🇮🇳 Weather in Chennai
Map Overlays:
Hourly Forecast for Chennai
19:00
30°
12%
20:00
29°
22%
21:00
30°
60%
22:00
30°
20%
23:00
30°
14%
00:00
30°
23%
01:00
30°
26%
02:00
30°
26%
03:00
30°
36%
04:00
30°
12%
05:00
30°
6%
06:00
30°
5%
07:00
30°
5%
08:00
31°
4%
09:00
33°
4%
10:00
34°
3%
11:00
34°
3%
12:00
35°
3%
13:00
35°
2%
14:00
34°
7%
15:00
31°
6%
16:00
30°
8%
17:00
30°
7%
18:00
30°
8%
14-Day Forecast for Chennai
2026-07-25
Partly Cloudy
34° /
29°
2026-07-26
Partly Cloudy
35° /
29°
2026-07-27
Partly Cloudy
36° /
29°
2026-07-28
Partly Cloudy
36° /
29°
2026-07-29
Partly Cloudy
36° /
29°
2026-07-30
Partly Cloudy
35° /
30°
2026-07-31
Sunny
36° /
29°
Additional Forecasts for Chennai
Air Quality
💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 340.0 μg/m³
O₃ (Ozone) 93.0 μg/m³
NO₂ (Nitrogen Dioxide) 11.9 μg/m³
SO₂ (Sulphur Dioxide) 5.9 μg/m³
PM2.5 (Fine particles) 21.2 μg/m³
PM10 (Coarse particles) 30.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in India
Weather in Chennai — FAQ
Answers refreshed each request based on current conditions in Chennai.
What is the weather like right now in Chennai?
Right now in Chennai, India the temperature is 32.0°C (feels like 40.2°C), with mist. Relative humidity is 71% and wind is 23.8 km/h.
What is today's high and low temperature in Chennai?
Today's forecast high in Chennai is 34.2°C and the overnight low is 28.6°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Chennai today?
The chance of precipitation in Chennai today is 57%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Chennai differ from nearby cities?
Even short distances can change temperatures noticeably. Chennai's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.