5-day weather forecast Oslo 18-08-2026

Weather forecast Oslo Tuesday, August 18 18.08.2026: patchy rain possible, temperature from 8 °C to 20 °C.

Precipitation probability 52%. Wind up to 2 m/s (gusts 3.78 m/s). Air humidity 43–94%, atmospheric pressure 754–758 mm Hg, UV index up to 5.

Sunrise 05:39
Sunset 21:02
First Quarter37% illuminated
Moonrise 14:23 · Moonset 21:21
Chart
Table
Tue, Aug 18, 2026

Forecast from 8 °C to 20 °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)111011981181012131413161818191920181715141413
Precipitation (mm/hr)0.30.300.240.260.180.320.170.140.260.350.01000000000.02000

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 (%)8867668358100887560797470495524323946607387746047
Rain chance (%)41391945404152383238381987444469131098

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)0.690.891.611.811.811.691.51.191.390.810.310.891.111.311.110.810.50.190.390.610.811.191.612
Wind gust (m/s)1.471.893.363.783.783.223.142.081.860.920.361.031.361.611.280.890.610.220.691.111.582.192.813.39
Wind direction (°)NNE 31°NNE 32°NE 39°N 6°N 357°NNE 28°NNW 348°NNW 343°NNE 24°N 2°NNE 33°NE 44°SE 128°SSE 147°ENE 72°ENE 78°E 85°E 92°E 101°ESE 111°ESE 120°E 99°ENE 78°NE 56°

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 (%)808584929485949189837781665752494643485459616365

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)756756756758758756758758756757757756757756755755755754754754754754755755

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 Index00000000.20.40.71.522.63.43.4555453400
Tue, Aug 18, 2026

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.