5-day weather forecast Osaka Sep 28, 2026

22°19° · Light rain shower

Weather forecast Osaka tomorrow Sep 28, 2026: light rain shower, temperature from 19 °C to 22 °C.

Precipitation probability 91%. Wind up to 2.81 m/s (gusts 4.03 m/s). Air humidity 84–97%, atmospheric pressure 758–761 mm Hg, UV index up to 1.1.

Sunrise 05:50
Sunset 17:46
Waning Gibbous91% illuminated
Moonrise 18:19 · Moonset 07:09
Chart
Table

Forecast from 19 °C to 22 °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)222222212121212121212121212121222121201919202019
Precipitation (mm/hr)0.710.21.052.972.945.584.44.974.434.474.271.340.432.100.050.382.551.971.281.330.590.430.6

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 (%)100100100100100100100100100100100100100100100100100100100100100100100100
Rain chance (%)654474878791909190909077588027315383787475635664

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)1.391.690.3921.311.312.311.52.392.112.51.811.612.311.6111.191.692.812.3111.391.311.19
Wind gust (m/s)2.422.921.113.221.721.692.811.723.112.923.422.923.113.692.721.922.533.224.033.51.831.831.721.83
Wind direction (°)WSW 254°S 177°SSW 199°S 179°SE 129°SE 125°ESE 104°NE 56°ENE 72°E 81°E 80°ENE 67°NE 36°N 359°NNE 33°N 357°NNE 13°N 354°N 354°NNW 347°NE 42°N 351°NNW 340°NNE 20°

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 (%)888991959696979797979694919085848789888989898890

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)759758758758758758758759759759759759759759758759759759760761761761761761

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 Index00000000.10.20.40.50.81.10.70.60.30.10000000

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)12.411.810.58.36.95.44.76.26.66.16.56.97.99.312.71823.526.228.926.323.123.322.421.1
PM10 (µg/m³)12.411.810.78.77.565.36.776.46.77.18.19.61318.323.726.529.226.523.223.422.521.1
Ozone (O₃) (µg/m³)545450453829263142567699114115109998568555050504948
NO₂ (µg/m³)37.733.130.427.824.621.519.11817.616.914.511.811.715.722.229.638.548.154.756.154.552.250.448
SO₂ (µg/m³)18.817.417.216.715.213.512.613.214.615.414.412.812.515.119.121.620.818.517.218.320.321.521.320.3
CO (µg/m³)269251252259273292302291271259262274287298311334376428476520559574549499

Osaka 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.