Grefsenkollen – Weather Forecast
Category 4Oslo, Oslo, NO
This page shows a route-based weather forecast for the Grefsenkollen cycling climb in Oslo, Oslo, NO. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.
You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.
Grefsenkollen
Plan Your Ride
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Calculating weather along route...
Trip Summary
Forecast A
Trip Summary A
Forecast B
Trip Summary B
Weather Display Options
Forecast A - Route Map
Forecast B - Route Map
Compare Reversed Route
Same departure time & speed — opposite direction
→ Original Direction
← Reversed Direction
Creates a new saved route in the reversed direction
Route Map
Elevation Profile
Temperature Along Route
Precipitation & Precipitation Probability Along Route
Wind Along Route
Humidity Along Route
Pollen Along Route
UV Index Along Route
Start place details
Weather Forecast
Hourly around Sun 30 Aug 23:56
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | -1°C | -7°C | 1 | 2.1h | 14 | 98 mm | 75 % | 2 | 6h 53m |
| Feb | -1°C | -8°C | 14 | 4.8h | 8 | 36 mm | 73 % | 3 | 9h 12m |
| Mar | 7°C | -1°C | 23 | 8.2h | 9 | 11 mm | 70 % | 4 | 11h 51m |
| Apr | 13°C | 4°C | 24 | 10.1h | 10 | 32 mm | 68 % | 5 | 14h 37m |
| May | 17°C | 7°C | 30 | 13.1h | 8 | 43 mm | 65 % | 6 | 17h 11m |
| Jun | 19°C | 10°C | 28 | 13.0h | 19 | 75 mm | 67 % | 7 | 18h 41m |
| Jul | 24°C | 15°C | 25 | 12.2h | 17 | 116 mm | 66 % | 8 | 17h 53m |
| Aug | 20°C | 12°C | 27 | 10.8h | 19 | 72 mm | 68 % | 7 | 15h 31m |
| Sep | 16°C | 9°C | 21 | 7.5h | 20 | 154 mm | 70 % | 5 | 12h 49m |
| Oct | 10°C | 4°C | 14 | 4.6h | 20 | 132 mm | 72 % | 4 | 10h 5m |
| Nov | 5°C | 0°C | 4 | 2.3h | 19 | 73 mm | 76 % | 2 | 7h 32m |
| Dec | 3°C | -1°C | 0 | 2.0h | 17 | 91 mm | 77 % | 2 | 6h 3m |