5-day weather forecast Hong Kong 28-08-2026

Weather forecast Hong Kong Friday, August 28 28.08.2026: light rain shower, temperature from 27 °C to 29 °C.

Precipitation probability 76%. Wind up to 5.81 m/s (gusts 6.92 m/s). Air humidity 76–87%, atmospheric pressure 748–752 mm Hg, UV index up to 8.5.

Sunrise 06:05
Sunset 18:44
Full Moon98% illuminated
Moonrise 18:54 · Moonset 06:05
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)282828282828272828282929292929292929292929292929
Precipitation (mm/hr)0.530.05000.050.111.450.280.2500000000000.081.150.850.422.04

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 (%)100100100100100100100100100100100100100100238485857991006698100
Rain chance (%)5932272833397446422322212121919915173370565176

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)2.393.113.3132.612.1922.52.692.692.893.54.615.55.815.615.115.395.194.894.814.695.114.69
Wind gust (m/s)3.144.034.424.143.693.032.313.223.723.723.724.115.226.426.836.926.56.616.116.426.336.146.426.22
Wind direction (°)WSW 243°WSW 241°WSW 245°WSW 248°WSW 250°WSW 256°W 261°W 274°W 275°W 270°W 264°W 266°W 262°W 260°WSW 254°WSW 251°WSW 250°WSW 246°WSW 244°WSW 248°WSW 249°WSW 251°WSW 254°W 262°

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 (%)858686878787878583807876777677787981848484838284

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)752752752751751751751751751752751751750749749749748748749749749749749749

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 Index00000000.31.43.368.28.56.76.35.32.60.60.100000

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)33.325.622.116.51311.814.722.820.818.612.612.71415.415.815.715.417.522.234.342.833.328.731.9
PM10 (µg/m³)36.328.224.518.514.713.516.424.322.620.713.913.214.315.6161616.118.323.535.644.234.830.233.3
Ozone (O₃) (µg/m³)212731323130282629415774921101191139880593619141516
NO₂ (µg/m³)67.461.255.851.648.146.64953.354.348.639.632.629.127.629.234.643.15365.980.389.689.985.281
SO₂ (µg/m³)3026.22320.418.419.125.133.939.639.135.632.831.931.732.234.236.938.236.633.631.130.129.629.2
CO (µg/m³)215183166165178214299405460414316238207195190187191202226256273265243221

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.