5-day weather forecast Tokyo 20-04-2026

Weather forecast Tokyo Monday, April 20 20.04.2026: sunny, temperature from 16 °C to 21 °C.

No precipitation expected. Wind up to 6.19 m/s (gusts 8 m/s). Air humidity 34–68%, atmospheric pressure 761–764 mm Hg, UV index up to 7.4.

Sunrise 05:03
Sunset 18:18

Waxing Crescent9% illuminated
Moonrise 06:29 · Moonset 21:56

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Table

← Sun, Apr 19

Mon, Apr 20, 2026

Tue, Apr 21 →

Forecast from 16 °C to 21 °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)	18	18	17	17	17	17	16	17	17	18	19	20	21	21	21	20	20	19	18	18	18	17	17	17
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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 (%)	9	22	26	23	32	24	18	8	8	26	46	15	20	47	58	63	30	9	5	6	15	5	18	13
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

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)	2.31	2.69	2.19	2.5	3	3.11	3.11	3.11	3.31	3.11	2.5	2.19	2.19	3.19	4.81	5.5	6.19	6.19	6	5.89	5.5	5.39	4.89	4.89
Wind gust (m/s)	3.22	3.81	3.08	3.5	4.17	4.25	4.25	4.06	4.14	3.78	3.03	2.64	2.64	3.81	5.86	6.69	7.78	7.92	8	8	7.56	7.47	6.86	6.92
Wind direction (°)	SE 131°	ESE 116°	ESE 118°	ESE 105°	ESE 102°	E 97°	E 95°	E 95°	E 91°	E 91°	E 89°	E 98°	ESE 123°	SSE 153°	SSE 156°	SSE 152°	SSE 164°	SSE 166°	SSE 160°	SSE 159°	S 172°	SSE 164°	S 174°	S 171°

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 (%)	56	55	57	60	65	66	61	55	51	47	43	38	34	35	39	44	48	53	56	59	61	63	65	68

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)	763	762	762	762	762	762	763	764	764	763	763	763	762	762	761	761	761	761	761	761	762	761	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	0.2	0.9	2	3.6	6	7.2	7.4	5.4	4.6	2.5	1.2	0.4	0	0	0	0	0	0

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)	24.7	23.4	22.8	27.6	29.6	32.4	36.4	39.7	41.5	42.3	43.9	44.8	44	43.2	43.5	46.4	53.5	45.7	37.1	29.7	24.9	20.9	18.9	18.2
PM10 (µg/m³)	45.6	42.6	39.4	38.9	38.5	40.1	44.1	47.3	49.4	49.9	50.6	51.7	51.2	50.7	51.3	53.8	60.7	58.5	52.6	45.4	38.6	31.8	28.3	27.7
Ozone (O₃) (µg/m³)	139	126	105	85	68	52	39	30	23	18	13	8	6	6	8	14	24	37	52	69	86	101	111	119
NO₂ (µg/m³)	21.9	29.5	40.9	51.8	60.8	69.3	76.5	82.1	86.4	89.9	93.2	95.7	96.2	93.5	88.7	83.9	80.6	77.3	71.7	61.8	49.7	39.2	31	24.4
SO₂ (µg/m³)	17.5	17.8	19.6	22.1	25.8	30.2	33.6	35.2	35.8	36.2	36.5	36.7	37.6	39.7	42.5	45	47.8	50.3	49.2	41.6	30.5	21.4	16.3	13.2
CO (µg/m³)	224.9	253.9	302.9	348.9	382.9	411.9	435.9	453.9	465.9	467.9	449.9	421.9	406.9	424.9	456.9	468.9	438.9	389.9	347.9	323.9	306.9	300.9	310.9	330.9

← Sun, Apr 19

Mon, Apr 20, 2026

Tue, Apr 21 →

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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.

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