5-day weather forecast Osaka Sep 21, 2026

25°23–25° · Patchy rain possible

Weather forecast Osaka today Sep 21, 2026: patchy rain possible, temperature from 23 °C to 25 °C.

Precipitation probability 27%. Wind up to 8.69 m/s (gusts 16.22 m/s). Air humidity 73–82%, atmospheric pressure 750–755 mm Hg, UV index up to 1.8.

Sunrise 05:45
Sunset 17:56
Waxing Gibbous82% illuminated
Moonrise 15:13 · Moonset 00:20
Chart
Table
Mon, Sep 21, 2026
TimeWeatherTemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00
Overcast
25 °C21% 99%76%753 mm HgN 6° 5 (10.42) m/s0
01:00
Overcast
25 °C22% 100%77%752 mm HgN 7° 4.69 (10.42) m/s0
02:00
Patchy rain possible
25 °C24% (0.01 mm/hr)100%78%752 mm HgNNE 14° 4.5 (10.33) m/s0
03:00
Overcast
25 °C23% 100%79%752 mm HgNNE 13° 4.61 (10.53) m/s0
04:00
Overcast
25 °C23% 100%79%752 mm HgN 7° 5.19 (11.72) m/s0
05:00
Overcast
25 °C22% 100%78%751 mm HgN 5° 5.39 (12.61) m/s0
06:00
Overcast
25 °C22% 100%77%751 mm HgN 10° 6.81 (14.5) m/s0
07:00
Patchy rain possible
25 °C27% (0.04 mm/hr)100%80%751 mm HgN 10° 6.5 (13.72) m/s0
08:00
Patchy rain possible
25 °C25% (0.01 mm/hr)100%81%751 mm HgN 3° 7.5 (14.81) m/s0.1
09:00
Patchy rain possible
25 °C25% (0.01 mm/hr)100%82%752 mm HgN 4° 8.19 (15.42) m/s0.4
10:00
Patchy rain possible
25 °C25% (0.01 mm/hr)100%82%751 mm HgN 2° 8.19 (15.61) m/s0.7
11:00
Patchy rain possible
25 °C25% (0.01 mm/hr)100%81%751 mm HgN 357° 8.69 (16.22) m/s1.6
12:00
Patchy rain possible
25 °C24% (0.01 mm/hr)100%80%751 mm HgN 357° 8.31 (15.72) m/s1.7
13:00
Patchy rain possible
25 °C24% (0.02 mm/hr)100%78%751 mm HgN 355° 8.11 (15.42) m/s1.8
14:00
Patchy rain possible
25 °C24% (0.02 mm/hr)100%78%750 mm HgNNW 341° 7.5 (15) m/s1.2
15:00
Patchy rain possible
25 °C23% (0.01 mm/hr)100%78%751 mm HgN 352° 5.89 (13.81) m/s0.8
16:00
Patchy rain possible
25 °C25% (0.03 mm/hr)100%78%751 mm HgNNW 341° 5.31 (13.42) m/s0.3
17:00
Patchy rain possible
24 °C24% (0.02 mm/hr)100%78%752 mm HgNNW 335° 5.39 (13.72) m/s0.1
18:00
Patchy rain possible
24 °C24% (0.01 mm/hr)100%78%752 mm HgNNW 334° 4.89 (13.19) m/s0
19:00
Patchy rain possible
24 °C25% (0.03 mm/hr)100%78%752 mm HgNW 326° 5.11 (13.61) m/s0
20:00
Patchy rain possible
24 °C23% (0.02 mm/hr)100%77%753 mm HgNW 326° 4.61 (12.83) m/s0
21:00
Patchy rain possible
24 °C24% (0.03 mm/hr)100%77%754 mm HgNW 325° 5.11 (13.11) m/s0
22:00
Patchy rain possible
23 °C22% (0.01 mm/hr)100%76%754 mm HgNW 322° 4.89 (12.33) m/s0
23:00
Patchy rain possible
23 °C20% (0.01 mm/hr)100%73%755 mm HgNW 318° 5.11 (12) m/s0
Mon, Sep 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 20 to 29 °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 27%. 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 20 to 29 °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 27%) 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 27% 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 1.8; 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.