5-day weather forecast Chennai 25-07-2026
Weather forecast Chennai tomorrow 25.07.2026: partly cloudy, temperature from 29 °C to 33 °C.
Precipitation probability 24%. Wind up to 7.31 m/s (gusts 10.42 m/s). Air humidity 49–77%, atmospheric pressure 753–757 mm Hg, UV index up to 10.5.
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Lightning
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5 days at a glance — tap a day to open it
Sunrise 05:52
Sunset 18:38
Sunset 18:38
Waxing Gibbous90% illuminated
Moonrise 15:38 · Moonset 02:13
Moonrise 15:38 · Moonset 02:13
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 30 °C | 15% | 90% | 68% | 755 mm Hg | SSW 199° 5.81 (8.47) m/s | 0 |
| 01:00 |  Partly cloudy | 29 °C | 8% | 44% | 68% | 755 mm Hg | SSW 203° 6.81 (9.67) m/s | 0 |
| 02:00 |  Clear | 29 °C | 6% | 19% | 68% | 755 mm Hg | SW 216° 6.81 (9.92) m/s | 0 |
| 03:00 | Clear | 29 °C | 6% | 21% | 67% | 755 mm Hg | SW 214° 6.19 (9.03) m/s | 0 |
| 04:00 |  Patchy rain possible | 29 °C | 21% (0.1 mm/hr) | 84% | 68% | 755 mm Hg | SW 216° 5.61 (8.47) m/s | 0 |
| 05:00 | Patchy rain possible | 29 °C | 13% (0.01 mm/hr) | 77% | 68% | 755 mm Hg | SW 218° 4.89 (7.56) m/s | 0 |
| 06:00 |  Sunny | 29 °C | 6% | 19% | 69% | 755 mm Hg | SW 215° 4.5 (6.83) m/s | 0.2 |
| 07:00 |  Patchy rain possible | 30 °C | 13% (0.01 mm/hr) | 78% | 65% | 756 mm Hg | SW 222° 4.5 (6.17) m/s | 1.1 |
| 08:00 | Sunny | 31 °C | 4% | 22% | 60% | 756 mm Hg | SW 230° 4.11 (5.39) m/s | 3 |
| 09:00 | Sunny | 32 °C | 3% | 23% | 53% | 757 mm Hg | SW 231° 3.19 (4.17) m/s | 5.8 |
| 10:00 | Sunny | 33 °C | 2% | 20% | 49% | 756 mm Hg | SW 216° 2.31 (3.06) m/s | 8.1 |
| 11:00 |  Partly cloudy | 33 °C | 3% | 25% | 50% | 755 mm Hg | S 188° 2.5 (3.28) m/s | 10 |
| 12:00 | Partly cloudy | 33 °C | 4% | 45% | 50% | 755 mm Hg | S 172° 3.11 (4.03) m/s | 10.5 |
| 13:00 | Partly cloudy | 33 °C | 5% | 50% | 51% | 754 mm Hg | SSE 149° 4.39 (5.58) m/s | 9.2 |
| 14:00 | Partly cloudy | 33 °C | 5% | 47% | 54% | 753 mm Hg | SE 134° 6.5 (8.56) m/s | 6.3 |
| 15:00 | Partly cloudy | 31 °C | 7% | 45% | 62% | 753 mm Hg | SE 135° 7 (9.58) m/s | 3.6 |
| 16:00 |  Cloudy | 31 °C | 12% | 76% | 66% | 753 mm Hg | SE 143° 7.31 (10.42) m/s | 1.1 |
| 17:00 | Cloudy | 30 °C | 14% | 87% | 67% | 754 mm Hg | SE 146° 6.81 (9.83) m/s | 0.3 |
| 18:00 | Cloudy | 30 °C | 13% | 71% | 72% | 754 mm Hg | SSE 147° 6.81 (9.86) m/s | 0 |
| 19:00 |  Thundery outbreaks possible | 30 °C | 13% | 60% | 73% | 755 mm Hg | SSE 153° 6.69 (9.5) m/s | 0 |
| 20:00 | Thundery outbreaks possible | 30 °C | 11% | 45% | 75% | 755 mm Hg | SSE 157° 6.69 (9.47) m/s | 0 |
| 21:00 | Thundery outbreaks possible | 29 °C | 12% | 45% | 77% | 756 mm Hg | S 169° 6.31 (8.81) m/s | 0 |
| 22:00 | Thundery outbreaks possible | 29 °C | 22% (0.04 mm/hr) | 87% | 75% | 756 mm Hg | SSW 194° 5.19 (7.42) m/s | 0 |
| 23:00 | Patchy rain possible | 30 °C | 24% (0.1 mm/hr) | 89% | 71% | 756 mm Hg | SW 216° 4.5 (6.44) 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.