5-day weather forecast Hong Kong 20-05-2026
Weather forecast Hong Kong Wednesday, May 20 20.05.2026: patchy rain possible, temperature from 26 °C to 28 °C.
Precipitation probability 100%. Wind up to 4.31 m/s (gusts 5.67 m/s). Air humidity 73–88%, 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
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 26 °C | 100% (0.15 mm/hr) | 63% | 88% | 757 mm Hg | ESE 103° 3.11 (4.67) m/s | 0 |
| 01:00 | Patchy rain possible | 26 °C | 100% (0.14 mm/hr) | 90% | 88% | 756 mm Hg | ESE 109° 3.11 (4.72) m/s | 0 |
| 02:00 |  Light drizzle | 26 °C | 100% (0.25 mm/hr) | 100% | 88% | 756 mm Hg | ESE 107° 2.81 (4.28) m/s | 0 |
| 03:00 |  Light rain shower | 26 °C | 100% (0.29 mm/hr) | 100% | 87% | 755 mm Hg | ESE 110° 2.61 (3.94) m/s | 0 |
| 04:00 | Light rain shower | 26 °C | 100% (0.26 mm/hr) | 100% | 87% | 755 mm Hg | ESE 118° 2.39 (3.67) m/s | 0 |
| 05:00 | Light rain shower | 26 °C | 100% (0.31 mm/hr) | 100% | 86% | 756 mm Hg | SE 125° 2.39 (3.64) m/s | 0 |
| 06:00 |  Light rain shower | 26 °C | 100% (0.24 mm/hr) | 90% | 86% | 756 mm Hg | SE 134° 2.61 (3.94) m/s | 0 |
| 07:00 | Light rain shower | 26 °C | 100% (0.35 mm/hr) | 82% | 86% | 757 mm Hg | SE 137° 2.61 (3.92) m/s | 0.5 |
| 08:00 | Light rain shower | 26 °C | 100% (0.17 mm/hr) | 57% | 84% | 757 mm Hg | SE 137° 2.89 (4.25) m/s | 2 |
| 09:00 |  Patchy rain possible | 27 °C | 100% (0.16 mm/hr) | 76% | 81% | 757 mm Hg | SE 143° 2.81 (3.86) m/s | 4.6 |
| 10:00 | Patchy rain possible | 27 °C | 66% (0.02 mm/hr) | 86% | 78% | 758 mm Hg | SSE 148° 3 (3.92) m/s | 7.8 |
| 11:00 | Patchy rain possible | 28 °C | 89% (0.02 mm/hr) | 70% | 75% | 757 mm Hg | SSE 154° 3.19 (4.06) m/s | 10.8 |
| 12:00 | Patchy rain possible | 28 °C | 78% (0.04 mm/hr) | 73% | 74% | 757 mm Hg | SSE 157° 3.61 (4.42) m/s | 12.2 |
| 13:00 | Patchy rain possible | 28 °C | 82% (0.02 mm/hr) | 78% | 73% | 756 mm Hg | SSE 159° 3.89 (4.72) m/s | 12 |
| 14:00 | Patchy rain possible | 28 °C | 65% (0.04 mm/hr) | 89% | 73% | 755 mm Hg | SSE 166° 4 (4.89) m/s | 10.1 |
| 15:00 | Patchy rain possible | 28 °C | 100% (0.13 mm/hr) | 78% | 73% | 755 mm Hg | S 173° 3.81 (4.75) m/s | 6.8 |
| 16:00 | Patchy rain possible | 28 °C | 100% (0.07 mm/hr) | 71% | 73% | 755 mm Hg | S 181° 4 (5.17) m/s | 3.3 |
| 17:00 | Patchy rain possible | 28 °C | 100% (0.21 mm/hr) | 76% | 75% | 755 mm Hg | SSW 196° 4.31 (5.67) m/s | 1.2 |
| 18:00 | Light rain shower | 27 °C | 100% (0.4 mm/hr) | 54% | 79% | 756 mm Hg | SW 221° 4.11 (5.5) m/s | 0.3 |
| 19:00 | Light rain shower | 26 °C | 100% (0.24 mm/hr) | 66% | 83% | 756 mm Hg | WSW 245° 3 (4.14) m/s | 0 |
| 20:00 | Patchy rain possible | 26 °C | 75% (0.05 mm/hr) | 50% | 84% | 757 mm Hg | W 259° 2 (2.81) m/s | 0 |
| 21:00 |  Partly cloudy | 26 °C | 0% | 44% | 84% | 757 mm Hg | W 260° 0.81 (1.11) m/s | 0 |
| 22:00 | Partly cloudy | 26 °C | 0% | 38% | 85% | 757 mm Hg | SSE 151° 0.39 (0.58) m/s | 0 |
| 23:00 | Partly cloudy | 26 °C | 0% | 36% | 85% | 758 mm Hg | ESE 117° 1.11 (1.58) m/s | 0 |
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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.