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Grefsenkollen Weather Forecast - 7 to 16 days - 21st September 2026

Grefsenkollen Weather

ECMWF IFS
GFS

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Weather Forecast for Grefsenkollen (689ft to 1,224ft)

Weather Outlook from 21 September.

Grefsenkollen Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Grefsenkollen Weather Forecast updated at 12:47 PDT, next update expected 18:00 PDT.

Long-range Snow Outlook for Grefsenkollen

 
Snowfall

 
Snow Line

Max 62°F
Min 42°F

Snow unlikely

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Grefsenkollen Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Grefsenkollen from OpenMeteo(ECMWF IFS)
BaseSnow and WeatherTemp
Town
Mon
21
Fair

Fair.

Max 62°F
Min 48°F
Tue
22
Clear

Clear sky.

Max 59°F
Min 42°F
Wed
23
Cloud

Cloudy.

Max 61°F
Min 47°F
Thu
24
Cloud

Cloudy.

Max 57°F
Min 49°F
Fri
25
Cloud

Cloudy.

Max 58°F
Min 44°F
Sat
26
Clear

Clear sky.

Max 60°F
Min 44°F
Sun
27
Drizzle

Drizzle.

Max 56°F
Min 48°F

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.

Grefsenkollen Weather Forecast updated at 12:47 PDT, next update expected 18:00 PDT.

Current Snow

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

For more information about this Norwegian Ski Resort, See Also Skiing and Snowboarding in Grefsenkollen .

Off-Piste Safety in Grefsenkollen

Before skiing or snowboarding off-piste in Grefsenkollen, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.