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Grächen Snow Forecast - 21st September 2026

Grächen Snow Report and Forecast

ECMWF IFS
GFS

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Updated 21 September 2026 13:45 BST

Snow Forecast for Grächen

Snow and Weather from 21 September.

For Forecast detail, see below.

Grächen Snow Forecast Highlights

When will there be fresh snow in Grächen?

Grächen Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,255m)
Next Snow?
There is no snow currently in the forecast for Grächen.
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Forecast for today in Grächen

Max 22℃ 72°F
Min 8℃ 47°F

Valley temperatures from an overnight low of 8℃ 47°F to daytime highs around 22℃ 72°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

CloudMixedCloudFair

Cloudy first, clear spells then cloudy, fair later.

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

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Summary Weather and Snow Forecast for Grächen from OpenMeteo(ECMWF IFS)
Mon
21
Tue
22
Wed
23
Thu
24
Fri
25
Sat
26
Sun
27
Wind
2,890m 9,482ft
11℃ 52°F
Cloud
11℃ 52°F
Clear
10℃ 51°F
Clear
9℃ 49°F
Mixed
11℃ 52°F
Mixed
13℃ 56°F
Clear
12℃ 54°F
Fair
2,255m 7,398ft
18℃ 64°F
Mixed
18℃ 64°F
Clear
17℃ 62°F
Clear
16℃ 60°F
Mixed
18℃ 64°F
Mixed
20℃ 68°F
Clear
19℃ 66°F
Fair
1,620m 5,315ft
22℃ 72°F
Cloud
22℃ 72°F
Clear
21℃ 71°F
Clear
21℃ 69°F
Mixed
22℃ 72°F
Mixed
24℃ 76°F
Clear
23℃ 74°F
Fair
Snow Line
Max Town 22℃ 72°F 22℃ 72°F 21℃ 71°F 21℃ 69°F 22℃ 72°F 24℃ 76°F 23℃ 74°F
Min Town 8℃ 47°F 7℃ 44°F 8℃ 46°F 6℃ 42°F 9℃ 48°F 10℃ 49°F 8℃ 47°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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Snow Reliability

Grächen boasts reliable snow conditions, with an average snow depth of around 100 cm during peak season. Regular snowfall ensures excellent skiing, but for the latest updates, check J2Ski for current snow information.

Understanding and predicting Snow Conditions in Grächen

Here are our tips for making the most of a trip to Grächen, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Grächen, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Grächen is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Grächen will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Grächen for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.