Local forecast

Tamil Nadu, India

Chennai

26°

Mainly clear

Feels like 31°35°26°

Thursday, September 17 · 6:00 AM local time

Open-Meteo · weather model (not a station observation) · 6:00 AM

A clearer view of what's ahead.

The bigger picture

Your 10-day outlook

Open-Meteo · weather model (not a station observation) · 6:00 AM

10-day forecast. Daily precipitation probabilities, low and high temperatures.
Day	Conditions	Rain	Low	High	Precip.	Wind
Today	Light drizzle	77%	26°	35°	0.9 mm	14 km/h
Fri	Thunderstorm with slight hail	90%	26°	34°	18 mm	16 km/h
Sat	Thunderstorm	92%	25°	33°	15 mm	16 km/h
Sun	Thunderstorm	80%	24°	30°	6.3 mm	10 km/h
Mon	Slight rain showers	84%	24°	32°	11.1 mm	10 km/h
Tue	Dense drizzle	84%	25°	32°	11.4 mm	15 km/h
Wed	Dense drizzle	65%	25°	31°	9 mm	13 km/h
Thu	Light drizzle	50%	26°	29°	2.4 mm	14 km/h
Fri	Moderate drizzle	54%	26°	31°	4.8 mm	19 km/h
Sat	Slight rain showers	60%	26°	31°	17.4 mm	13 km/h

Coming up

Hour by hour

48 hours

Precipitation in the forecast from Thu 12:00 PM.

6:00 AM26°19%

7:00 AM27°10%

8:00 AM29°4%

9:00 AM32°1%

10:00 AM33°0%

11:00 AM35°6%

12:00 PM35°26%

1:00 PM35°52%

Open-Meteo · weather model (not a station observation) · 6:00 AM

View accessible hourly data

Hourly forecast, local time. Missing values shown as a dash.
Time	Conditions	Temp.	Feels	Rain chance	Precip.	Wind
Thu 6:00 AM	Mainly clear	26°	31°	19%	0 mm	6 km/h
Thu 7:00 AM	Mainly clear	27°	32°	10%	0 mm	8 km/h
Thu 8:00 AM	Clear sky	29°	34°	4%	0 mm	9 km/h
Thu 9:00 AM	Clear sky	32°	37°	1%	0 mm	9 km/h
Thu 10:00 AM	Clear sky	33°	39°	0%	0 mm	9 km/h
Thu 11:00 AM	Mainly clear	35°	41°	6%	0 mm	7 km/h
Thu 12:00 PM	Light drizzle	35°	43°	26%	0.1 mm	1 km/h
Thu 1:00 PM	Partly cloudy	35°	42°	52%	0 mm	7 km/h
Thu 2:00 PM	Light drizzle	33°	40°	71%	0.1 mm	12 km/h
Thu 3:00 PM	Mainly clear	32°	38°	77%	0 mm	14 km/h
Thu 4:00 PM	Light drizzle	32°	37°	75%	0.1 mm	12 km/h
Thu 5:00 PM	Clear sky	31°	36°	67%	0 mm	13 km/h
Thu 6:00 PM	Mainly clear	30°	36°	48%	0 mm	12 km/h
Thu 7:00 PM	Mainly clear	30°	36°	21%	0 mm	11 km/h
Thu 8:00 PM	Partly cloudy	30°	35°	4%	0 mm	14 km/h
Thu 9:00 PM	Overcast	28°	34°	3%	0 mm	8 km/h
Thu 10:00 PM	Light drizzle	28°	33°	11%	0.1 mm	10 km/h
Thu 11:00 PM	Light drizzle	27°	33°	18%	0.1 mm	10 km/h
Fri 12:00 AM	Overcast	27°	32°	21%	0 mm	5 km/h
Fri 1:00 AM	Overcast	26°	31°	24%	0 mm	9 km/h
Fri 2:00 AM	Overcast	26°	31°	25%	0 mm	8 km/h
Fri 3:00 AM	Overcast	26°	31°	24%	0 mm	10 km/h
Fri 4:00 AM	Overcast	26°	30°	21%	0 mm	12 km/h
Fri 5:00 AM	Overcast	26°	31°	18%	0 mm	7 km/h
Fri 6:00 AM	Overcast	26°	31°	13%	0 mm	8 km/h
Fri 7:00 AM	Overcast	27°	32°	8%	0 mm	8 km/h
Fri 8:00 AM	Overcast	29°	34°	4%	0 mm	8 km/h
Fri 9:00 AM	Overcast	31°	36°	1%	0 mm	7 km/h
Fri 10:00 AM	Overcast	32°	39°	0%	0 mm	4 km/h
Fri 11:00 AM	Partly cloudy	33°	41°	6%	0 mm	2 km/h
Fri 12:00 PM	Partly cloudy	34°	42°	24%	0 mm	3 km/h
Fri 1:00 PM	Light drizzle	34°	41°	49%	0.1 mm	5 km/h
Fri 2:00 PM	Light drizzle	33°	39°	69%	0.3 mm	8 km/h
Fri 3:00 PM	Light drizzle	32°	37°	80%	0.1 mm	12 km/h
Fri 4:00 PM	Light drizzle	31°	36°	85%	0.1 mm	12 km/h
Fri 5:00 PM	Thunderstorm	29°	35°	84%	1.5 mm	6 km/h
Fri 6:00 PM	Dense drizzle	29°	35°	71%	1 mm	7 km/h
Fri 7:00 PM	Clear sky	29°	35°	52%	0 mm	6 km/h
Fri 8:00 PM	Clear sky	29°	36°	43%	0 mm	7 km/h
Fri 9:00 PM	Clear sky	29°	36°	54%	0 mm	5 km/h
Fri 10:00 PM	Thunderstorm with slight hail	26°	31°	75%	6.9 mm	16 km/h
Fri 11:00 PM	Violent rain showers	26°	32°	90%	8 mm	7 km/h
Sat 12:00 AM	Moderate rain showers	25°	30°	92%	3.2 mm	13 km/h
Sat 1:00 AM	Slight rain showers	25°	31°	89%	1.4 mm	6 km/h
Sat 2:00 AM	Light drizzle	25°	31°	82%	0.4 mm	8 km/h
Sat 3:00 AM	Overcast	26°	31°	72%	0 mm	9 km/h
Sat 4:00 AM	Overcast	26°	31°	60%	0 mm	9 km/h
Sat 5:00 AM	Overcast	26°	31°	47%	0 mm	8 km/h

