5-day weather forecast Chengdu 18-08-2026
Weather forecast Chengdu Tuesday, August 18 18.08.2026: cloudy, temperature from 21 °C to 28 °C.
Precipitation probability 66%. Wind up to 3.11 m/s (gusts 5.42 m/s). Air humidity 65–95%, atmospheric pressure 755–758 mm Hg, UV index up to 5.6.
Weather Alerts
Hide alerts汇川区气象台发布雷电黄色预警[Ⅲ/较重]
雷电
汇川区气象台2026年08月14日01时20分发布雷电黄色预警信号：预计未来6小时我区板桥、泗渡、沙湾、高坪等镇（街道）将出现雷雨天气，雷雨中可能伴有短时强降水、大风等强对流天气，请注意防范。
汇川区气象台发布雷电黄色预警[Ⅲ/较重]
雷电
汇川区气象台2026年08月14日11时06分发布雷电黄色预警信号：预计未来6小时我区板桥、泗渡、沙湾、高坪等镇（街道）将出现分散雷雨天气，雷雨中可能伴有短时强降水、大风等强对流天气，建议停止高空作业和户外作业，请相关行业和个人注意防范。
5 days at a glance — tap a day to open it
Sunrise 06:32
Sunset 19:42
Sunset 19:42
First Quarter37% illuminated
Moonrise 12:06 · Moonset 22:53
Moonrise 12:06 · Moonset 22:53
Chart
Table
Tue, Aug 18, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 22 °C | 41% (0.21 mm/hr) | 81% | 90% | 757 mm Hg | SSW 205° 0.5 (0.86) m/s | 0 |
| 01:00 | Light rain shower | 22 °C | 48% (0.23 mm/hr) | 100% | 92% | 756 mm Hg | W 268° 0.5 (0.86) m/s | 0 |
| 02:00 |  Patchy rain possible | 22 °C | 42% (0.19 mm/hr) | 84% | 92% | 756 mm Hg | W 281° 0.5 (0.86) m/s | 0 |
| 03:00 | Patchy rain possible | 22 °C | 39% (0.14 mm/hr) | 81% | 92% | 756 mm Hg | WNW 283° 0.81 (1.36) m/s | 0 |
| 04:00 | Patchy rain possible | 22 °C | 34% (0.09 mm/hr) | 72% | 93% | 756 mm Hg | WNW 289° 1.39 (2.39) m/s | 0 |
| 05:00 | Light rain shower | 22 °C | 34% (0.16 mm/hr) | 53% | 94% | 756 mm Hg | WNW 293° 1.61 (2.69) m/s | 0 |
| 06:00 |  Mist | 22 °C | 43% (0.14 mm/hr) | 70% | 94% | 756 mm Hg | NW 307° 1.5 (2.5) m/s | 0 |
| 07:00 |  Light rain shower | 22 °C | 44% (0.25 mm/hr) | 73% | 95% | 757 mm Hg | WNW 301° 1.11 (1.83) m/s | 0.1 |
| 08:00 |  Patchy light drizzle | 22 °C | 57% (0.44 mm/hr) | 74% | 95% | 757 mm Hg | WNW 296° 1.39 (2.31) m/s | 0.4 |
| 09:00 |  Partly cloudy | 23 °C | 15% | 47% | 83% | 758 mm Hg | SW 216° 2.5 (3.25) m/s | 1.1 |
| 10:00 |  Cloudy | 25 °C | 19% | 85% | 78% | 758 mm Hg | SSW 206° 2.81 (3.33) m/s | 2.9 |
| 11:00 |  Light rain | 22 °C | 66% (0.76 mm/hr) | 81% | 95% | 758 mm Hg | W 261° 2.39 (3.75) m/s | 3.9 |
| 12:00 | Cloudy | 26 °C | 15% | 68% | 75% | 758 mm Hg | SSW 202° 3.11 (3.64) m/s | 4.7 |
| 13:00 | Partly cloudy | 26 °C | 12% | 53% | 75% | 758 mm Hg | SSW 199° 3 (3.56) m/s | 4.6 |
| 14:00 |  Patchy rain possible | 22 °C | 36% (0.15 mm/hr) | 66% | 94% | 758 mm Hg | W 259° 2.5 (4.22) m/s | 5.6 |
| 15:00 |  Sunny | 28 °C | 6% | 22% | 68% | 756 mm Hg | S 185° 2.89 (3.33) m/s | 5.3 |
| 16:00 | Sunny | 28 °C | 5% | 18% | 65% | 755 mm Hg | S 187° 3 (3.44) m/s | 4 |
| 17:00 |  Overcast | 22 °C | 26% | 90% | 88% | 757 mm Hg | SW 236° 2.61 (4.75) m/s | 2 |
| 18:00 | Sunny | 27 °C | 7% | 24% | 70% | 755 mm Hg | SSW 193° 2.89 (3.72) m/s | 0.7 |
| 19:00 | Partly cloudy | 25 °C | 11% | 32% | 78% | 755 mm Hg | S 189° 2.81 (4.31) m/s | 0.1 |
| 20:00 | Smoky haze | 21 °C | 28% | 97% | 89% | 757 mm Hg | SSW 208° 2.81 (5.42) m/s | 0 |
| 21:00 |  Cloudy | 21 °C | 26% | 91% | 88% | 758 mm Hg | SSW 207° 2.61 (5.11) m/s | 0 |
| 22:00 |  Overcast | 22 °C | 25% | 85% | 87% | 758 mm Hg | SSW 206° 2.39 (4.81) m/s | 0 |
| 23:00 | Cloudy | 22 °C | 23% | 79% | 86% | 758 mm Hg | SSW 205° 2.19 (4.5) m/s | 0 |
Tue, Aug 18, 2026
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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.