5-day weather forecast Osaka Sep 18, 2026

31°22–31° · Partly cloudy

Weather forecast Osaka today Sep 18, 2026: sunny, temperature from 22 °C to 31 °C.

Precipitation probability 21%. Wind up to 3.81 m/s (gusts 7.03 m/s). Air humidity 44–82%, atmospheric pressure 762–764 mm Hg, UV index up to 7.7.

Sunrise 05:43
Sunset 18:01
First Quarter53% illuminated
Moonrise 13:00 · Moonset 22:26
Chart
Table
Fri, Sep 18, 2026
TimeWeatherTemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00
Clear
24 °C9% 18%76%764 mm HgNNE 27° 3.61 (7.03) m/s0
01:00
Clear
24 °C8% 9%76%764 mm HgNE 47° 3.81 (6.53) m/s0
02:00
Overcast
23 °C21% 100%76%764 mm HgENE 61° 3.39 (6.22) m/s0
03:00
Clear
23 °C8% 6%78%764 mm HgNE 52° 2.81 (4.83) m/s0
04:00
Partly cloudy
23 °C15% 59%79%764 mm HgNE 54° 2.69 (4.33) m/s0
05:00
Clear
22 °C10% 18%80%764 mm HgNE 54° 2.39 (3.89) m/s0
06:00
Sunny
22 °C10% 5%82%764 mm HgNE 51° 2.61 (4.61) m/s0
07:00
Sunny
23 °C9% 5%78%764 mm HgENE 58° 3.11 (4.72) m/s0.4
08:00
Sunny
25 °C6% 5%71%764 mm HgENE 67° 3.5 (5) m/s1.5
09:00
Overcast
26 °C14% 93%64%764 mm HgENE 77° 3.5 (5.11) m/s3.4
10:00
Sunny
28 °C3% 5%58%764 mm HgE 92° 3.81 (5.11) m/s5.5
11:00
Sunny
29 °C2% 6%53%764 mm HgE 91° 3.69 (4.72) m/s7.1
12:00
Sunny
30 °C2% 11%48%763 mm HgE 96° 3.39 (4.31) m/s7.7
13:00
Partly cloudy
31 °C3% 27%45%762 mm HgESE 103° 3.11 (3.89) m/s7.1
14:00
Partly cloudy
31 °C4% 50%44%762 mm HgESE 107° 2.89 (3.42) m/s5.3
15:00
Partly cloudy
31 °C3% 40%44%762 mm HgESE 109° 3.19 (3.61) m/s3.2
16:00
Cloudy
31 °C7% 74%46%762 mm HgE 100° 2.81 (3.19) m/s1.3
17:00
Cloudy
30 °C7% 69%49%762 mm HgE 93° 2.69 (3.42) m/s0.4
18:00
Overcast
28 °C13% 100%54%763 mm HgE 92° 1.69 (4.11) m/s0
19:00
Overcast
28 °C13% 100%57%763 mm HgENE 61° 1.69 (4.11) m/s0
20:00
Overcast
27 °C14% 100%58%764 mm HgENE 67° 2.5 (4.83) m/s0
21:00
Overcast
26 °C14% 100%60%764 mm HgENE 70° 3 (5.19) m/s0
22:00
Overcast
26 °C15% 100%61%764 mm HgENE 73° 2.81 (4.33) m/s0
23:00
Overcast
25 °C15% 100%61%764 mm HgE 82° 3.11 (4.33) m/s0
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 21 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 24%. 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 21 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 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 24%) 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 24% 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.