5-day weather forecast Chennai 20-03-2026
Weather forecast Chennai Friday 20 March 20.03.2026: sunny, temperature from 24 °C to 31 °C.
Precipitation probability 70%. Wind up to 10.19 m/s (gusts 12.61 m/s). Air humidity 52–86%, atmospheric pressure 755–759 mm Hg, UV index up to 11.4.
Sunrise 06:14
Sunset 18:20
Sunset 18:20
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 27 °C | 0% | 60% | 77% | 758 mm Hg | S 171° 4.39 (6.64) m/s | 0 |
| 01:00 | Partly cloudy | 26 °C | 0% | 59% | 78% | 757 mm Hg | S 180° 4.11 (6.28) m/s | 0 |
| 02:00 |  Patchy rain possible | 26 °C | 70% (0.01 mm/hr) | 70% | 79% | 757 mm Hg | S 191° 3.69 (5.64) m/s | 0 |
| 03:00 | Patchy rain possible | 26 °C | 67% (0.02 mm/hr) | 65% | 81% | 757 mm Hg | SSW 201° 4.11 (6.31) m/s | 0 |
| 04:00 | Patchy rain possible | 25 °C | 100% (0.13 mm/hr) | 60% | 82% | 757 mm Hg | SSW 211° 3.89 (6.03) m/s | 0 |
| 05:00 |  Patchy light rain | 24 °C | 100% (2.15 mm/hr) | 51% | 84% | 758 mm Hg | WSW 248° 3.81 (5.89) m/s | 0 |
| 06:00 |  Patchy rain possible | 24 °C | 100% (0.21 mm/hr) | 75% | 86% | 758 mm Hg | WSW 247° 3.69 (5.81) m/s | 0.1 |
| 07:00 |  Sunny | 25 °C | 0% | 11% | 78% | 759 mm Hg | WSW 239° 3.69 (5.06) m/s | 0.8 |
| 08:00 | Sunny | 27 °C | 0% | 10% | 68% | 759 mm Hg | SW 216° 3.81 (4.78) m/s | 2.8 |
| 09:00 | Sunny | 29 °C | 0% | 9% | 59% | 759 mm Hg | SSW 197° 5.31 (6.67) m/s | 5.8 |
| 10:00 | Sunny | 30 °C | 0% | 7% | 55% | 759 mm Hg | S 190° 5.61 (7.06) m/s | 9 |
| 11:00 | Sunny | 31 °C | 0% | 8% | 52% | 758 mm Hg | S 179° 5 (6.31) m/s | 11.2 |
| 12:00 | Sunny | 31 °C | 0% | 17% | 52% | 757 mm Hg | SSE 160° 5.81 (6.67) m/s | 11.4 |
| 13:00 | Sunny | 31 °C | 0% | 17% | 53% | 756 mm Hg | SSE 151° 7.19 (8.28) m/s | 9.1 |
| 14:00 | Sunny | 31 °C | 0% | 15% | 55% | 755 mm Hg | SSE 147° 8.31 (9.56) m/s | 5.2 |
| 15:00 | Sunny | 30 °C | 0% | 10% | 60% | 755 mm Hg | SSE 148° 9.39 (11.03) m/s | 3.4 |
| 16:00 | Sunny | 29 °C | 0% | 5% | 66% | 755 mm Hg | SSE 150° 10.19 (12.61) m/s | 1.3 |
| 17:00 | Patchy rain possible | 28 °C | 100% (0.16 mm/hr) | 89% | 71% | 755 mm Hg | SE 136° 7.19 (9.44) m/s | 0.2 |
| 18:00 | Patchy rain possible | 28 °C | 63% (0.03 mm/hr) | 71% | 75% | 755 mm Hg | SE 139° 6.11 (8.39) m/s | 0 |
| 19:00 |  Moderate or heavy rain with thunder | 27 °C | 100% (2.59 mm/hr) | 80% | 78% | 757 mm Hg | SE 135° 2.11 (2.92) m/s | 0 |
| 20:00 |  Patchy light rain with thunder | 27 °C | 100% (0.45 mm/hr) | 77% | 78% | 758 mm Hg | E 89° 3.5 (5.67) m/s | 0 |
| 21:00 |  Thundery outbreaks possible | 27 °C | 0% | 32% | 77% | 758 mm Hg | SE 137° 4.5 (7.03) m/s | 0 |
| 22:00 | Thundery outbreaks possible | 28 °C | 0% | 31% | 78% | 758 mm Hg | SSE 168° 6.5 (10.14) m/s | 0 |
| 23:00 | Thundery outbreaks possible | 28 °C | 0% | 25% | 79% | 758 mm Hg | S 172° 6.89 (10.67) 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.