5-day weather forecast Osaka 21-08-2026

Weather forecast Osaka today 21.08.2026: overcast, temperature from 27 °C to 33 °C.

Precipitation probability 23%. Wind up to 6 m/s (gusts 9.19 m/s). Air humidity 46–79%, atmospheric pressure 758–761 mm Hg, UV index up to 9.3.

Sunrise 05:23
Sunset 18:39
First Quarter69% illuminated
Moonrise 14:13 · Moonset 23:41
Chart
Table
Fri, Aug 21, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Overcast
27 °C18% 88%74%760 mm HgWSW 250° 4 (6) m/s0
01:00Weather
Overcast
27 °C21% 99%76%760 mm HgWSW 247° 3.81 (5.61) m/s0
02:00Weather
Clear
27 °C8% 6%77%760 mm HgWSW 251° 3.31 (5.33) m/s0
03:00Weather
Clear
27 °C8% 4%78%760 mm HgWSW 245° 3.11 (4.81) m/s0
04:00Weather
Clear
27 °C9% 5%79%760 mm HgWSW 247° 2.89 (4.72) m/s0
05:00Weather
Overcast
27 °C23% 99%79%760 mm HgWSW 252° 2.31 (3.5) m/s0
06:00Weather
Overcast
27 °C22% 100%78%761 mm HgWSW 250° 2 (2.89) m/s0.2
07:00Weather
Overcast
27 °C20% 100%74%761 mm HgSW 234° 2 (2.39) m/s0.8
08:00Weather
Overcast
28 °C16% 91%69%760 mm HgSSW 211° 2.11 (2.33) m/s2.3
09:00Weather
Sunny
30 °C4% 5%63%760 mm HgSW 214° 2.31 (2.42) m/s4.4
10:00Weather
Sunny
31 °C3% 8%57%760 mm HgSW 225° 2.61 (5.61) m/s6.9
11:00Weather
Overcast
32 °C12% 100%52%759 mm HgWSW 237° 3.19 (7.19) m/s8.7
12:00Weather
Overcast
32 °C11% 98%50%759 mm HgSW 234° 3.81 (6.81) m/s9.3
13:00Weather
Partly cloudy
33 °C4% 42%49%758 mm HgSW 229° 4.19 (8.19) m/s8.6
14:00Weather
Overcast
33 °C11% 100%46%758 mm HgSW 222° 5 (8) m/s6.2
15:00Weather
Cloudy
32 °C9% 83%51%758 mm HgSW 229° 5.19 (9.19) m/s3.9
16:00Weather
Overcast
31 °C12% 95%56%758 mm HgSW 227° 5.69 (8.69) m/s1.3
17:00Weather
Overcast
31 °C13% 100%57%758 mm HgSW 232° 6 (6.42) m/s0.5
18:00Weather
Patchy rain possible
30 °C12% (0.01 mm/hr)84%61%758 mm HgWSW 237° 5.5 (6.42) m/s0.1
19:00Weather
Partly cloudy
29 °C7% 33%66%759 mm HgWSW 238° 4.69 (5.92) m/s0
20:00Weather
Patchy rain possible
28 °C17% (0.06 mm/hr)79%67%759 mm HgWSW 238° 4.5 (5.83) m/s0
21:00Weather
Clear
28 °C6% 16%69%759 mm HgWSW 238° 4.39 (5.83) m/s0
22:00Weather
Clear
28 °C6% 5%70%759 mm HgWSW 246° 4 (5.61) m/s0
23:00Weather
Clear
28 °C6% 5%72%759 mm HgWSW 249° 3.69 (5.31) m/s0
Fri, Aug 21, 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 26 to 37 °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 36%. 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 26 to 37 °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 6 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 36%) 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.

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.