5-day weather forecast Singapore Sep 18, 2026

30°27° · Overcast

Weather forecast Singapore Friday Sep 18, 2026: overcast, temperature from 27 °C to 30 °C.

Precipitation probability 22%. Wind up to 5.39 m/s (gusts 8.19 m/s). Air humidity 62–79%, atmospheric pressure 756–759 mm Hg, UV index up to 7.

Sunrise 06:55
Sunset 19:02
First Quarter53% illuminated
Moonrise 12:45 · Moonset 00:11
Chart
Table

Forecast from 27 °C to 30 °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)282828282828272728282929303029292929292929292928
Precipitation (mm/hr)0000000000000000.040.070000000

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 (%)1226981009486977256530371127228381519510941009993
Rain chance (%)781920201922171488745617201016516171716

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)4.394.194.194.54.895.395.194.54.814.394.313.312.892.81444.194.193.693.393.53.893.893.89
Wind gust (m/s)4.534.314.334.615.2265.925.225.534.924.894.113.722.92888.194.2243.923.724.314.144
Wind direction (°)ESE 106°ESE 105°ESE 103°E 99°ESE 107°ESE 117°ESE 107°ESE 113°ESE 123°ESE 118°ESE 121°SE 125°SSE 148°S 175°S 183°S 188°S 170°SSE 158°SE 143°SE 132°SE 128°SE 127°ESE 120°ESE 108°

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 (%)727273757678797978767165626367707070686869707069

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)758758758758757757758758758759759759758758758757757756757757758758759759

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 Index000000067777777667670000

Air quality & pollen

Air quality is available for the first three days only.

Singapore 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.