Weather in Chennai on 17 August 2026
Preliminary outlook for 17 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +27°C, average precipitation 0.8 mm, wind around 4 m/s, humidity around 73%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+27°C
Weather archive — latest year: 2025
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +25°C
Precipitation: 1.2 mm
Wind: 6 — 8 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 243° ← (W) |
Sunrise
05:57
Duration
12 h 32 min
Sunset
18:29
Moonrise
No moonrise
Moonset
13:19
Moon phase
Last Quarter
Illumination
37%
+30°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +29°C
Precipitation: 0.1 mm
Wind: 4 — 4 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 61% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +36°C | Dew point (avg.) | +26°C |
| Heat index (avg.) | +36°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 170° ↘ (SSE) |
Sunrise
05:57
Duration
12 h 32 min
Sunset
18:29
Moonrise
16:36
Moonset
03:09
Moon phase
Waxing Gibbous
Illumination
86%
+30°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +28°C
Precipitation: 0.1 mm
Wind: 3 — 5 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 55% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 179° ↘ (SSE) |
Sunrise
05:57
Duration
12 h 32 min
Sunset
18:29
Moonrise
06:32
Moonset
19:19
Moon phase
Waxing Crescent
Illumination
1%
+30°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +28°C
Precipitation: 0.3 mm
Wind: 5 — 5 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 48% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +35°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +35°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 188° ↓ (S) |
Sunrise
05:57
Duration
12 h 32 min
Sunset
18:29
Moonrise
22:35
Moonset
10:35
Moon phase
Waning Gibbous
Illumination
61%
+30°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +27°C
Precipitation: 0.7 mm
Wind: 4 — 4 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 72% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 196° ↓ (SSW) |
Sunrise
05:57
Duration
12 h 32 min
Sunset
18:29
Moonrise
13:53
Moonset
00:36
Moon phase
First Quarter
Illumination
61%
+29°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +28°C
Precipitation: 1.3 mm
Wind: 4 — 4 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 62% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 213° ↙ (SW) |
Sunrise
05:57
Duration
12 h 32 min
Sunset
18:29
Moonrise
03:57
Moonset
17:11
Moon phase
Waning Crescent
Illumination
1%
+28°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +27°C
Precipitation: 2.2 mm
Wind: 3 — 5 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 4 h |
| UV index | 6 | Cloud cover (avg.) | 77% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 7 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 248° ← (W) |
Sunrise
05:57
Duration
12 h 32 min
Sunset
18:29
Moonrise
19:55
Moonset
07:13
Moon phase
Waxing Gibbous
Illumination
86%
Weather in Chennai on 17 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+29°C
|
+25°C
|
+27°C | 10 h | 6 | 78% | 6 — 8 m/s |
| 2024 |
+31°C
|
+29°C
|
+30°C | 9 h | 6 | 79% | 4 — 4 m/s |
| 2023 |
+33°C
|
+28°C
|
+30°C | 11 h | 7 | 70% | 3 — 5 m/s |
| 2022 |
+31°C
|
+28°C
|
+30°C | 10 h | 6 | 74% | 5 — 5 m/s |
| 2021 |
+32°C
|
+27°C
|
+30°C | 12 h | 6 | 64% | 4 — 4 m/s |
| 2020 |
+32°C
|
+28°C
|
+29°C | 12 h | 6 | 67% | 4 — 4 m/s |
| 2019 |
+31°C
|
+27°C
|
+28°C | 4 h | 6 | 78% | 3 — 5 m/s |