5-day weather forecast Chennai 20-03-2026
Weather forecast Chennai Friday 20 March 20.03.2026: sunny, temperature from 25 °C to 30 °C.
Precipitation probability 79%. Wind up to 8.11 m/s (gusts 9.97 m/s). Air humidity 59–81%, atmospheric pressure 755–760 mm Hg, UV index up to 11.4.
Sunrise 06:16
Sunset 18:20
Sunset 18:20
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 27 °C | 0% | 8% | 74% | 758 mm Hg | S 172° 3.31 (5.03) m/s | 0 |
| 01:00 | Clear | 26 °C | 0% | 11% | 75% | 758 mm Hg | S 183° 3.19 (4.92) m/s | 0 |
| 02:00 | Clear | 26 °C | 0% | 12% | 76% | 757 mm Hg | S 189° 3.5 (5.36) m/s | 0 |
| 03:00 | Clear | 26 °C | 0% | 15% | 77% | 757 mm Hg | SSW 206° 3.61 (5.56) m/s | 0 |
| 04:00 | Clear | 25 °C | 0% | 21% | 79% | 757 mm Hg | SW 216° 4.19 (6.5) m/s | 0 |
| 05:00 | Clear | 25 °C | 0% | 15% | 80% | 757 mm Hg | SSW 207° 4 (6.28) m/s | 0 |
| 06:00 |  Sunny | 25 °C | 0% | 17% | 81% | 758 mm Hg | SSW 211° 3.19 (4.94) m/s | 0.1 |
| 07:00 | Sunny | 26 °C | 0% | 19% | 77% | 758 mm Hg | SW 226° 3.19 (4.33) m/s | 0.8 |
| 08:00 | Sunny | 28 °C | 0% | 22% | 71% | 759 mm Hg | SW 224° 3.11 (3.78) m/s | 2.8 |
| 09:00 | Sunny | 29 °C | 0% | 16% | 65% | 760 mm Hg | SSW 201° 2.81 (3.33) m/s | 5.8 |
| 10:00 | Sunny | 30 °C | 0% | 18% | 60% | 759 mm Hg | S 170° 3.11 (3.61) m/s | 9 |
| 11:00 | Sunny | 30 °C | 0% | 13% | 59% | 758 mm Hg | SE 146° 4.69 (5.42) m/s | 11.2 |
| 12:00 | Sunny | 30 °C | 0% | 23% | 60% | 758 mm Hg | SE 142° 6.39 (7.36) m/s | 11.4 |
| 13:00 | Sunny | 30 °C | 0% | 20% | 63% | 756 mm Hg | SE 146° 7.39 (8.53) m/s | 9.1 |
| 14:00 | Sunny | 30 °C | 0% | 19% | 64% | 756 mm Hg | SSE 147° 7.5 (8.86) m/s | 5.2 |
| 15:00 | Sunny | 30 °C | 0% | 16% | 64% | 755 mm Hg | SE 141° 7.89 (9.08) m/s | 3.4 |
| 16:00 |  Patchy rain possible | 29 °C | 79% (0.01 mm/hr) | 72% | 68% | 755 mm Hg | SE 142° 8.11 (9.72) m/s | 1.3 |
| 17:00 |  Moderate rain at times | 28 °C | 100% (0.57 mm/hr) | 71% | 73% | 756 mm Hg | SE 126° 4.69 (6.33) m/s | 0.2 |
| 18:00 |  Moderate or heavy rain shower | 28 °C | 100% (3.18 mm/hr) | 88% | 75% | 757 mm Hg | SE 141° 2.19 (3.22) m/s | 0 |
| 19:00 | Clear | 27 °C | 0% | 8% | 71% | 757 mm Hg | SE 143° 4.5 (6.78) m/s | 0 |
| 20:00 | Clear | 27 °C | 0% | 11% | 77% | 757 mm Hg | SSE 155° 6.61 (9.97) m/s | 0 |
| 21:00 | Clear | 27 °C | 0% | 12% | 80% | 758 mm Hg | SSE 152° 4.81 (7.11) m/s | 0 |
| 22:00 | Clear | 27 °C | 0% | 11% | 81% | 758 mm Hg | SSE 159° 4.19 (6.14) m/s | 0 |
| 23:00 | Clear | 27 °C | 0% | 14% | 80% | 758 mm Hg | SSE 166° 4.31 (6.25) m/s | 0 |
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.