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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 (2,953ft to 7,421ft)

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 00:46 PDT, next update expected imminently.

Long-range Snow Outlook for Alt St. Johann

 
Snowfall

 
Snow Line

Max 60°F
Min 35°F

2in New Snow

Snow Line from 6,588ft to 4,718ft, 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 51°F
Min 46°F
Mon
13
Lt Drizzle

up to 1in New Snow
Light snow at altitude, light drizzle below.
Snow Line from 6,588ft to 5,627ft, with rain below.

Max 52°F
Min 44°F
Tue
14
Lt Drizzle

up to 1in New Snow
Light snow at altitude, light drizzle below.
Snow Line from 5,830ft to 4,718ft, with rain below.

Max 45°F
Min 41°F
Wed
15
Cloud

Cloudy.

Max 51°F
Min 42°F
Thu
16
Lt Drizzle

New Snow
Light snow at altitude, light drizzle below.
Snow Line from 6,535ft to 5,427ft, with rain below.

Max 55°F
Min 43°F
Fri
17
Cloud

Cloudy.

Max 59°F
Min 35°F
Sat
18
Cloud

Cloudy.

Max 60°F
Min 42°F

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 00:46 PDT, next update expected imminently.

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.