Weather in Chennai - 14-day forecast

Detailed weather forecast for Chennai, India: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Chennai

today☁️ 34°💧 0.1 mm

Thu🌧️ 34°💧 0.1 mm

Fri🌧️ 35°💧 6.4 mm

Sat🌧️ 35°💧 0.1 mm

Sun☁️ 35°💧 0.2 mm

Mon☁️ 35°💧 0.4 mm

Tue🌧️ 35°💧 0.4 mm

Wed🌧️ 32°💧 1.3 mm

14-day forecast - Chennai

📅 Chennai 30 & 45-day weather - long-range outlook

Next 16 days · forecast

34°

around 30° at night · days with rain: 3

Weeks 3-4 · avg for July

36°

around 26° at night · rain chance 52%

Weeks 5-7 · avg for August

35°

around 25° at night · rain chance 63%

The 30 & 45-day outlook for Chennai: the next 16 days are a numerical forecast updated daily - on average 34° by day and 30° at night. Further out we rely on multi-year climate averages: around 36° in July, and about 35° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Chennai

Wednesday8 July 2026

☁️34°overcast clouds

sunrise 05:48 · sunset 18:40 · night 31° · evening 34° · rain 0.14 mm · humidity 47% · wind 10 m/s · clouds 96%

Thursday9 July 2026

🌧️34°light rain

sunrise 05:48 · sunset 18:40 · night 30° · evening 31° · rain 0.1 mm · humidity 42% · wind 9 m/s · clouds 100%

Friday10 July 2026

🌧️35°moderate rain

sunrise 05:48 · sunset 18:40 · night 29° · evening 29° · rain 6.4 mm · humidity 44% · wind 6 m/s · clouds 90%

Saturday11 July 2026

🌧️35°light rain

sunrise 05:49 · sunset 18:40 · night 30° · evening 30° · rain 0.12 mm · humidity 43% · wind 7 m/s · clouds 100%

Sunday12 July 2026

☁️35°overcast clouds

sunrise 05:49 · sunset 18:40 · night 30° · evening 34° · rain 0.15 mm · humidity 39% · wind 7 m/s · clouds 100%

Monday13 July 2026

☁️35°overcast clouds

sunrise 05:49 · sunset 18:40 · night 29° · evening 31° · rain 0.39 mm · humidity 38% · wind 6 m/s · clouds 100%

Tuesday14 July 2026

🌧️35°light rain

sunrise 05:50 · sunset 18:40 · night 29° · evening 30° · rain 0.39 mm · humidity 37% · wind 7 m/s · clouds 100%

Wednesday15 July 2026

🌧️32°light rain

sunrise 05:50 · sunset 18:40 · night 30° · evening 31° · rain 1.26 mm · humidity 44% · wind 6 m/s · clouds 97%

Thursday16 July 2026

🌧️35°light rain

sunrise 05:50 · sunset 18:39 · night 31° · evening 33° · rain 0.12 mm · humidity 40% · wind 6 m/s · clouds 99%

Friday17 July 2026

🌧️35°light rain

sunrise 05:50 · sunset 18:39 · night 30° · evening 30° · rain 0.9 mm · humidity 39% · wind 8 m/s · clouds 100%

Saturday18 July 2026

☁️33°overcast clouds

sunrise 05:51 · sunset 18:39 · night 30° · evening 31° · rain 0.63 mm · humidity 43% · wind 10 m/s · clouds 100%

Sunday19 July 2026

🌧️32°light rain

sunrise 05:51 · sunset 18:39 · night 31° · evening 31° · rain 0.66 mm · humidity 47% · wind 7 m/s · clouds 100%

Monday20 July 2026

🌧️35°light rain

sunrise 05:51 · sunset 18:39 · night 32° · evening 34° · rain 0.24 mm · humidity 37% · wind 8 m/s · clouds 62%

Tuesday21 July 2026

🌧️34°light rain

sunrise 05:52 · sunset 18:39 · night 31° · evening 35° · rain 0.36 mm · humidity 39% · wind 9 m/s · clouds 100%

Wednesday22 July 2026

🌧️35°light rain

sunrise 05:52 · sunset 18:39 · night 29° · evening 32° · rain 1.62 mm · humidity 40% · wind 8 m/s · clouds 91%

Thursday23 July 2026

☁️35°overcast clouds

sunrise 05:52 · sunset 18:38 · night 30° · evening 31° · humidity 40% · wind 7 m/s · clouds 90%

☀️ UV index in Chennai - is it safe to sunbathe?

Today the UV index in Chennai is 8 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

🌊 Sea temperature - Chennai

Water today

30°C

Week avg

30°C

Waves today

0.9 m

How's the water?

very warm

16-day sea temperature forecast:

8.07 30°C9.07 30°C10.07 30°C11.07 30°C12.07 30°C13.07 30°C14.07 30°C15.07 30°C16.07 30°C

Average sea temperature through the year:

Jan 27°CFeb 28°CMar 30°CApr 31°CMay 31°CJun 31°CJul 30°CAug 30°CSep 30°COct 30°CNov 29°CDec 27°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Chennai

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Ludhijana	74.5	155.5	sufficient
Delhi	36.8	37	moderate
Patna	34.5	37.1	good
Lucknow	26.5	27.8	good
Kalkuta	22.4	30.6	good
Surat	22.3	31.8	good
Kanpur	20.6	21.2	good
Ahmadabad	20.1	38.4	good
Mumbaj	17.1	33.9	good
Agra	16.7	16.8	good
Madras	13.7	22.1	good
Indore	13.2	13.2	good
Nagpur	8	10.6	very good
Hyderabad	3	4	very good
Bengaluru Urban	2.5	3.9	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 06:30).

Chennai weather through the year

Warmest, driest months on average: January, February, March, November.

Nearby places

BangaloreJaffnaTrincomaleeAnuradhapuraBatticaloa

FAQ - Chennai weather

What is the weather like in Chennai today?

Today it is about 34° during the day and 31° at night, overcast clouds.

How far ahead can I check the forecast for Chennai?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.