5-day weather forecast Osaka Sep 18, 2026
31°Weather forecast Osaka today Sep 18, 2026: sunny, temperature from 22 °C to 31 °C.
Precipitation probability 21%. Wind up to 4 m/s (gusts 6.03 m/s). Air humidity 42–81%, atmospheric pressure 762–764 mm Hg, UV index up to 7.7.
5 days at a glance — tap a day to open it
Sunrise 05:43
Sunset 18:01
Sunset 18:01
First Quarter53% illuminated
Moonrise 13:00 · Moonset 22:26
Moonrise 13:00 · Moonset 22:26
Chart
TableFri, Sep 18, 2026
Forecast from 22 °C to 31 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Air quality & pollen
Fri, Sep 18, 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 22 to 31 °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 25%. 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 22 to 31 °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 9 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 25%) 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 25% 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 7.7; 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.