5-day weather forecast Chennai Sep 15, 2026

30°28–31° · Overcast

Weather forecast Chennai today Sep 15, 2026: sunny, temperature from 28 °C to 31 °C.

Precipitation probability 22%. Wind up to 6.19 m/s (gusts 10.5 m/s). Air humidity 62–81%, atmospheric pressure 755–760 mm Hg, UV index up to 11.3.

Sunrise 05:58
Sunset 18:10
Waxing Crescent23% illuminated
Moonrise 09:30 · Moonset 21:11
Chart
Table
Tue, Sep 15, 2026

Forecast from 28 °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)282828282828282829303131303030303030292929292828
Precipitation (mm/hr)0000000000000.150.1400.0700.05000000

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 (%)99778761820511005612100100537529509810010085111556
Rain chance (%)22182091011142110515151721617162220188989

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)3.312.612.52.692.52.312.392.392.112.193.3156.195.55.615.315.695.615.195.314.814.693.313
Wind gust (m/s)4.032.922.723.222.922.612.692.52.422.56.31910.1910.59.619.319.699.615.946.3166.034.334
Wind direction (°)S 175°S 188°S 190°S 188°SSW 194°SSW 206°SW 229°SW 227°SW 222°S 175°SE 138°SE 128°SE 127°SE 130°SE 131°SE 135°SE 139°SE 139°SE 142°SE 136°SE 141°SSE 152°SSE 166°S 181°

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 (%)797979808081817770646263666766666770747677787879

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)758758758758758758758759760760759758758757756755755756756757758758758758

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 Index0000000.10.82.75.88.810.911.39.66.63.61.30.2000000

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)16.616.316.216.517.418.921.920.820.421.424.22624.621.719.617.616.214.613.412.612.412.412.412
PM10 (µg/m³)23.823.323.123.223.925.428.527.727.629.333.33633.629.126.524.32321.42019.118.918.718.618
Ozone (O₃) (µg/m³)3334333027273036456282961009892826957484136343434
NO₂ (µg/m³)12.411.511.312.514.415.515.314.212.911.29.17.25.33.62.73.24.55.76.67.488.28.18
SO₂ (µg/m³)7.87.788.79.911.815.219.422.524.124.623.519.814.510.48.98.68.37.46.55.75.254.9
CO (µg/m³)235240249258271296349415454451421376304217157149169184184180173163150141
Tue, Sep 15, 2026

Frequently asked questions about the 5-day weather in Chennai

What will the weather be like in Chennai over the next 5 days?

Over the next 5 days in Chennai the temperature is expected to range from about 26 to 35 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Chennai?

The chance of rain in Chennai over the next 5 days reaches 79%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Chennai?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Chennai will be the warmest and which the coolest?

Over the next 5 days the temperature in Chennai ranges from about 26 to 35 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Chennai over the next 5 days?

Over the next 5 days the wind in Chennai picks up to 9 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Chennai is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 79%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Chennai?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Chennai this week?

Rain reaches a 79% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 11.3; sunscreen is worth it from about 3 upwards.

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.