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Grefsenkollen Snow Forecast - 48 hour - 20th September 2026

Grefsenkollen 48-Hour Snow Forecast

ECMWF IFS
GFS

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Updated 21 September 2026 00:16 IST

2-Day Forecast for Grefsenkollen

48-hours from 20 September.

See below for forecast detail

Grefsenkollen Snow Forecast updated at 00:16 IST, next update expected 05:30 IST.

Forecast for today in Grefsenkollen

Max 17℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

ClearMixedClearCloud

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

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

Forecast for tomorrow in Grefsenkollen

Max 17℃
Min 9℃

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

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearClearClearClear

Clear sky.

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

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Grefsenkollen from OpenMeteo(ECMWF IFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sun02:00Clear

Clear sky.10℃SW
Breeze
0%
Sun03:00Clear

Clear sky.10℃SW
Breeze
0%
Sun04:00Clear

Clear sky.10℃SW
Breeze
0%
Sun05:00Clear

Clear sky.10℃SW
Breeze
0%
Sun06:00Clear

Clear sky.10℃SW
Breeze
0%
Sun07:00Clear

Clear sky.10℃SW
Breeze
0%
Sun08:00Mixed

Clear spells.10℃SW
Breeze
0%
Sun09:00Mixed

Clear spells.11℃SW
Breeze
0%
Sun10:00Cloud

Cloudy.12℃SW
Breeze
0%
Sun11:00Cloud

Cloudy.13℃SW
Breeze
0%
Sun12:00Mixed

Clear spells.14℃SW
Breeze
0%
Sun13:00Cloud

Cloudy.15℃SW
Breeze
0%
Sun14:00Cloud

Cloudy.15℃SW
Breeze
0%
Sun15:00Mixed

Clear spells.16℃SW
Breeze
0%
Sun16:00Clear

Clear sky.17℃SW
Breeze
0%
Sun17:00Clear

Clear sky.17℃SW
Breeze
0%
Sun18:00Fair

Fair.16℃SW
Breeze
0%
Sun19:00Clear

Clear sky.14℃SW
Breeze
0%
Sun20:00Clear

Clear sky.12℃SW
Light
0%
Sun21:00Mixed

Clear spells.11℃SW
Light
0%
Sun22:00Cloud

Cloudy.11℃SW
Light
0%
Sun23:00Cloud

Cloudy.11℃SW
Light
0%
Mon00:00Fair

Fair.11℃SW
Light
0%
Mon01:00Clear

Clear sky.11℃SW
Light
0%
Mon02:00Clear

Clear sky.10℃SW
Light
0%
Mon03:00Fair

Fair.10℃SW
Light
0%
Mon04:00Fair

Fair.10℃SW
Light
0%
Mon05:00Mixed

Clear spells.10℃SW
Light
0%
Mon06:00Clear

Clear sky.10℃SW
Light
0%
Mon07:00Clear

Clear sky.9℃SW
Light
0%
Mon08:00Clear

Clear sky.10℃SW
Light
0%
Mon09:00Clear

Clear sky.12℃SW
Light
0%
Mon10:00Fair

Fair.13℃SW
Light
0%
Mon11:00Clear

Clear sky.15℃SW
Breeze
0%
Mon12:00Fair

Fair.16℃SW
Breeze
0%
Mon13:00Fair

Fair.16℃SW
Breeze
0%
Mon14:00Mixed

Clear spells.17℃SW
Breeze
0%
Mon15:00Clear

Clear sky.17℃SW
Breeze
0%
Mon16:00Clear

Clear sky.16℃SW
Breeze
0%
Mon17:00Clear

Clear sky.16℃SW
Breeze
0%
Mon18:00Clear

Clear sky.15℃SW
Light
0%
Mon19:00Clear

Clear sky.13℃SW
Light
0%
Mon20:00Fair

Fair.11℃SW
Light
0%
Mon21:00Fair

Fair.10℃SW
Light
0%
Mon22:00Clear

Clear sky.10℃SW
Light
0%
Mon23:00Clear

Clear sky.9℃SW
Light
0%
Tue00:00Clear

Clear sky.8℃SE
Light
0%
Tue01:00Clear

Clear sky.7℃SE
Light
0%

Snow Forecast near Grefsenkollen

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Grefsenkollen are not available.

Grefsenkollen Snow

For current snow depths and skiing conditions, see our Current Snow Report for Grefsenkollen.

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.

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.