5-day weather forecast Chennai 20-03-2026
Weather forecast Chennai Friday 20 March 20.03.2026: sunny, temperature from 26 °C to 31 °C.
Precipitation probability 100%. Wind up to 8.69 m/s (gusts 10.42 m/s). Air humidity 56–80%, atmospheric pressure 755–759 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% | 16% | 75% | 758 mm Hg | SSE 164° 3.89 (5.92) m/s | 0 |
| 01:00 |  Partly cloudy | 26 °C | 0% | 60% | 76% | 758 mm Hg | S 173° 3.19 (4.94) m/s | 0 |
| 02:00 |  Patchy light drizzle | 26 °C | 100% (0.7 mm/hr) | 54% | 77% | 757 mm Hg | S 173° 2.5 (3.89) m/s | 0 |
| 03:00 |  Patchy rain possible | 26 °C | 100% (0.16 mm/hr) | 82% | 78% | 757 mm Hg | SSE 159° 2.61 (4.03) m/s | 0 |
| 04:00 | Patchy rain possible | 26 °C | 100% (0.21 mm/hr) | 75% | 79% | 757 mm Hg | S 171° 3.19 (4.97) m/s | 0 |
| 05:00 | Partly cloudy | 26 °C | 0% | 32% | 79% | 758 mm Hg | S 184° 3.31 (5.17) m/s | 0 |
| 06:00 |  Patchy rain possible | 26 °C | 100% (0.12 mm/hr) | 85% | 80% | 758 mm Hg | SSW 203° 3 (4.72) m/s | 0.1 |
| 07:00 |  Sunny | 27 °C | 0% | 11% | 76% | 759 mm Hg | SSW 210° 2.89 (3.89) m/s | 0.9 |
| 08:00 | Sunny | 28 °C | 0% | 12% | 68% | 759 mm Hg | SSW 206° 3.61 (4.67) m/s | 2.9 |
| 09:00 | Sunny | 29 °C | 0% | 11% | 62% | 759 mm Hg | S 189° 3.61 (4.67) m/s | 5.8 |
| 10:00 | Sunny | 30 °C | 0% | 10% | 58% | 759 mm Hg | S 177° 4.19 (5.44) m/s | 9.1 |
| 11:00 | Sunny | 31 °C | 0% | 9% | 57% | 758 mm Hg | S 169° 4.81 (6.22) m/s | 11.3 |
| 12:00 | Sunny | 31 °C | 0% | 8% | 56% | 758 mm Hg | SSE 159° 5.39 (6.22) m/s | 11.4 |
| 13:00 | Sunny | 31 °C | 0% | 14% | 56% | 756 mm Hg | SSE 147° 6.31 (7.25) m/s | 9.7 |
| 14:00 | Sunny | 31 °C | 0% | 17% | 57% | 755 mm Hg | SE 142° 7.11 (8.17) m/s | 6.5 |
| 15:00 | Sunny | 30 °C | 0% | 13% | 62% | 755 mm Hg | SE 143° 8.69 (10) m/s | 3.5 |
| 16:00 | Sunny | 29 °C | 0% | 9% | 66% | 755 mm Hg | SE 145° 8.61 (10.42) m/s | 1.3 |
| 17:00 |  Patchy light rain with thunder | 28 °C | 100% (1.05 mm/hr) | 74% | 71% | 755 mm Hg | SE 141° 6.89 (8.92) m/s | 0.2 |
| 18:00 |  Moderate or heavy rain with thunder | 27 °C | 100% (3.79 mm/hr) | 79% | 76% | 757 mm Hg | ESE 108° 2.89 (4.03) m/s | 0 |
| 19:00 | Clear | 27 °C | 0% | 9% | 76% | 756 mm Hg | SE 130° 5.61 (8.11) m/s | 0 |
| 20:00 | Clear | 28 °C | 0% | 12% | 78% | 757 mm Hg | SSE 147° 7 (9.92) m/s | 0 |
| 21:00 |  Thundery outbreaks possible | 28 °C | 100% (0.14 mm/hr) | 72% | 79% | 758 mm Hg | SSE 157° 4.89 (6.97) m/s | 0 |
| 22:00 | Clear | 28 °C | 0% | 25% | 80% | 758 mm Hg | SSE 152° 5.11 (7.25) m/s | 0 |
| 23:00 | Thundery outbreaks possible | 27 °C | 0% | 37% | 79% | 758 mm Hg | SSE 160° 3.69 (5.36) 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.