5-day weather forecast Hong Kong Sep 20, 2026
28°Weather forecast Hong Kong Sunday Sep 20, 2026: sunny, temperature from 26 °C to 28 °C.
Precipitation probability 20%. Wind up to 4.11 m/s (gusts 7.5 m/s). Air humidity 71–82%, atmospheric pressure 759–762 mm Hg, UV index up to 7.
5 days at a glance — tap a day to open it
Sunrise 06:11
Sunset 18:21
Sunset 18:21
Waxing Gibbous73% illuminated
Moonrise 14:30 · Moonset 00:26
Moonrise 14:30 · Moonset 00:26
Chart
Table
Sun, Sep 20, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 27 °C | 8% | 1% | 76% | 761 mm Hg | E 79° 4.11 (5) m/s | 0 |
| 01:00 | Clear | 27 °C | 8% | 5% | 77% | 761 mm Hg | ENE 78° 3.61 (4.22) m/s | 0 |
| 02:00 | Clear | 27 °C | 8% | 5% | 78% | 761 mm Hg | ENE 71° 3.31 (3.81) m/s | 0 |
| 03:00 | Clear | 26 °C | 9% | 5% | 79% | 761 mm Hg | ENE 66° 2.89 (3.22) m/s | 0 |
| 04:00 | Clear | 26 °C | 9% | 4% | 80% | 761 mm Hg | ENE 59° 2.61 (2.92) m/s | 0 |
| 05:00 | Clear | 26 °C | 11% | 18% | 81% | 761 mm Hg | NE 52° 2.39 (2.53) m/s | 0 |
| 06:00 |  Partly cloudy | 26 °C | 12% | 31% | 82% | 761 mm Hg | NE 49° 2.11 (2.31) m/s | 0 |
| 07:00 |  Partly cloudy | 26 °C | 12% | 31% | 81% | 761 mm Hg | NE 40° 1.89 (1.92) m/s | 7 |
| 08:00 | Partly cloudy | 27 °C | 13% | 46% | 79% | 762 mm Hg | NE 34° 1.89 (2.11) m/s | 7 |
| 09:00 |  Patchy rain possible | 28 °C | 19% (0.04 mm/hr) | 73% | 76% | 762 mm Hg | NE 38° 1.5 (1.92) m/s | 6 |
| 10:00 | Patchy rain possible | 28 °C | 19% (0.03 mm/hr) | 84% | 75% | 762 mm Hg | E 79° 1.81 (2.19) m/s | 6 |
| 11:00 | Patchy rain possible | 28 °C | 16% (0.05 mm/hr) | 59% | 76% | 761 mm Hg | E 100° 2.39 (2.42) m/s | 6 |
| 12:00 | Patchy rain possible | 28 °C | 20% (0.04 mm/hr) | 80% | 76% | 761 mm Hg | ESE 110° 2.5 (7.5) m/s | 6 |
| 13:00 | Patchy rain possible | 28 °C | 19% (0.01 mm/hr) | 87% | 76% | 761 mm Hg | ESE 117° 2.69 (5.69) m/s | 6 |
| 14:00 | Patchy rain possible | 28 °C | 19% (0.03 mm/hr) | 84% | 73% | 760 mm Hg | ESE 120° 3 (6) m/s | 6 |
| 15:00 | Sunny | 28 °C | 12% | 61% | 72% | 759 mm Hg | ESE 120° 3.19 (6.5) m/s | 7 |
| 16:00 | Patchy rain possible | 28 °C | 9% | 38% | 72% | 759 mm Hg | ESE 120° 3.31 (7) m/s | 6 |
| 17:00 | Sunny | 28 °C | 7% | 16% | 71% | 759 mm Hg | ESE 119° 3.5 (7.5) m/s | 7 |
| 18:00 | Sunny | 28 °C | 7% | 10% | 74% | 759 mm Hg | ESE 120° 3.5 (6.31) m/s | 7 |
| 19:00 | Clear | 27 °C | 8% | 5% | 76% | 759 mm Hg | ESE 120° 3.5 (5) m/s | 0 |
| 20:00 | Clear | 27 °C | 8% | 0% | 78% | 759 mm Hg | ESE 120° 3.5 (3.81) m/s | 0 |
| 21:00 | Clear | 27 °C | 9% | 2% | 79% | 760 mm Hg | ESE 118° 3.19 (3.5) m/s | 0 |
| 22:00 | Clear | 27 °C | 9% | 3% | 80% | 760 mm Hg | ESE 115° 2.81 (3.19) m/s | 0 |
| 23:00 | Clear | 27 °C | 9% | 5% | 80% | 760 mm Hg | ESE 113° 2.5 (2.94) m/s | 0 |
Sun, Sep 20, 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.