5-day weather forecast Chennai Oct 4, 2026

31°27° · Sunny

Weather forecast Chennai Sunday Oct 4, 2026: sunny, temperature from 27 °C to 31 °C.

Precipitation probability 16%. Wind up to 6.61 m/s (gusts 11.19 m/s). Air humidity 61–78%, atmospheric pressure 758–761 mm Hg, UV index up to 10.6.

Sunrise 05:58
Sunset 17:56
Last Quarter34% illuminated
Moonrise does not rise today · Moonset 12:50
Chart
Table

Forecast from 27 °C to 31 °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)282827272727272829303131313130303029292929282828
Precipitation (mm/hr)000000000000000000000000

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 (%)5575601155035241155555500000
Rain chance (%)77161388875444444455666666

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)2.812.52.392.52.612.692.692.812.8133.695.196.196.6165.896.195.695.194.894.694.113.53.19
Wind gust (m/s)3.032.832.642.832.893.113.223.11378.6910.1911.1910.61119.8911.195.695.815.835.8354.193.72
Wind direction (°)SSE 154°SSE 168°S 182°SSW 194°SSW 203°SSW 208°SW 220°SW 218°SSW 200°S 176°SSE 149°SE 133°SE 129°SE 128°SE 126°SE 127°SE 128°SE 127°SE 127°SE 125°SE 128°SE 132°SE 139°SSE 155°

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 (%)757575767677787470656161626364656668707172727271

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)760759759759759759760761761761761760759758758758758758758759760760760760

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 Index00000000.72.45.28.210.210.696.23.31.20.2000000

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)2525.125.125.225.325.726.325.12424.425.626.126.625.523.822.120.61917.516.616.415.915.314.5
PM10 (µg/m³)39.239.64040.440.540.941.240.740.541.642.842.84340.737.834.932.530.228.427.226.425.223.922.3
Ozone (O₃) (µg/m³)6059575451515459678197109112110106998980716357545251
NO₂ (µg/m³)9.99.49.19.510.210.39.58.375.84.63.62.82.32.22.73.74.555.45.75.85.75.7
SO₂ (µg/m³)5.55.45.45.35.367.810.312.313.814.81513.611.39.69.29.39.28.37.16.15.55.14.8
CO (µg/m³)174159158186228260273276272261245226205182166162165167164161158157157158

Chennai 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.