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Unterwasser Snow Forecast - 48 hour - 20th September 2026

Unterwasser 48-Hour Snow Forecast

ECMWF IFS
GFS

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Updated 19 September 2026 14:43 UTC

2-Day Forecast for Unterwasser

48-hours from 20 September.

See below for forecast detail

Unterwasser Snow Forecast updated at 14:43 UTC, next update expected imminently.

Forecast for today in Unterwasser

Max 22℃ 71°F
Min 8℃ 47°F

Valley temperatures from an overnight low of 8℃ 47°F to daytime highs around 22℃ 71°F

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

CloudFairMixedFair

Cloudy first, fair then clear spells, fair later.

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

Forecast for tomorrow in Unterwasser

Max 17℃ 62°F
Min 8℃ 46°F

Valley temperatures from an overnight low of 8℃ 46°F to daytime highs around 17℃ 62°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

MixedCloudLt DrizzleCloud

Clear spells first, cloudy then light drizzle, cloudy later.

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

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Unterwasser from OpenMeteo(ECMWF IFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sun00:00Cloud

Clear spells at altitude.
Cloud below.
10℃ 49°F SW
Calm
0%
Sun01:00Cloud

Clear spells at altitude.
Cloud below.
9℃ 48°F SW
Calm
0%
Sun02:00Cloud

Cloudy. 8℃ 47°F SW
Calm
0%
Sun03:00Cloud

Cloudy. 8℃ 47°F SW
Calm
0%
Sun04:00Cloud

Cloudy. 9℃ 48°F SW
Calm
0%
Sun05:00Cloud

Cloudy. 9℃ 48°F SW
Calm
0%
Sun06:00Cloud

Cloudy. 9℃ 48°F SW
Calm
0%
Sun07:00Mixed

Clear spells. 9℃ 48°F SW
Light
0%
Sun08:00Fair

Fair. 10℃ 49°F SW
Light
0%
Sun09:00Fair

Fair. 13℃ 55°F SW
Light
0%
Sun10:00Fair

Fair. 16℃ 60°F SW
Light
0%
Sun11:00Clear

Fair at altitude.
Clear below.
18℃ 65°F SW
Light
0%
Sun12:00Mixed

Clear spells. 20℃ 68°F SW
Light
0%
Sun13:00Cloud

Cloudy. 21℃ 70°F SW
Light
0%
Sun14:00Cloud

Cloudy. 22℃ 71°F SW
Light
0%
Sun15:00Cloud

Cloudy. 22℃ 71°F SW
Light
0%
Sun16:00Mixed

Clear spells. 22℃ 71°F SW
Light
0%
Sun17:00Mixed

Clear spells. 21℃ 69°F SW
Light
0%
Sun18:00Cloud

Cloudy. 20℃ 68°F SW
Light
0%
Sun19:00Cloud

Cloudy. 18℃ 64°F SW
Light
0%
Sun20:00Cloud

Clear spells at altitude.
Cloud below.
16℃ 61°F SW
Light
0%
Sun21:00Fair

Fair. 15℃ 58°F SW
Light
0%
Sun22:00Fair

Fair. 13℃ 56°F SW
Light
0%
Sun23:00Fair

Fair. 13℃ 55°F SW
Light
0%
Mon00:00Fair

Fair. 12℃ 54°F S
Light
0%
Mon01:00Mixed

Clear spells. 12℃ 54°F S
Calm
0%
Mon02:00Mixed

Clear spells. 12℃ 53°F S
Calm
0%
Mon03:00Mixed

Clear spells. 11℃ 51°F S
Calm
0%
Mon04:00Mixed

Cloudy at altitude.
Mixed below.
10℃ 50°F S
Calm
0%
Mon05:00Mixed

Clear spells. 9℃ 49°F S
Calm
0%
Mon06:00Mixed

Clear spells. 9℃ 47°F S
Light
5%
Mon07:00Cloud

Clear spells at altitude.
Cloud below.
8℃ 46°F S
Light
5%
Mon08:00Cloud

Cloudy. 9℃ 47°F S
Light
5%
Mon09:00Mixed

Clear spells. 12℃ 53°F S
Calm
10%
Mon10:00Cloud

Clear spells at altitude.
Cloud below.
14℃ 58°F S
Calm
10%
Mon11:00Mixed

Clear spells. 16℃ 60°F S
Light
10%
Mon12:00Cloud

Cloudy. 16℃ 62°F S
Light
10%
Mon13:00Cloud

Cloudy. 17℃ 62°F S
Light
10%
Mon14:00Lt Drizzle

Cloudy at altitude.
Lt drizzle below.
16℃ 60°F S
Light
10%
Mon15:00Lt Drizzle

Cloudy at altitude.
Lt drizzle below.
16℃ 60°F S
Light
10%
Mon16:00Lt Drizzle

Cloudy at altitude.
Lt drizzle below.
16℃ 60°F S
Light
10%
Mon17:00Lt Drizzle

Cloudy at altitude.
Lt drizzle below.
15℃ 59°F S
Light
10%
Mon18:00Cloud

Cloudy. 15℃ 58°F S
Light
5%
Mon19:00Cloud

Cloudy. 13℃ 56°F S
Light
0%
Mon20:00Cloud

Cloudy. 12℃ 54°F S
Light
0%
Mon21:00Cloud

Cloudy. 11℃ 53°F S
Light
0%
Mon22:00Mixed

Clear spells. 11℃ 51°F S
Light
0%
Mon23:00Mixed

Fair at altitude.
Mixed below.
10℃ 51°F S
Light
0%

Snow Forecast near Unterwasser

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Unterwasser are not available.

Unterwasser Snow

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

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.

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.