5-day weather forecast Hong Kong Sep 18, 2026
28°Weather forecast Hong Kong Friday Sep 18, 2026: sunny, temperature from 26 °C to 28 °C.
Precipitation probability 13%. Wind up to 8.19 m/s (gusts 9.92 m/s). Air humidity 68–83%, atmospheric pressure 759–761 mm Hg, UV index up to 7.
5 days at a glance — tap a day to open it
Sunrise 06:11
Sunset 18:23
Sunset 18:23
First Quarter53% illuminated
Moonrise 12:52 · Moonset 23:32
Moonrise 12:52 · Moonset 23:32
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 26 °C | 11% | 29% | 78% | 760 mm Hg | ENE 76° 7.11 (9) m/s | 0 |
| 01:00 | Partly cloudy | 26 °C | 13% | 49% | 79% | 760 mm Hg | ENE 76° 7.31 (9.19) m/s | 0 |
| 02:00 |  Clear | 26 °C | 10% | 16% | 80% | 760 mm Hg | ENE 73° 7.39 (9.11) m/s | 0 |
| 03:00 | Clear | 26 °C | 10% | 12% | 81% | 759 mm Hg | ENE 71° 7.5 (9.11) m/s | 0 |
| 04:00 | Clear | 26 °C | 11% | 17% | 82% | 759 mm Hg | ENE 70° 7.81 (9.22) m/s | 0 |
| 05:00 | Clear | 26 °C | 11% | 17% | 82% | 760 mm Hg | ENE 70° 7.81 (9.31) m/s | 0 |
| 06:00 | Clear | 26 °C | 11% | 22% | 82% | 760 mm Hg | ENE 69° 7.89 (9.53) m/s | 0 |
| 07:00 |  Partly cloudy | 26 °C | 12% | 27% | 81% | 761 mm Hg | ENE 66° 8 (9.69) m/s | 7 |
| 08:00 | Sunny | 26 °C | 10% | 24% | 78% | 761 mm Hg | ENE 66° 8.19 (9.5) m/s | 7 |
| 09:00 | Sunny | 27 °C | 7% | 5% | 74% | 761 mm Hg | ENE 66° 8.11 (9.22) m/s | 7 |
| 10:00 | Sunny | 27 °C | 6% | 5% | 70% | 761 mm Hg | ENE 68° 8 (9.31) m/s | 7 |
| 11:00 | Sunny | 27 °C | 5% | 3% | 68% | 761 mm Hg | ENE 70° 7.69 (9.72) m/s | 7 |
| 12:00 | Sunny | 28 °C | 5% | 3% | 68% | 761 mm Hg | ENE 71° 7.5 (9.69) m/s | 7 |
| 13:00 | Sunny | 28 °C | 5% | 3% | 68% | 761 mm Hg | ENE 75° 7.39 (9.53) m/s | 7 |
| 14:00 | Sunny | 28 °C | 5% | 3% | 69% | 760 mm Hg | E 81° 7.11 (9.39) m/s | 7 |
| 15:00 | Sunny | 28 °C | 5% | 1% | 69% | 759 mm Hg | E 85° 6.89 (9) m/s | 7 |
| 16:00 | Sunny | 28 °C | 6% | 0% | 71% | 759 mm Hg | E 88° 6.61 (8.81) m/s | 7 |
| 17:00 | Sunny | 28 °C | 7% | 0% | 74% | 759 mm Hg | E 88° 6.5 (8.83) m/s | 7 |
| 18:00 | Sunny | 27 °C | 8% | 0% | 77% | 760 mm Hg | E 84° 6.39 (9.03) m/s | 7 |
| 19:00 | Clear | 27 °C | 8% | 0% | 78% | 760 mm Hg | E 81° 6.61 (9.31) m/s | 0 |
| 20:00 | Clear | 27 °C | 9% | 0% | 80% | 760 mm Hg | E 80° 6.81 (9.92) m/s | 0 |
| 21:00 | Clear | 27 °C | 9% | 0% | 81% | 761 mm Hg | E 80° 6.89 (9.89) m/s | 0 |
| 22:00 | Clear | 27 °C | 10% | 1% | 83% | 761 mm Hg | E 79° 6.81 (9.69) m/s | 0 |
| 23:00 |  Smoky haze | 27 °C | 10% | 2% | 83% | 761 mm Hg | ENE 78° 6.5 (9.31) 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.