5-day weather forecast Chennai 17-08-2026
Weather forecast Chennai Monday, August 17 17.08.2026: partly cloudy, temperature from 29 °C to 34 °C.
Precipitation probability 46%. Wind up to 7.61 m/s (gusts 10.94 m/s). Air humidity 45–77%, atmospheric pressure 755–758 mm Hg, UV index up to 11.1.
5 days at a glance — tap a day to open it
Sunrise 05:56
Sunset 18:29
Sunset 18:29
Waxing Crescent27% illuminated
Moonrise 09:52 · Moonset 21:49
Moonrise 09:52 · Moonset 21:49
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy light drizzle | 29 °C | 46% (0.58 mm/hr) | 67% | 76% | 756 mm Hg | S 176° 5.89 (9.08) m/s | 0 |
| 01:00 |  Partly cloudy | 29 °C | 13% | 60% | 74% | 755 mm Hg | S 188° 4.39 (6.83) m/s | 0 |
| 02:00 |  Patchy rain possible | 29 °C | 20% (0.05 mm/hr) | 85% | 71% | 755 mm Hg | SSW 196° 3.61 (5.61) m/s | 0 |
| 03:00 | Patchy rain possible | 29 °C | 24% (0.13 mm/hr) | 77% | 73% | 755 mm Hg | SSW 196° 3.39 (5.58) m/s | 0 |
| 04:00 | Patchy rain possible | 29 °C | 20% (0.07 mm/hr) | 80% | 72% | 755 mm Hg | SSW 210° 2.61 (4.39) m/s | 0 |
| 05:00 | Patchy rain possible | 29 °C | 17% (0.05 mm/hr) | 73% | 67% | 755 mm Hg | WSW 255° 2.61 (4.44) m/s | 0 |
| 06:00 |  Sunny | 29 °C | 4% | 10% | 61% | 756 mm Hg | W 280° 3.81 (6.14) m/s | 0.2 |
| 07:00 | Sunny | 30 °C | 3% | 10% | 56% | 757 mm Hg | WNW 284° 4.81 (6.78) m/s | 1 |
| 08:00 | Sunny | 31 °C | 2% | 9% | 53% | 757 mm Hg | WNW 282° 4.61 (6.19) m/s | 3 |
| 09:00 | Sunny | 32 °C | 2% | 9% | 50% | 757 mm Hg | WNW 283° 3.69 (4.89) m/s | 5.8 |
| 10:00 | Sunny | 33 °C | 2% | 10% | 49% | 757 mm Hg | WNW 283° 2.61 (3.47) m/s | 8.9 |
| 11:00 | Sunny | 33 °C | 2% | 20% | 45% | 756 mm Hg | NNW 338° 0.61 (0.78) m/s | 11 |
| 12:00 | Sunny | 34 °C | 2% | 18% | 45% | 755 mm Hg | ENE 75° 1.89 (2.36) m/s | 11.1 |
| 13:00 |  Partly cloudy | 34 °C | 4% | 41% | 47% | 755 mm Hg | E 100° 4.31 (5.61) m/s | 9 |
| 14:00 | Partly cloudy | 32 °C | 5% | 45% | 55% | 755 mm Hg | ESE 118° 7 (8.83) m/s | 4.6 |
| 15:00 | Partly cloudy | 30 °C | 9% | 57% | 65% | 755 mm Hg | SE 138° 7 (9.75) m/s | 1.6 |
| 16:00 | Partly cloudy | 30 °C | 8% | 56% | 63% | 755 mm Hg | SE 139° 7.11 (9.53) m/s | 0.6 |
| 17:00 | Partly cloudy | 29 °C | 8% | 46% | 68% | 755 mm Hg | SE 135° 6.81 (9.81) m/s | 0.1 |
| 18:00 | Partly cloudy | 29 °C | 7% | 27% | 70% | 755 mm Hg | SE 141° 6 (8.78) m/s | 0 |
| 19:00 |  Cloudy | 29 °C | 13% | 79% | 69% | 756 mm Hg | SSE 153° 4.5 (6.53) m/s | 0 |
| 20:00 |  Overcast | 29 °C | 16% | 94% | 68% | 756 mm Hg | SSE 154° 5.61 (8.58) m/s | 0 |
| 21:00 | Partly cloudy | 29 °C | 9% | 46% | 71% | 757 mm Hg | SSE 161° 6.81 (10.28) m/s | 0 |
| 22:00 | Partly cloudy | 29 °C | 12% | 46% | 76% | 758 mm Hg | S 182° 7.61 (10.94) m/s | 0 |
| 23:00 | Cloudy | 29 °C | 16% | 73% | 77% | 757 mm Hg | S 190° 6.61 (9.47) m/s | 0 |
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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.