5-day weather forecast Seoul 21-07-2026

Weather forecast Seoul Tuesday, July 21 21.07.2026: sunny, temperature from 23 °C to 33 °C.

Precipitation probability 13%. Wind up to 4.61 m/s (gusts 5.28 m/s). Air humidity 43–87%, atmospheric pressure 755–758 mm Hg, UV index up to 9.2.

Sunrise 05:27
Sunset 19:49
First Quarter53% illuminated
Moonrise 12:51 · Moonset 23:33
Chart
Table
Tue, Jul 21, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
24 °C10% 6%83%757 mm HgWSW 251° 0.61 (0.92) m/s0
01:00Weather
Clear
24 °C11% 7%84%756 mm HgSW 230° 0.69 (1.11) m/s0
02:00Weather
Clear
23 °C11% 10%85%757 mm HgWSW 245° 0.81 (1.25) m/s0
03:00Weather
Clear
23 °C11% 6%85%757 mm HgNNW 328° 0.61 (0.97) m/s0
04:00Weather
Clear
23 °C12% 7%86%757 mm HgNNW 348° 0.5 (0.83) m/s0
05:00Weather
Clear
23 °C13% 10%87%757 mm HgN 4° 0.39 (0.67) m/s0
06:00Weather
Sunny
23 °C13% 13%87%757 mm HgE 84° 0.61 (0.94) m/s0.1
07:00Weather
Sunny
24 °C11% 14%83%758 mm HgSE 124° 0.39 (0.53) m/s0.6
08:00Weather
Sunny
25 °C9% 12%77%758 mm HgE 97° 0.5 (0.61) m/s1.5
09:00Weather
Sunny
27 °C7% 22%70%757 mm HgESE 112° 0.5 (0.58) m/s3
10:00Weather
Sunny
28 °C3% 12%58%756 mm HgSW 232° 1.19 (1.39) m/s5
11:00Weather
Sunny
29 °C3% 17%54%756 mm HgWSW 239° 1.89 (2.19) m/s7
12:00Weather
Sunny
31 °C2% 4%50%757 mm HgSSW 207° 1.31 (1.5) m/s7.3
13:00Weather
Sunny
31 °C2% 8%47%756 mm HgWSW 245° 3.39 (3.92) m/s9.2
14:00Weather
Sunny
31 °C2% 7%46%755 mm HgWSW 246° 3.89 (4.5) m/s7
15:00Weather
Sunny
33 °C2% 12%43%756 mm HgW 261° 3.5 (4.03) m/s5.4
16:00Weather
Sunny
29 °C2% 9%50%756 mm HgW 261° 4.61 (5.28) m/s3.6
17:00Weather
Sunny
28 °C3% 5%54%756 mm HgW 261° 3.11 (3.83) m/s1.8
18:00Weather
Sunny
30 °C2% 5%51%756 mm HgW 273° 3.31 (4.11) m/s0.7
19:00Weather
Sunny
27 °C3% 5%58%757 mm HgWSW 239° 2.81 (3.72) m/s0.1
20:00Weather
Clear
26 °C4% 4%63%757 mm HgWSW 255° 2 (2.75) m/s0
21:00Weather
Partly cloudy
27 °C7% 45%61%757 mm HgW 265° 1.19 (1.67) m/s0
22:00Weather
Clear
25 °C6% 4%69%757 mm HgWSW 243° 1.11 (1.58) m/s0
23:00Weather
Clear
24 °C6% 5%72%757 mm HgSW 220° 0.89 (1.33) m/s0
Tue, Jul 21, 2026

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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.