5-day weather forecast Sydney Sep 30, 2026

20°14° · Sunny

Weather forecast Sydney tomorrow Sep 30, 2026: sunny, temperature from 14 °C to 20 °C.

Precipitation probability 20%. Wind up to 9.5 m/s (gusts 14.42 m/s). Air humidity 53–76%, atmospheric pressure 766–771 mm Hg, UV index up to 7.9.

Sunrise 05:33
Sunset 17:57
Waning Gibbous75% illuminated
Moonrise 21:44 · Moonset 07:03
Chart
Table

Forecast from 14 °C to 20 °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)161616161515141415171919181919202020191919191918
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 (%)10050000002002385132985232100100100100
Rain chance (%)1966666664323784518781020202019

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)5.394.814.8155.114.314.3943.53.813.6157.698.398.118.199.59.59.118.317.315.8943
Wind gust (m/s)8.57.57.197.037.035.8164.724.55.224.42812.6913.399.2210.512.3113.8914.4213.8312.319.225.223.39
Wind direction (°)NNW 337°NNW 347°N 0°N 356°N 350°NNW 345°NNW 342°NW 317°N 352°N 351°NNE 15°NE 47°NE 51°NE 52°NE 45°NE 42°NE 36°NNE 30°NNE 26°NNE 24°NNE 15°NNE 17°N 6°NNW 345°

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 (%)727069697171726963575356646464666972767674747471

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)771771770770770770770770770770770769768767767767766766767767768768767767

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 Index00000000.51.73.65.87.37.97.15.43.21.40.4000000

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)9.29.39.27.77.37.48.510.711.211.61212.112.913.213.11313.21312.411.610.910.510.310.5
PM10 (µg/m³)12.812.612.39.7991012.114.115.115.816.417.718.117.817.517.617.216.715.91514.113.413.2
Ozone (O₃) (µg/m³)3027242119171620314662809811111611510996776357545146
NO₂ (µg/m³)18.219.22020.720.920.519.718.215.712.59.77.35.34.14.14.96.17.89.811.411.911.812.213.4
SO₂ (µg/m³)7.57.87.77.57.47.57.77.97.97.97.87.67.57.37.37.37.26.76.15.65.45.45.55.7
CO (µg/m³)878781747594120139140133127126126123115105969086859099106109

Sydney 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.