5-day weather forecast Oslo Sep 21, 2026

17° · Sunny

Weather forecast Oslo Monday Sep 21, 2026: sunny, temperature from 6 °C to 17 °C.

Precipitation probability 26%. Wind up to 4 m/s (gusts 11.53 m/s). Air humidity 40–76%, atmospheric pressure 755–767 mm Hg, UV index up to 1.8.

Sunrise 06:59
Sunset 19:20
Waxing Gibbous82% illuminated
Moonrise 18:34 · Moonset does not set today
Chart
Table

Forecast from 6 °C to 17 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)99999976710121415161617151414119987
Precipitation (mm/hr)0000.140.070.0500.030000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)32921001001008847815021413869483555617221
Rain chance (%)6141626231872075321128111023410138

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)43.813.393.8132.892.692.1921.811.812.192.693.112.692.191.692.1932.52.192.311.690.89
Wind gust (m/s)11.3111.3111.5311.4210.839.8162.422.393.334.834.6954.614.224.5335.317.117.612.612.815.690.92
Wind direction (°)W 266°W 270°W 271°W 275°W 276°WNW 295°NW 305°NW 309°WNW 302°WNW 302°WNW 297°WNW 297°WNW 302°WNW 303°NW 318°NNW 336°NNE 14°NNE 25°NNE 21°NNE 19°N 359°N 359°NNE 21°N 9°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)626364646866737674645549454442404953505762646772

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)755755755755755756758758759760760761761761762762763763764764765765767767

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index0000000000.30.71.21.71.81.61.410.60.200000

Air quality & pollen

Air quality is available for the first three days only.

Oslo on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.