5-day weather forecast Hong Kong 27-08-2026

Weather forecast Hong Kong tomorrow 27.08.2026: patchy rain possible, temperature from 27 °C to 29 °C.

Precipitation probability 71%. Wind up to 5.5 m/s (gusts 8.11 m/s). Air humidity 76–86%, atmospheric pressure 751–754 mm Hg, UV index up to 11.6.

Sunrise 06:04
Sunset 18:45
Full Moon100% illuminated
Moonrise 18:23 · Moonset 05:14
Chart
Table

Forecast from 27 °C to 29 °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)282827272728282828282829292929292929292828282828
Precipitation (mm/hr)1.120.370.070.260.120.250.240.220.320.190.10.160.140.030.110.020.0200.010.0100.0500.03

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 (%)100919783928910010010010089828910099985491849181100100100
Rain chance (%)714832403440424043362931312431231521212421312629

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)5.52.692.612.692.52.111.8922.694.114.8954.894.613.893.613.893.812.611.891.611.111.51.81
Wind gust (m/s)8.114.253.643.723.332.642.222.53.925.316.116.56.115.614.53.924.034.223.032.332.031.331.612.03
Wind direction (°)SSW 207°SSE 161°SSE 153°SSE 153°SSE 155°SSE 149°SE 139°SE 139°SSE 159°S 175°S 190°SSW 201°SSW 209°SSW 211°SSW 204°SSW 194°SSW 194°SSW 205°SSW 196°S 177°S 185°SSW 198°SW 221°SW 231°

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 (%)868484858483828178787978787776777879818284858485

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)753753753752752752753753754754754753753752752752751751751752752752753752

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 Index00000000.41.64.17.210.111.611.69.56.53.41.20.200000

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)20.416.91513.710.61111.816.917.915.513.71312.313.614.213.312.814.120.425.128.835.438.437.4
PM10 (µg/m³)22.919.417.216.212.813.414.118.919.516.915.214.71415.216.215.415.11723.328.231.938.541.640.4
Ozone (O₃) (µg/m³)233240475253453328375366727474737063493017131417
NO₂ (µg/m³)64.25343.536.130.429.236.84955.751.141.133.63232.934.334.735.539.850.965.475.677.975.772.2
SO₂ (µg/m³)26.423.321.220.821.322.323.625.326.928.329.631.133.135.236.335.533.732.432.332.632.933.333.632.8
CO (µg/m³)192165147136133148197263304295260228207188179180190213263324358340293249

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.