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Alt St. Johann Weather Forecast - 7 to 16 days - 12th April 2026

Alt St. Johann Weather

ECMWF IFS
GFS

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Weather Forecast for Alt St. Johann (900m to 2,262m)

Weather Outlook from 12 April.

Alt St. Johann Forecast

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

Alt St. Johann Weather Forecast updated at 17:46 AEST, next update expected 23:00 AEST.

Long-range Snow Outlook for Alt St. Johann

 
Snowfall

 
Snow Line

Max 16℃
Min 2℃

6cm New Snow

Snow Line from 2,008m to 1,438m, with rain below.

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Alt St. Johann Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Alt St. Johann from OpenMeteo(ECMWF IFS)
BaseSnow and WeatherTemp
Town
Sun
12
Lt Drizzle

Light snow at altitude, light drizzle below.

Max 11℃
Min 8℃
Mon
13
Lt Drizzle

up to 2cm New Snow
Light snow at altitude, light drizzle below.
Snow Line from 2,008m to 1,715m, with rain below.

Max 11℃
Min 7℃
Tue
14
Lt Drizzle

up to 3cm New Snow
Light snow at altitude, light drizzle below.
Snow Line from 1,777m to 1,438m, with rain below.

Max 7℃
Min 5℃
Wed
15
Cloud

Cloudy.

Max 10℃
Min 6℃
Thu
16
Lt Drizzle

up to 1cm New Snow
Light snow at altitude, light drizzle below.
Snow Line from 1,992m to 1,654m, with rain below.

Max 13℃
Min 6℃
Fri
17
Cloud

Cloudy.

Max 15℃
Min 2℃
Sat
18
Cloud

Cloudy.

Max 16℃
Min 6℃

This Snow Forecast for Alt St. Johann, 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 Alt St. Johann, 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.

Alt St. Johann Weather Forecast updated at 17:46 AEST, next update expected 23:00 AEST.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Alt St. Johann.

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

Off-Piste Safety in Alt St. Johann

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