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Grefsenkollen 7-Day Snow Forecast - 9th September 2026

Grefsenkollen Snow Forecast - 7 day

ECMWF IFS
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Updated 09 September 2026 14:43 CDT

7-Day Snow Forecast for Grefsenkollen

1-week from 9 September.

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 18℃
Min 8℃

Snow unlikely

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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 17℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Wed
09

Snow unlikely

ClearClearShwrsClear

Clear sky, rain showers, clear sky later.

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

Max 16℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Thu
10

Snow unlikely

ClearClearClearFair

Clear sky early, then fair later.

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

Max 14℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 14℃

Temperature at BaseTemp at Base

Fri
11

Snow unlikely

FairCloudLt DrizzleCloud

Fair first, cloudy then light drizzle, cloudy later.

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

Max 16℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Sat
12

Snow unlikely

CloudCloudCloudMixed

Cloudy early, then clear spells later.

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

Max 18℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Sun
13

Snow unlikely

MixedClearCloudClear

Clear spells first, clear sky then cloudy, clear sky later.

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

Max 15℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Mon
14

Snow unlikely

CloudCloudClearCloud

Cloudy, clear sky, cloudy later.

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

Max 15℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Tue
15

Snow unlikely

Lt DrizzleLt DrizzleDrizzleLt Rain

Light drizzle, drizzle, light rain showers later.

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

No significant snowfall is forecast for this period.

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 14:43 CDT, next update expected 20:00 CDT.

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.