5-day weather forecast Seoul 30-04-2026

Weather forecast Seoul Thursday, April 30 30.04.2026: sunny, temperature from 12 °C to 22 °C.

No precipitation expected. Wind up to 5.81 m/s (gusts 6.67 m/s). Air humidity 20–65%, atmospheric pressure 760–764 mm Hg, UV index up to 7.1.

Sunrise 05:39
Sunset 19:21

Waxing Gibbous97% illuminated
Moonrise 18:07 · Moonset 04:29

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Table

← Wed, Apr 29

Thu, Apr 30, 2026

Fri, May 1 →

Forecast from 12 °C to 22 °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)	14	13	13	13	12	12	12	13	14	16	18	20	21	22	22	22	21	20	19	18	17	16	16	15
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 (%)	3	3	3	3	3	3	2	2	2	2	2	2	2	4	4	4	4	3	3	6	21	29	26	20
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)	1.19	1.11	1.31	1.19	1.11	1.11	1.11	1	1	1	1	1.5	2	2.81	3.5	4.89	5.81	5.39	5.19	4.81	3.61	2.31	1.89	1.89
Wind gust (m/s)	1.69	1.61	1.97	1.83	1.64	1.64	1.61	1.25	1.14	1.14	1.14	1.72	2.31	3.22	4.03	5.64	6.67	6.22	5.97	5.67	4.47	2.94	2.44	2.53
Wind direction (°)	SSW 193°	S 183°	S 175°	SSE 167°	SSE 165°	SSE 153°	SSE 150°	SE 142°	SE 133°	S 171°	SSW 210°	SW 235°	WSW 251°	WSW 258°	WSW 255°	WSW 255°	WSW 257°	W 260°	W 261°	W 266°	W 266°	W 264°	W 262°	WSW 253°

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 (%)	55	57	59	61	63	65	65	61	53	44	36	29	24	21	20	20	21	22	25	29	32	35	38	41

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)	764	764	764	764	764	764	764	764	764	764	764	763	762	761	761	761	761	760	760	761	761	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	0.4	1.2	2.7	4.4	6.1	7.1	7.1	6.1	4.5	2.7	1.3	0.4	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)	14.7	14.3	14.3	16.3	23.4	30	35.2	41.3	48.3	54.8	58.5	59.2	57.7	55.1	52.9	52.5	54.9	55.6	49.4	39.9	25.5	21.2	20.1	19.5
PM10 (µg/m³)	16	15.5	15.6	17.5	24.7	31.8	37.5	44	51.2	58.1	62.1	62.8	61.2	58.4	56	55.4	56.9	57.8	52.9	44	29.2	24.7	23.7	23.3
Ozone (O₃) (µg/m³)	117	114	106	92	66	33	8	0	0	0	0	0	0	0	0	2	13	29	48	72	98	117	126	127
NO₂ (µg/m³)	12.9	15.3	20.2	30.9	52.8	80.5	100.5	106.1	104.1	101.2	99.8	97.7	94.5	90.6	85.7	79.1	69.8	58.8	47.8	36.2	24.6	16.6	13.9	14.8
SO₂ (µg/m³)	11.2	10.7	10.7	13	19.1	27.6	36	44.4	52.7	58.1	59.1	57.1	54.4	50.9	46.7	43.3	42.5	42.6	40.5	33.7	24.7	18.1	16.1	16.4
CO (µg/m³)	186.9	201.9	228.9	267.9	323.9	392.9	464.9	548.9	635.9	684.9	660.9	598.9	567.9	604.9	671.9	722.9	754.9	770.9	736.9	610.9	434.9	297.9	238.9	217.9

← Wed, Apr 29

Thu, Apr 30, 2026

Fri, May 1 →

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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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