5-day weather forecast Chengdu Oct 18, 2026
21°Weather forecast Chengdu Sunday Oct 18, 2026: overcast, temperature from 18 °C to 21 °C.
Precipitation probability 34%. Wind up to 4.11 m/s (gusts 8.31 m/s). Air humidity 50–72%, atmospheric pressure 760–764 mm Hg, UV index up to 3.8.
5 days at a glance — tap a day to open it
Sunrise 07:08
Sunset 18:29
Sunset 18:29
First Quarter58% illuminated
Moonrise 14:09 · Moonset does not set today
Moonrise 14:09 · Moonset does not set today
Chart
Table
Sun, Oct 18, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 21 °C | 29% (0.13 mm/hr) | 100% | 72% | 763 mm Hg | N 356° 2.11 (4.81) m/s | 0 |
| 01:00 | Patchy rain possible | 20 °C | 21% (0.06 mm/hr) | 100% | 65% | 763 mm Hg | NNE 20° 4.11 (8.31) m/s | 0 |
| 02:00 | Patchy rain possible | 19 °C | 17% (0.02 mm/hr) | 100% | 65% | 762 mm Hg | NNE 23° 2.61 (5.64) m/s | 0 |
| 03:00 | Patchy rain possible | 19 °C | 22% (0.08 mm/hr) | 100% | 64% | 762 mm Hg | W 264° 0.89 (3.89) m/s | 0 |
| 04:00 | Patchy rain possible | 19 °C | 18% (0.02 mm/hr) | 100% | 68% | 762 mm Hg | WSW 244° 2.39 (3.39) m/s | 0 |
| 05:00 | Patchy rain possible | 19 °C | 19% (0.01 mm/hr) | 100% | 70% | 761 mm Hg | WSW 255° 3.39 (5.5) m/s | 0 |
| 06:00 | Patchy rain possible | 19 °C | 24% (0.07 mm/hr) | 100% | 70% | 762 mm Hg | WSW 250° 3.11 (5.69) m/s | 0 |
| 07:00 | Patchy rain possible | 19 °C | 20% (0.02 mm/hr) | 100% | 70% | 763 mm Hg | WSW 239° 3 (4.72) m/s | 0 |
| 08:00 |  Light drizzle | 19 °C | 34% (0.17 mm/hr) | 100% | 68% | 763 mm Hg | SW 232° 3.31 (4.5) m/s | 0 |
| 09:00 |  Patchy rain possible | 18 °C | 20% (0.03 mm/hr) | 100% | 70% | 764 mm Hg | SW 229° 2.69 (3.72) m/s | 0.2 |
| 10:00 | Patchy rain possible | 19 °C | 17% (0.01 mm/hr) | 100% | 66% | 764 mm Hg | WSW 248° 2.61 (3.61) m/s | 0.6 |
| 11:00 | Patchy rain possible | 19 °C | 16% (0.01 mm/hr) | 100% | 65% | 763 mm Hg | WSW 251° 2.31 (3) m/s | 0.9 |
| 12:00 | Overcast | 19 °C | 15% | 100% | 62% | 763 mm Hg | W 271° 1.5 (2) m/s | 2.1 |
| 13:00 | Overcast | 20 °C | 13% | 100% | 56% | 762 mm Hg | WSW 251° 0.81 (0.94) m/s | 2.8 |
| 14:00 | Overcast | 20 °C | 13% | 100% | 54% | 761 mm Hg | S 171° 0.89 (4.89) m/s | 3.8 |
| 15:00 | Overcast | 21 °C | 11% | 92% | 52% | 761 mm Hg | SSE 164° 1.31 (6.31) m/s | 2.5 |
| 16:00 | Overcast | 21 °C | 11% | 96% | 50% | 760 mm Hg | SE 144° 1.11 (1.31) m/s | 1.6 |
| 17:00 | Overcast | 21 °C | 12% | 98% | 50% | 760 mm Hg | E 99° 0.89 (1.61) m/s | 0.9 |
| 18:00 | Overcast | 21 °C | 13% | 100% | 54% | 761 mm Hg | E 90° 1.61 (2.11) m/s | 0.2 |
| 19:00 |  Overcast | 20 °C | 13% | 100% | 57% | 761 mm Hg | ESE 102° 2.31 (3.19) m/s | 0 |
| 20:00 |  Smoky haze | 19 °C | 14% | 100% | 57% | 761 mm Hg | ESE 114° 2.61 (3.61) m/s | 0 |
| 21:00 | Overcast | 19 °C | 13% | 100% | 57% | 761 mm Hg | ESE 117° 2.19 (3.03) m/s | 0 |
| 22:00 | Overcast | 19 °C | 13% | 100% | 56% | 762 mm Hg | E 100° 1.69 (2.31) m/s | 0 |
| 23:00 | Overcast | 18 °C | 13% | 100% | 56% | 761 mm Hg | ENE 68° 1.61 (2) m/s | 0 |
Sun, Oct 18, 2026
Chengdu 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.