5-day weather forecast Osaka Oct 4, 2026

20°18–21° · Overcast

Weather forecast Osaka today Oct 4, 2026: overcast, temperature from 18 °C to 21 °C.

Precipitation probability 81%. Wind up to 6.31 m/s (gusts 10.72 m/s). Air humidity 63–91%, atmospheric pressure 762–764 mm Hg, UV index up to 3.4.

Sunrise 05:55
Sunset 17:38
Last Quarter34% illuminated
Moonrise 23:14 · Moonset 13:26
Chart
Table
Sun, Oct 4, 2026

Forecast from 18 °C to 21 °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)202019202020202121212121201919191919191818181819
Precipitation (mm/hr)00000000.040.010.010.020.350.653.052.361.220.610.360.851.190.330.1300

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 (%)9992971001001001001001009910010010010010010010010010010010010099100
Rain chance (%)151417192122222521202046608181756958697557402727

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)3.313.313.193.814.314.814.814.695.395.615.696.315.695.55.695.615.194.313.693.8943.894.114.31
Wind gust (m/s)5.815.6167.118.729.039.4299.8110.039.699.33999.3310.729.618.427.039.728.839.539.229.03
Wind direction (°)NNE 23°NNE 30°NNE 30°NNE 33°NE 50°NE 54°ENE 63°ENE 61°ENE 64°ENE 69°ENE 65°ENE 58°NE 45°NE 42°NE 37°NE 50°NE 46°NE 40°NNE 32°ENE 62°NE 49°ENE 57°NE 52°NE 52°

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 (%)636568727577767674737172758389918987889089888785

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)764764764764764764764764764764764763764763763763763763764763764763762762

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 Index00000000.10.40.71.43.41.20.50.40.20.10000000

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)16.114.813.91210.51010.812.31414.614.21312.812.211.310.19.59.69.710.410.610.91111
PM10 (µg/m³)19.11817.114.913.112.613.514.716.516.916.31514.613.812.711.310.610.710.711.211.211.411.611.9
Ozone (O₃) (µg/m³)454751545554535047454649525457596162626159585859
NO₂ (µg/m³)23.921.819.317.717.417.919.221.82527.12725.724.423.522.722.222.322.723.123.724.224.223.121.4
SO₂ (µg/m³)10.710.510.410.410.61111.512.21313.413.212.712.111.510.810.19.18.17.68.19.29.99.99.6
CO (µg/m³)182169153146156176194208221225214194179174174175178183185181173167163160
Sun, Oct 4, 2026

Frequently asked questions about the 5-day weather in Osaka

What will the weather be like in Osaka over the next 5 days?

Over the next 5 days in Osaka the temperature is expected to range from about 17 to 26 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Osaka?

The chance of rain in Osaka over the next 5 days reaches 81%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Osaka?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Osaka will be the warmest and which the coolest?

Over the next 5 days the temperature in Osaka ranges from about 17 to 26 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Osaka over the next 5 days?

Over the next 5 days the wind in Osaka picks up to 8 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Osaka is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 81%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Osaka?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Osaka this week?

Rain reaches a 81% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 3.4; sunscreen is worth it from about 3 upwards.

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.