiing and Snowboarding in Unterwasser .

Off-Piste Safety in Unterwasser

Before skiing or snowboarding off-piste in Unterwasser, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.