5-day weather forecast Chennai 20-05-2026
Weather forecast Chennai Wednesday, May 20 20.05.2026: sunny, temperature from 30 °C to 39 °C.
No precipitation expected. Wind up to 12.39 m/s (gusts 17.17 m/s). Air humidity 38–63%, atmospheric pressure 750–754 mm Hg, UV index up to 8.4.
Sunrise 05:43
Sunset 18:28
Sunset 18:28
Waxing Crescent15% illuminated
Moonrise 09:03 · Moonset 22:25
Moonrise 09:03 · Moonset 22:25
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 31 °C | 0% | 6% | 59% | 752 mm Hg | W 261° 9.39 (13.44) m/s | 0 |
| 01:00 | Clear | 31 °C | 0% | 6% | 57% | 752 mm Hg | W 260° 7.81 (11.78) m/s | 0 |
| 02:00 | Clear | 31 °C | 0% | 5% | 54% | 752 mm Hg | WSW 256° 6.89 (10.61) m/s | 0 |
| 03:00 | Clear | 31 °C | 0% | 5% | 55% | 752 mm Hg | WSW 245° 5.5 (8.69) m/s | 0 |
| 04:00 | Clear | 31 °C | 0% | 4% | 57% | 752 mm Hg | SW 226° 4.61 (7.39) m/s | 0 |
| 05:00 | Clear | 30 °C | 0% | 5% | 60% | 752 mm Hg | SW 227° 4.19 (6.81) m/s | 0 |
| 06:00 |  Sunny | 31 °C | 0% | 5% | 59% | 753 mm Hg | SW 231° 4.39 (6.61) m/s | 0.2 |
| 07:00 | Sunny | 32 °C | 0% | 4% | 53% | 754 mm Hg | WSW 238° 5.89 (8) m/s | 1 |
| 08:00 | Sunny | 34 °C | 0% | 3% | 47% | 754 mm Hg | WSW 245° 6.5 (8.61) m/s | 2.9 |
| 09:00 | Sunny | 35 °C | 0% | 4% | 44% | 754 mm Hg | W 267° 6 (8.17) m/s | 5.1 |
| 10:00 | Sunny | 37 °C | 0% | 19% | 41% | 753 mm Hg | WNW 286° 5.31 (7.44) m/s | 6.4 |
| 11:00 | Sunny | 38 °C | 0% | 21% | 38% | 752 mm Hg | WNW 291° 4.5 (6.72) m/s | 7.7 |
| 12:00 | Sunny | 39 °C | 0% | 24% | 38% | 752 mm Hg | WNW 300° 3.31 (5.14) m/s | 7.2 |
| 13:00 | Sunny | 38 °C | 0% | 18% | 41% | 751 mm Hg | NNE 15° 0.5 (0.75) m/s | 8.4 |
| 14:00 | Sunny | 38 °C | 0% | 17% | 44% | 750 mm Hg | ESE 115° 2.39 (3.53) m/s | 6.2 |
| 15:00 | Sunny | 37 °C | 0% | 17% | 46% | 750 mm Hg | ESE 112° 4.81 (8.08) m/s | 3.6 |
| 16:00 | Sunny | 36 °C | 0% | 15% | 51% | 750 mm Hg | SE 136° 5.89 (10.31) m/s | 0.9 |
| 17:00 | Sunny | 35 °C | 0% | 13% | 50% | 751 mm Hg | SSW 192° 5.31 (8.83) m/s | 0.2 |
| 18:00 | Clear | 34 °C | 0% | 10% | 52% | 750 mm Hg | SSE 167° 5.39 (9.97) m/s | 0 |
| 19:00 | Clear | 34 °C | 0% | 11% | 51% | 751 mm Hg | S 186° 5.31 (10.83) m/s | 0 |
| 20:00 | Clear | 32 °C | 0% | 15% | 56% | 752 mm Hg | SW 231° 11.19 (16.39) m/s | 0 |
| 21:00 | Clear | 30 °C | 0% | 5% | 62% | 752 mm Hg | SW 235° 11.19 (15.81) m/s | 0 |
| 22:00 | Clear | 31 °C | 0% | 7% | 59% | 752 mm Hg | WSW 241° 11.5 (16.17) m/s | 0 |
| 23:00 | Clear | 30 °C | 0% | 6% | 63% | 752 mm Hg | WSW 241° 12.39 (17.17) m/s | 0 |
Chennai on the map
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.