The nearby picture

Weather radar

Explore the radar

US radar coverage only. Other regions are not supported.

Illustrative map · not live radar

Radar shows precipitation, not a forecast. Coverage and observations may be delayed.

Make room for the outdoors

10-day forecast

Details

10-day forecast. Daily precipitation probabilities, low and high temperatures.
Day	Conditions	Rain	Low	High
Today	Light drizzle	77%	26°	35°
Fri	Thunderstorm with slight hail	90%	26°	34°
Sat	Thunderstorm	92%	25°	33°
Sun	Thunderstorm	80%	24°	30°
Mon	Slight rain showers	84%	24°	32°
Tue	Dense drizzle	84%	25°	32°
Wed	Dense drizzle	65%	25°	31°
Thu	Light drizzle	50%	26°	29°
Fri	Moderate drizzle	54%	26°	31°
Sat	Slight rain showers	60%	26°	31°

Open-Meteo · weather model (not a station observation) · 6:00 AM

The weather, made simple

Your day,
at a glance.

Model temperature is 26°C: mainly clear.
Highest available rain probability in the next 12 forecast hours: 77%.
Model sea-level pressure rises by 1.4 hPa across the next three hours.
Official alert status is not current; absence of warnings cannot be confirmed.

A rules-based summary of this forecast. Not AI-generated.

Open-Meteo · weather model (not a station observation) · 6:00 AM

A little time outside

Official alerts are unavailable or stale here. Outdoor recommendations are paused; the forecast is not a safety assessment.

Open-Meteo · weather model (not a station observation) · 6:00 AM

The details that matter

Beyond the temperature

Local conditions

Feels like

31°

Actual temperature 26°

What affects this?

Apparent temperature combines air temperature, humidity, wind and radiation.

Open-Meteo · weather model (not a station observation) · 6:00 AM

Precipitation

0.9 mm

77% daily probability

Next wet hour: Thu 12:00 PM · 0.1 mm

Open-Meteo · weather model (not a station observation) · 6:00 AM

Wind

7 km/h

Gusts 18 km/h

From 230°

Open-Meteo · weather model (not a station observation) · 6:00 AM

Humidity

86%

Dew point 24°

Dew point valid 6:00 AM

Open-Meteo · weather model (not a station observation) · 6:00 AM

Air quality

85US AQI

Moderate

Particles & scale

US EPA AQI scale. PM2.5: 13.8 µg/m³. PM10: 16.8 µg/m³. European AQI: 38.

Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe · 5:30 AM

UV index

9daily max

Very high · limit midday exposure

Open-Meteo · weather model (not a station observation) · 6:00 AM

Pressure & visibility

1009.2hPa

Forecast trend: rising

17.7 km visibility

Visibility valid 6:00 AM

Open-Meteo · weather model (not a station observation) · 6:00 AM

Sun & daylight

5:58 AM6:08 PM

12h 11m of daylight

Open-Meteo · weather model (not a station observation) · 6:00 AM

Moon phase

First quarter

32.9% illuminated

Astronomical calculation, not an observation.

Calculated with SunCalc · 6:00 AM

Pollen

Not available here

Pollen coverage varies by region. No estimated scores are shown.

Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe · 5:30 AM

Official alerts

Outside US alert coverage

This does not mean there are no alerts. Check your local meteorological authority.

Coverage & sources

Unavailable · Coverage unavailable

Sources, freshness & how to read this forecast

Times are local to Chennai (Asia/Kolkata). Forecasts and modeled environmental data are not on-site observations. A dash means a value is unavailable. Cached results are labeled; longer-range forecasts are less certain.

Forecast: Open-Meteo · weather model (not a station observation) · fresh · Fetched Sep 17, 2026, 6:13 AM

Air quality & pollen: Open-Meteo / CAMS · US/EU AQI; species pollen available only in Europe · fresh · Fetched Sep 17, 2026, 6:13 AM

Official alerts: Provider data is not supported for this region.

Read our methodology →

Chennai

Your 10-day outlook

Hour by hour

Weather radar

10-day forecast

Your day,at a glance.

A little time outside

Beyond the temperature

Feels like

Precipitation

Wind

Humidity

Air quality

UV index

Pressure & visibility

Sun & daylight

Moon phase

Pollen

Official alerts

Your day,
at a glance.