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Grefsenkollen Snow Forecast - 48 hour - 21st September 2026

Grefsenkollen 48-Hour Snow Forecast

ECMWF IFS
GFS

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Updated 21 September 2026 00:47 PDT

2-Day Forecast for Grefsenkollen

48-hours from 21 September.

See below for forecast detail

Grefsenkollen Snow Forecast updated at 00:47 PDT, next update expected 06:00 PDT.

Forecast for today in Grefsenkollen

Max 63°F
Min 47°F

Valley temperatures from an overnight low of 47°F to daytime highs around 63°F

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearFairClearClear

Clear sky, fair, clear sky later.

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

Forecast for tomorrow in Grefsenkollen

Max 59°F
Min 42°F

Valley temperatures from an overnight low of 42°F to daytime highs around 59°F

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearMixedClearClear

Clear sky, clear spells, clear sky later.

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?
Mon02:00Clear

Clear sky.50°FSW
Light
0%
Mon03:00Mixed

Clear spells.50°FSW
Light
0%
Mon04:00Mixed

Clear spells.50°FSW
Light
0%
Mon05:00Mixed

Clear spells.49°FSW
Light
0%
Mon06:00Clear

Clear sky.49°FSW
Light
0%
Mon07:00Clear

Clear sky.48°FSW
Light
0%
Mon08:00Clear

Clear sky.51°FSW
Breeze
0%
Mon09:00Fair

Fair.54°FSW
Breeze
0%
Mon10:00Fair

Fair.56°FSW
Breeze
0%
Mon11:00Fair

Fair.58°FSW
Breeze
0%
Mon12:00Clear

Clear sky.60°FSW
Breeze
0%
Mon13:00Clear

Clear sky.61°FSW
Breeze
0%
Mon14:00Fair

Fair.62°FSW
Breeze
0%
Mon15:00Clear

Clear sky.63°FSW
Breeze
0%
Mon16:00Clear

Clear sky.63°FSW
Breeze
0%
Mon17:00Clear

Clear sky.62°FSW
Light
0%
Mon18:00Clear

Clear sky.60°FSW
Light
0%
Mon19:00Clear

Clear sky.55°FSW
Light
0%
Mon20:00Clear

Clear sky.52°FSW
Light
0%
Mon21:00Clear

Clear sky.50°FSW
Light
0%
Mon22:00Clear

Clear sky.49°FSW
Light
0%
Mon23:00Clear

Clear sky.47°FSW
Light
0%
Tue00:00Clear

Clear sky.46°FSE
Light
0%
Tue01:00Clear

Clear sky.45°FSE
Light
0%
Tue02:00Clear

Clear sky.44°FSE
Light
0%
Tue03:00Clear

Clear sky.44°FSE
Light
0%
Tue04:00Fair

Fair.44°FSE
Light
0%
Tue05:00Fair

Fair.43°FSE
Light
0%
Tue06:00Clear

Clear sky.43°FSE
Light
0%
Tue07:00Mixed

Clear spells.42°FSE
Light
0%
Tue08:00Mixed

Clear spells.44°FSE
Light
0%
Tue09:00Mixed

Clear spells.48°FSE
Calm
0%
Tue10:00Mixed

Clear spells.51°FSE
Calm
0%
Tue11:00Clear

Clear sky.53°FSE
Light
0%
Tue12:00Clear

Clear sky.56°FSE
Light
0%
Tue13:00Clear

Clear sky.57°FSE
Light
0%
Tue14:00Clear

Clear sky.58°FSE
Light
0%
Tue15:00Clear

Clear sky.59°FSE
Light
0%
Tue16:00Clear

Clear sky.59°FSE
Light
0%
Tue17:00Clear

Clear sky.59°FSE
Light
0%
Tue18:00Clear

Clear sky.57°FSE
Light
0%
Tue19:00Clear

Clear sky.54°FSE
Light
0%
Tue20:00Clear

Clear sky.52°FSE
Light
0%
Tue21:00Clear

Clear sky.51°FSE
Light
0%
Tue22:00Clear

Clear sky.49°FSE
Light
0%
Tue23:00Fair

Fair.48°FSE
Calm
0%
Wed00:00Mixed

Clear spells.48°FSE
Calm
0%
Wed01:00Cloud

Cloudy.48°FSE
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 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.

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.