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.
5 days at a glance — tap a day to open it
Sunrise 05:23
Sunset 18:39
Sunset 18:39
First Quarter69% illuminated
Moonrise 14:13 · Moonset 23:41
Moonrise 14:13 · Moonset 23:41
Chart
Table
Fri, Aug 21, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 27 °C | 18% | 88% | 74% | 760 mm Hg | WSW 250° 4 (6) m/s | 0 |
| 01:00 | Overcast | 27 °C | 21% | 99% | 76% | 760 mm Hg | WSW 247° 3.81 (5.61) m/s | 0 |
| 02:00 |  Clear | 27 °C | 8% | 6% | 77% | 760 mm Hg | WSW 251° 3.31 (5.33) m/s | 0 |
| 03:00 | Clear | 27 °C | 8% | 4% | 78% | 760 mm Hg | WSW 245° 3.11 (4.81) m/s | 0 |
| 04:00 | Clear | 27 °C | 9% | 5% | 79% | 760 mm Hg | WSW 247° 2.89 (4.72) m/s | 0 |
| 05:00 | Overcast | 27 °C | 23% | 99% | 79% | 760 mm Hg | WSW 252° 2.31 (3.5) m/s | 0 |
| 06:00 |  Overcast | 27 °C | 22% | 100% | 78% | 761 mm Hg | WSW 250° 2 (2.89) m/s | 0.2 |
| 07:00 | Overcast | 27 °C | 20% | 100% | 74% | 761 mm Hg | SW 234° 2 (2.39) m/s | 0.8 |
| 08:00 | Overcast | 28 °C | 16% | 91% | 69% | 760 mm Hg | SSW 211° 2.11 (2.33) m/s | 2.3 |
| 09:00 |  Sunny | 30 °C | 4% | 5% | 63% | 760 mm Hg | SW 214° 2.31 (2.42) m/s | 4.4 |
| 10:00 | Sunny | 31 °C | 3% | 8% | 57% | 760 mm Hg | SW 225° 2.61 (5.61) m/s | 6.9 |
| 11:00 | Overcast | 32 °C | 12% | 100% | 52% | 759 mm Hg | WSW 237° 3.19 (7.19) m/s | 8.7 |
| 12:00 | Overcast | 32 °C | 11% | 98% | 50% | 759 mm Hg | SW 234° 3.81 (6.81) m/s | 9.3 |
| 13:00 |  Partly cloudy | 33 °C | 4% | 42% | 49% | 758 mm Hg | SW 229° 4.19 (8.19) m/s | 8.6 |
| 14:00 | Overcast | 33 °C | 11% | 100% | 46% | 758 mm Hg | SW 222° 5 (8) m/s | 6.2 |
| 15:00 |  Cloudy | 32 °C | 9% | 83% | 51% | 758 mm Hg | SW 229° 5.19 (9.19) m/s | 3.9 |
| 16:00 | Overcast | 31 °C | 12% | 95% | 56% | 758 mm Hg | SW 227° 5.69 (8.69) m/s | 1.3 |
| 17:00 | Overcast | 31 °C | 13% | 100% | 57% | 758 mm Hg | SW 232° 6 (6.42) m/s | 0.5 |
| 18:00 |  Patchy rain possible | 30 °C | 12% (0.01 mm/hr) | 84% | 61% | 758 mm Hg | WSW 237° 5.5 (6.42) m/s | 0.1 |
| 19:00 |  Partly cloudy | 29 °C | 7% | 33% | 66% | 759 mm Hg | WSW 238° 4.69 (5.92) m/s | 0 |
| 20:00 |  Patchy rain possible | 28 °C | 17% (0.06 mm/hr) | 79% | 67% | 759 mm Hg | WSW 238° 4.5 (5.83) m/s | 0 |
| 21:00 | Clear | 28 °C | 6% | 16% | 69% | 759 mm Hg | WSW 238° 4.39 (5.83) m/s | 0 |
| 22:00 | Clear | 28 °C | 6% | 5% | 70% | 759 mm Hg | WSW 246° 4 (5.61) m/s | 0 |
| 23:00 | Clear | 28 °C | 6% | 5% | 72% | 759 mm Hg | WSW 249° 3.69 (5.31) m/s | 0 |
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.