5-day weather forecast Seoul 20-07-2026

Weather forecast Seoul Monday, July 20 20.07.2026: patchy rain possible, temperature from 23 °C to 29 °C.

Precipitation probability 50%. Wind up to 2.61 m/s (gusts 3.14 m/s). Air humidity 63–95%, atmospheric pressure 753–757 mm Hg, UV index up to 4.9.

Sunrise 05:26
Sunset 19:50

First Quarter43% illuminated
Moonrise 11:43 · Moonset 23:05

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Table

← Sun, Jul 19

Mon, Jul 20, 2026

Tue, Jul 21 →

Forecast from 23 °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)	24	24	24	23	23	23	23	23	24	25	26	27	28	29	29	29	29	29	29	27	26	25	25	25
Precipitation (mm/hr)	0.03	0.04	0.22	0.19	0.03	0.13	0.06	0.06	0.05	0.06	0.17	0.19	0.07	0.07	0.03	0.07	0.01	0.04	0.01	0.01	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 (%)	100	100	100	100	97	100	100	100	92	100	94	96	99	92	67	80	73	72	74	78	8	12	6	7
Rain chance (%)	31	33	48	47	41	50	44	37	33	33	35	33	23	19	12	17	12	13	12	15	8	9	9	10

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)	0.5	0.69	0.89	0.69	0.31	0.89	0.89	1.11	0.61	0.69	0.89	1.31	1.5	1.5	1.69	2.39	2.31	2.5	2.61	2.39	2	1.39	1.11	1
Wind gust (m/s)	0.75	1.03	1.28	1	0.42	1.31	1.28	1.47	0.75	0.86	1.03	1.53	1.83	1.83	2.08	2.97	2.81	2.89	3.14	3.14	2.78	1.94	1.56	1.42
Wind direction (°)	ESE 118°	SSE 168°	S 188°	S 177°	ESE 112°	SSW 208°	SSW 198°	S 185°	S 173°	SSE 159°	SSW 192°	SSW 198°	SSW 192°	SSW 193°	SW 229°	W 266°	W 275°	W 262°	WSW 249°	WSW 244°	WSW 251°	W 263°	W 260°	W 261°

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 (%)	89	90	92	94	95	95	94	93	90	86	80	75	69	64	63	64	66	64	66	71	76	79	80	82

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)	753	754	754	754	754	755	755	755	755	755	755	755	755	755	755	755	755	755	755	755	756	756	757	757

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	0.3	0.6	0.9	2	3	2.8	3.7	4.9	2.8	1.3	0.5	0.1	0	0	0	0

← Sun, Jul 19

Mon, Jul 20, 2026

Tue, Jul 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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