5-day weather forecast Osaka 20-05-2026

Weather forecast Osaka Wednesday, May 20 20.05.2026: partly cloudy, temperature from 18 °C to 29 °C.

Precipitation probability 100%. Wind up to 3.61 m/s (gusts 4.36 m/s). Air humidity 32–94%, atmospheric pressure 758–762 mm Hg, UV index up to 7.2.

Sunrise 04:52
Sunset 18:57

Waxing Crescent15% illuminated
Moonrise 07:45 · Moonset 22:58

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Table

← Tue, May 19

Wed, May 20, 2026

Forecast from 18 °C to 29 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	19	18	18	18	19	19	19	19	19	19	24	26	22	28	29	24	28	27	23	24	23	21	21	21
Precipitation (mm/hr)	2.77	1.84	3.3	2.27	1.9	0.44	0.05	0.07	0.2	0	0	0	0	0	0	0	0	0	0.01	0.02	0.05	0	0.78	0.31

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	100	84	100	100	100	92	80	51	100	37	30	8	55	9	7	30	46	37	89	79	52	45	57	87
Rain chance (%)	100	100	100	100	100	100	100	100	100	0	0	0	0	0	0	0	0	0	63	87	82	0	100	100

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	3	2.11	1.11	2.19	1.81	2.31	2.5	3.31	2.89	2.61	2.81	2.89	2	2.5	2.5	3.11	3.61	3.5	1.81	3.11	2.61	2.5	2.61	2.19
Wind gust (m/s)	3.72	2.64	1.42	2.83	2.33	3.03	3.31	4.36	3.75	3.39	3.22	3.33	2.44	2.89	2.89	3.58	4.14	4.03	2.47	3.83	3.19	3.58	3.31	2.78
Wind direction (°)	W 260°	WSW 247°	WNW 289°	NE 46°	NE 41°	ENE 61°	NE 38°	NNE 28°	NNE 31°	NNE 20°	ESE 116°	E 97°	NE 39°	E 88°	ESE 103°	ENE 68°	ESE 121°	ESE 112°	NE 48°	ESE 107°	ESE 122°	ENE 61°	ENE 70°	NE 49°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	84	90	92	93	94	93	92	90	87	86	48	41	76	35	32	61	35	40	64	59	69	71	82	83

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	761	761	761	761	761	761	761	761	761	762	760	759	761	758	758	760	758	758	761	759	759	762	760	760

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0.1	0.2	0.8	1.3	4.3	5.7	7.2	6.5	5.1	4.5	2.6	1	0.2	0	0	0	0	0

← Tue, May 19

Wed, May 20, 2026

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.

Learn more about our methodology →