5-day weather forecast Hong Kong Sep 16, 2026

28°26° · Sunny

Weather forecast Hong Kong tomorrow Sep 16, 2026: sunny, temperature from 26 °C to 28 °C.

Precipitation probability 42%. Wind up to 8.81 m/s (gusts 11.69 m/s). Air humidity 73–84%, atmospheric pressure 759–761 mm Hg, UV index up to 10.2.

Sunrise 06:10
Sunset 18:25
First Quarter32% illuminated
Moonrise 10:56 · Moonset 21:50
Chart
Table

Forecast from 26 °C to 28 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)272626262626262627272727282727272727272626262626
Precipitation (mm/hr)00.340.12000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)5768115262814672011775812913645794100100100100
Rain chance (%)10423211111098887157788915152223232222

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)7.57.818.618.618.818.58.318.58.398.58.197.817.897.697.317.116.816.56.396.696.897.117.317.39
Wind gust (m/s)10.9211.0311.6111.511.6911.5311.1411.1110.9210.4210.039.229.148.617.927.617.427.037.117.57.898.038.318.39
Wind direction (°)ENE 74°ENE 72°ENE 74°ENE 72°ENE 75°ENE 71°ENE 72°ENE 75°E 79°E 80°E 84°E 84°E 86°E 87°E 88°E 90°E 92°E 89°E 87°E 86°E 84°E 82°E 82°E 81°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)828484838178777877757473747576777778798080797878

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)761760760760759760760761761761761761761760759759759759759759759760761760

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.21.23.268.610.2108.15.42.70.90.100000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)28.523.721.12020.421.825.231.833.133.534.735.234.333.432.531.531.332.534.937.638.236.133.330.2
PM10 (µg/m³)33.428.425.724.424.826.129.636.238.940.542.543.442.44139.638.53941.744.146.446.343.940.637.3
Ozone (O₃) (µg/m³)85981061081051019485851011261471611721741651491291037454505562
NO₂ (µg/m³)56.442.131.927.326.828.935.24448.444.135.328.324.522.423.327.935.545.862.581.892.888.976.764.2
SO₂ (µg/m³)33.829.726.725.525.526.529.132.735.33635.635.435.535.736.237.338.74041.342.542.540.637.534.5
CO (µg/m³)228217212211216225242264278277269266279297303284253235249277288267229195

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.