5-day weather forecast Osaka 21-05-2026

Weather forecast Osaka today 21.05.2026: moderate rain, temperature from 21 °C to 22 °C.

Precipitation probability 100%. Wind up to 5.61 m/s (gusts 8.14 m/s). Air humidity 92–97%, atmospheric pressure 753–758 mm Hg, UV index up to 1.8.

Sunrise 04:51
Sunset 18:58
Waxing Crescent24% illuminated
Moonrise 08:58 · Moonset 23:42
Chart
Table
Thu, May 21, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Overcast
21 °C0% 100%93%758 mm HgENE 78° 2.11 (3.11) m/s0
01:00Weather
Overcast
21 °C0% 100%92%757 mm HgENE 76° 2.19 (3.42) m/s0
02:00Weather
Overcast
21 °C0% 100%92%757 mm HgENE 75° 2.11 (3.36) m/s0
03:00Weather
Overcast
21 °C0% 100%92%756 mm HgENE 76° 2.19 (3.58) m/s0
04:00Weather
Overcast
21 °C0% 96%93%755 mm HgENE 72° 2.39 (3.94) m/s0
05:00Weather
Overcast
21 °C0% 100%93%755 mm HgE 79° 1.89 (3.17) m/s0
06:00Weather
Light drizzle
21 °C100% (0.18 mm/hr)100%93%755 mm HgE 86° 1.81 (3) m/s0.1
07:00Weather
Light rain
21 °C100% (1.96 mm/hr)100%93%755 mm HgESE 119° 2.11 (3.17) m/s0.2
08:00Weather
Moderate rain
21 °C100% (4.11 mm/hr)100%96%755 mm HgSE 141° 2.69 (3.97) m/s0.6
09:00Weather
Moderate rain
21 °C100% (6.81 mm/hr)100%97%755 mm HgS 180° 3 (4.53) m/s1
10:00Weather
Moderate rain
21 °C100% (3.61 mm/hr)100%92%755 mm HgSSW 198° 3.69 (5.56) m/s1
11:00Weather
Moderate rain
21 °C100% (6.57 mm/hr)100%95%754 mm HgSSW 200° 5.39 (7.78) m/s1.6
12:00Weather
Moderate rain
21 °C100% (5.7 mm/hr)100%96%754 mm HgSW 221° 5.19 (7.58) m/s1.8
13:00Weather
Moderate rain
21 °C100% (3.59 mm/hr)100%97%753 mm HgSW 219° 4.81 (7.31) m/s0.6
14:00Weather
Light rain shower
22 °C100% (2.41 mm/hr)100%96%753 mm HgSW 217° 5.61 (8.08) m/s0.3
15:00Weather
Light rain shower
22 °C100% (0.36 mm/hr)100%97%753 mm HgSSW 213° 5.61 (8.14) m/s0.5
16:00Weather
Patchy rain possible
22 °C100% (0.13 mm/hr)100%96%753 mm HgSW 221° 5.31 (7.58) m/s0.3
17:00Weather
Patchy rain possible
22 °C100% (0.06 mm/hr)100%96%753 mm HgSW 218° 5 (7.14) m/s0.2
18:00Weather
Light rain shower
22 °C100% (0.2 mm/hr)100%96%753 mm HgSW 222° 4.89 (7.25) m/s0.1
19:00Weather
Patchy rain possible
22 °C100% (0.05 mm/hr)100%95%753 mm HgSW 218° 3.69 (5.81) m/s0
20:00Weather
Light rain shower
21 °C100% (0.47 mm/hr)100%93%754 mm HgSSW 213° 4 (6.53) m/s0
21:00Weather
Patchy rain possible
21 °C100% (0.08 mm/hr)100%92%754 mm HgSW 216° 2.81 (4.72) m/s0
22:00Weather
Light drizzle
21 °C100% (0.23 mm/hr)100%93%754 mm HgSW 232° 2.81 (4.75) m/s0
23:00Weather
Patchy rain possible
21 °C100% (0.09 mm/hr)100%92%754 mm HgSSW 212° 2.81 (4.75) m/s0
Thu, May 21, 2026

Frequently asked questions about the weather in Osaka

Today in Osaka the temperature ranges from 21 °C to 22 °C, wind up to 5.61 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Osaka today is 100%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Osaka today reaches up to 5.61 m/s with gusts up to 8.14 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Osaka today ranges from 92% to 97%. View the humidity chart above for hourly details.

The UV index in Osaka today reaches up to 1.8. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Osaka today ranges from 753 to 758 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Osaka today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

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.