5-day weather forecast Seoul Nov 18, 2026

10°3° · Patchy rain possible

Weather forecast Seoul Wednesday Nov 18, 2026: patchy rain possible, temperature from 3 °C to 10 °C.

Precipitation probability 39%. Wind up to 5.89 m/s (gusts 14.08 m/s). Air humidity 53–88%, atmospheric pressure 760–764 mm Hg, UV index up to 2.2.

Sunrise 07:14
Sunset 17:19
Waxing Gibbous73% illuminated
Moonrise 13:43 · Moonset 00:24
Chart
Table

Forecast from 3 °C to 10 °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)10998877777891010101099876443
Precipitation (mm/hr)0.010.01000000000.140.270.40.280.380.20.210.020.030.010000

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 (%)7187309113951446470989864836773768785709521
Rain chance (%)23261513131718161715293936343628281717125433

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)1.191.812222.392.612.812.52.612.812.613.113.814.615.895.55.615.395.815.895.815.815.5
Wind gust (m/s)2.113.394.644.535.145.815.675.615.535.896.55.177.839.5313.5814.0812.512.141111.0811.8912.9713.3613.39
Wind direction (°)NW 311°WNW 300°WNW 301°WNW 303°WNW 303°WNW 298°WNW 302°NW 304°WNW 296°WNW 288°WNW 284°W 274°W 263°W 261°WSW 256°W 272°W 280°WNW 291°WNW 298°WNW 300°WNW 302°WNW 303°WNW 303°NW 307°

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 (%)888887888888888480747166606367737167676663625853

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)764764764764763763763763764764763762761761760760760760761761762763764764

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 Index0000000000.30.70.822.20.90.10.20000000

Air quality & pollen

Air quality is available for the first three days only.

Seoul 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.