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Grefsenkollen 7-Day Snow Forecast - 21st March 2026

Grefsenkollen Snow Forecast - 7 day

ECMWF IFS
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Updated 21 March 2026 19:40 NZDT

7-Day Snow Forecast for Grefsenkollen

1-week from 21 March.

For Forecast detail, see below.

Grefsenkollen 7-Day Snow Forecast Highlights

When will there be fresh snow in Grefsenkollen?

Grefsenkollen Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (292m)
Next Snow?
There is no snow currently in the forecast for Grefsenkollen.

7-Day Snow Outlook for Grefsenkollen

 
Snowfall

 
Snow Line

Max 9℃
Min -2℃

1cm New Snow

Snow falling to resort level (210m).

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Grefsenkollen Medium-Range (7-Day) Snow Forecast Detail

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

Max 9℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 9℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Sat
21

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Grefsenkollen are in Oslo (Europe/Oslo) time zone.

Max 6℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 6℃

Temperature at BaseTemp at Base

Sun
22

Snow unlikely

CloudCloudFairCloud

Cloudy, fair, cloudy later.

Forecast times for Grefsenkollen are in Oslo (Europe/Oslo) time zone.

Max 8℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 8℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Mon
23

Snow unlikely

CloudClearClearCloud

Cloudy, clear sky, cloudy later.

Forecast times for Grefsenkollen are in Oslo (Europe/Oslo) time zone.

Max 6℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 6℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
24

1cm New Snow

CloudCloudCloudCloud

Cloudy.

Snow falling to resort level (210m).

Forecast times for Grefsenkollen are in Oslo (Europe/Oslo) time zone.

Max 9℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 9℃

Temperature at BaseTemp at Base

Wed
25

Snow unlikely

Lt DrizzleCloudClearLt Drizzle

Light drizzle first, cloudy then clear sky, light drizzle later.

Forecast times for Grefsenkollen are in Oslo (Europe/Oslo) time zone.

Max 9℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 9℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Thu
26

Snow unlikely

MixedCloudLt DrizzleCloud

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

Forecast times for Grefsenkollen are in Oslo (Europe/Oslo) time zone.

Max 6℃
Min -2℃

Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 6℃

Temperature at BaseTemp at Base

Fri
27

Snow unlikely

ClearClearClearFair

Clear sky early, then fair later.

Forecast times for Grefsenkollen are in Oslo (Europe/Oslo) time zone.

This Snow Forecast for Grefsenkollen, Norway 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 Grefsenkollen, 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.

Grefsenkollen Snow Forecast updated at 19:40 NZDT, next update expected 01:00 NZDT.

Snow Forecast near Grefsenkollen

Snow Forecasts for Ski Resorts near Grefsenkollen
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Tryvann-1cm
Varingskollen-1cm

Snow Reliability

Grefsenkollen typically enjoys reliable snow conditions, with an average snow depth of around 80 cm during peak season. Regular snowfall ensures a good base, but it's always best to check the latest updates on snow conditions at J2Ski.