5-day weather forecast Tokyo 20-05-2026

Weather forecast Tokyo Wednesday, May 20 20.05.2026: patchy rain possible, temperature from 21 °C to 25 °C.

Precipitation probability 67%. Wind up to 4.39 m/s (gusts 5.56 m/s). Air humidity 53–75%, atmospheric pressure 759–763 mm Hg, UV index up to 2.5.

Sunrise 04:33
Sunset 18:43

Waxing Crescent15% illuminated
Moonrise 07:24 · Moonset 22:43

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Table

← Tue, May 19

Wed, May 20, 2026

Forecast from 21 °C to 25 °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)	22	21	21	21	21	21	22	22	22	22	23	24	24	25	25	24	24	23	23	23	22	21	22	21
Precipitation (mm/hr)	0	0	0	0	0	0.01	0.01	0.2	0.03	0	0	0	0	0	0	0	0.01	0	0	0.01	0.01	0	0.01	0.03

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 (%)	13	45	36	49	50	73	80	88	73	67	81	81	48	100	77	47	76	100	48	100	100	33	100	100
Rain chance (%)	0	0	0	0	0	67	67	100	74	0	0	0	0	0	0	0	78	0	0	88	62	0	79	88

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)	2	0.69	1.5	2.81	2.5	3	2.61	2.61	3	3.31	2.31	2.31	1.69	3.11	4.11	2.89	4.39	4.31	3.5	3.19	3.19	3.5	3	2.39
Wind gust (m/s)	2.86	1	2.17	4.08	3.56	4.28	3.75	3.67	4.25	4.69	2.83	2.83	2.33	3.92	4.92	3.72	5.56	5.53	5.08	4.25	4.25	4.72	4.06	3.22
Wind direction (°)	S 186°	WSW 243°	NNW 345°	NNW 344°	N 0°	NNW 337°	NNW 338°	NNW 329°	NNW 338°	NNW 347°	ESE 103°	E 99°	SE 127°	E 86°	E 87°	SE 131°	E 90°	E 97°	SE 134°	ESE 119°	SE 133°	SE 131°	SE 143°	SE 126°

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 (%)	68	69	69	70	70	69	67	66	63	59	62	60	53	53	54	54	62	65	56	67	70	69	74	75

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)	760	759	759	759	759	760	761	761	761	761	760	761	761	759	759	761	759	760	761	761	761	763	761	761

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	0.6	1.3	1.8	1.8	2.2	2.5	1.5	1.3	1.1	0.5	0.1	0	0	0	0	0

← Tue, May 19

Wed, May 20, 2026

Tokyo 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 →