5-day weather forecast Hong Kong 20-05-2026
Weather forecast Hong Kong Wednesday, May 20 20.05.2026: patchy rain possible, temperature from 25 °C to 28 °C.
Precipitation probability 78%. Wind up to 4.19 m/s (gusts 5.61 m/s). Air humidity 72–91%, atmospheric pressure 755–758 mm Hg, UV index up to 12.2.
Sunrise 05:42
Sunset 18:58
Sunset 18:58
Waxing Crescent15% illuminated
Moonrise 08:49 · Moonset 22:54
Moonrise 08:49 · Moonset 22:54
Chart
Table
Wed, May 20, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 25 °C | 0% | 28% | 90% | 757 mm Hg | ENE 78° 3.81 (5.58) m/s | 0 |
| 01:00 | Partly cloudy | 25 °C | 0% | 37% | 90% | 757 mm Hg | E 81° 3.69 (5.39) m/s | 0 |
| 02:00 |  Patchy rain possible | 25 °C | 78% (0.03 mm/hr) | 80% | 91% | 756 mm Hg | ENE 78° 3.39 (5) m/s | 0 |
| 03:00 | Patchy rain possible | 25 °C | 85% (0.03 mm/hr) | 82% | 91% | 756 mm Hg | E 89° 3.31 (4.83) m/s | 0 |
| 04:00 | Patchy rain possible | 25 °C | 78% (0.04 mm/hr) | 78% | 91% | 756 mm Hg | E 95° 3 (4.44) m/s | 0 |
| 05:00 | Patchy rain possible | 25 °C | 83% (0.04 mm/hr) | 81% | 90% | 756 mm Hg | ESE 102° 2.89 (4.33) m/s | 0 |
| 06:00 |  Patchy rain possible | 25 °C | 100% (0.05 mm/hr) | 78% | 91% | 757 mm Hg | ESE 107° 2.61 (3.86) m/s | 0 |
| 07:00 | Patchy rain possible | 26 °C | 85% (0.02 mm/hr) | 87% | 89% | 757 mm Hg | ESE 110° 2.61 (3.58) m/s | 0.5 |
| 08:00 | Patchy rain possible | 26 °C | 75% (0.02 mm/hr) | 76% | 86% | 758 mm Hg | ESE 116° 2.81 (3.67) m/s | 2 |
| 09:00 |  Light rain shower | 27 °C | 100% (0.34 mm/hr) | 70% | 84% | 758 mm Hg | ESE 123° 3.19 (4.47) m/s | 4.6 |
| 10:00 | Patchy rain possible | 27 °C | 100% (0.28 mm/hr) | 72% | 79% | 758 mm Hg | SE 133° 3.39 (4.53) m/s | 7.8 |
| 11:00 |  Sunny | 28 °C | 0% | 12% | 79% | 757 mm Hg | SE 144° 3.81 (4.64) m/s | 10.8 |
| 12:00 | Patchy rain possible | 28 °C | 100% (0.1 mm/hr) | 71% | 75% | 757 mm Hg | SSE 147° 4.11 (5.61) m/s | 12.2 |
| 13:00 | Patchy rain possible | 28 °C | 100% (0.11 mm/hr) | 68% | 74% | 756 mm Hg | SSE 155° 3.81 (5.39) m/s | 12 |
| 14:00 | Sunny | 28 °C | 0% | 7% | 74% | 756 mm Hg | SSE 157° 3.81 (4.5) m/s | 10.1 |
| 15:00 | Patchy rain possible | 28 °C | 100% (0.08 mm/hr) | 54% | 72% | 755 mm Hg | SSE 167° 4.19 (5.33) m/s | 6.8 |
| 16:00 | Patchy rain possible | 28 °C | 100% (0.08 mm/hr) | 73% | 72% | 755 mm Hg | SSE 168° 4 (5.11) m/s | 3.3 |
| 17:00 | Sunny | 28 °C | 0% | 24% | 74% | 755 mm Hg | SSE 153° 4 (5.11) m/s | 1.2 |
| 18:00 | Patchy rain possible | 28 °C | 100% (0.19 mm/hr) | 88% | 77% | 756 mm Hg | SSE 168° 3.61 (5.06) m/s | 0.3 |
| 19:00 |  Light rain shower | 27 °C | 100% (0.2 mm/hr) | 50% | 80% | 756 mm Hg | S 169° 3.31 (4.89) m/s | 0 |
| 20:00 | Partly cloudy | 26 °C | 0% | 35% | 86% | 757 mm Hg | SE 139° 2.81 (4.08) m/s | 0 |
| 21:00 | Patchy rain possible | 27 °C | 100% (0.05 mm/hr) | 78% | 82% | 757 mm Hg | SSE 164° 2.61 (3.89) m/s | 0 |
| 22:00 | Patchy rain possible | 27 °C | 63% (0.02 mm/hr) | 55% | 83% | 758 mm Hg | SSE 156° 2.19 (3.33) m/s | 0 |
| 23:00 |  Clear | 26 °C | 0% | 21% | 89% | 758 mm Hg | SE 127° 2.69 (3.97) m/s | 0 |
Wed, May 20, 2026
Hong Kong 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.