5-day weather forecast Beijing Sep 17, 2026

31°21° · Smoky haze

Weather forecast Beijing tomorrow Sep 17, 2026: smoky haze, temperature from 21 °C to 31 °C.

Precipitation probability 17%. Wind up to 2.89 m/s (gusts 7.64 m/s). Air humidity 27–68%, atmospheric pressure 760–764 mm Hg, UV index up to 4.6.

Sunrise 05:57
Sunset 18:20
First Quarter42% illuminated
Moonrise 12:41 · Moonset 21:34
Chart
Table

Forecast from 21 °C to 31 °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)232222222121212122242628293031313130282727252323
Precipitation (mm/hr)000000000000000000000000

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 (%)901009310010010010010098981007983100981009910010010075555
Rain chance (%)1315131516161716141211771099999107124

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)1.811.391.311.811.611.311.511.111.51.812.392.312.312.392.312.692.692.3921.52.612.892.5
Wind gust (m/s)2.893.331.693.143.422.832.921.811.612.422.612.612.532.332.52.722.725.694.334.421.55.427.647.11
Wind direction (°)NNE 27°SE 135°NE 37°NE 40°NE 40°NE 34°NNE 28°NNE 32°ENE 70°E 95°ESE 103°ESE 111°SE 128°SE 132°SE 146°SSE 151°SSE 159°SSE 164°SSE 166°S 189°S 186°ESE 121°ESE 118°ESE 113°

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 (%)606160636566686560524643393532292728344043455364

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)760761761761761761761761762762762762762761761761761761761761762762763764

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 Index00000000.10.61.62.73.94.64.43.42.31.10.4000000

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)136.9140.6136.4127.6121.5120.1125.3140.6129.596.675.257.642.131.224.720.720.222.829.837.645.457.27593.6
PM10 (µg/m³)139.7143.4138.8130.4124.3123.9129143.4131.899.778.760.544.73429.228.330.333.940.448.456.668.988.2107.3
Ozone (O₃) (µg/m³)0000000031328446281951041081038149241140
NO₂ (µg/m³)133.8126118.3110.8103.496.589.983.879.579.280.678.970.458.749.342.137.340.357.582.5102.3111.7115.8116.6
SO₂ (µg/m³)21.319.818.517.516.616.116.216.616.816.616.215.11310.286.55.55.36.27.99.611.413.214.4
CO (µg/m³)10801037980876757722851106312111236119811251011862733628542515588720828883914926

Beijing 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.