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Weather in Sejong, South Korea 🇰🇷

Weather Forecast in Sejong

Current Weather in Sejong

Partly cloudy
29°C
Feels like 35°C. Partly cloudy.
🌬️ 21 km/h SW
💧 70% Humidity
🧭 1006 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 8.1
🌡️ Dew Point: 25°C
🌅 Sunrise: 05:28 AM
🌇 Sunset: 07:46 PM
Map Overlays:

Right now Sejong is 29°C with partly cloudy, feeling like 35°C. Expect 70% humidity and winds of about 21 km/h, and the UV index is 8 (very high). The next few days in Sejong look set for about 22°C up to 32°C.

Hourly Forecast for Sejong

15:00
Light rain shower
29°
70%
16:00
Light rain shower
28°
63%
17:00
Light rain shower
28°
37%
18:00
Light rain shower
28°
34%
19:00
Patchy rain nearby
26°
24%
20:00
Mist
25°
36%
21:00
Mist
24°
31%
22:00
Mist
24°
33%
23:00
Mist
24°
32%
00:00
Light rain shower
24°
55%
01:00
Light rain shower
24°
69%
02:00
Light rain shower
23°
72%
03:00
Light rain shower
23°
80%
04:00
Light rain shower
23°
83%
05:00
Light rain shower
23°
85%
06:00
Light rain shower
24°
83%
07:00
Light rain shower
25°
64%
08:00
Patchy rain nearby
26°
42%
09:00
Light rain shower
27°
43%
10:00
Light rain shower
28°
54%
11:00
Light rain shower
29°
39%
12:00
Light rain shower
30°
36%
13:00
Light rain shower
31°
28%
14:00
Patchy rain nearby
31°
20%

14-Day Forecast for Sejong

Tue, Jul 21
Mist Mist
29° / 22°
Wed, Jul 22
Light rain shower Light rain shower
32° / 22°
Thu, Jul 23
Light rain shower Light rain shower
31° / 22°
Fri, Jul 24
Sunny Sunny
33° / 22°
Sat, Jul 25
Sunny Sunny
32° / 22°
Sun, Jul 26
Sunny Sunny
33° / 22°
Mon, Jul 27
Sunny Sunny
33° / 22°
Tue, Jul 28
Sunny Sunny
33° / 21°
Wed, Jul 29
Sunny Sunny
32° / 20°
Thu, Jul 30
Sunny Sunny
32° / 19°
Fri, Jul 31
Sunny Sunny
32° / 18°
Sat, Aug 01
Sunny Sunny
34° / 19°
Sun, Aug 02
Sunny Sunny
32° / 19°
Mon, Aug 03
Sunny Sunny
32° / 19°

Additional Forecasts for Sejong

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 166.0 μg/m³
O₃ (Ozone) 129.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.2 μg/m³
SO₂ (Sulphur Dioxide) 2.8 μg/m³
PM2.5 (Fine particles) 7.3 μg/m³
PM10 (Coarse particles) 9.3 μg/m³

Historical Weather

Weather Forecasts for Other Cities in South Korea

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Best Time to Be Outside in Sejong Today

The most comfortable window in Sejong today looks like 17:00 to 19:00, when it is around 27°C. The next likely rain is around 15:00.

Frequently Asked Questions about Weather in Sejong

What is the temperature in Sejong right now?

The current temperature in Sejong is 29°C (85°F), partly cloudy (feels like 35°C).

What's the weather like in Sejong right now?

Right now Sejong has Partly cloudy, humidity 70%, wind 21 km/h SW.

What is today's forecast for Sejong?

Today in Sejong: high 29°C, low 22°C, mist. Chance of rain: 84%.

What is the 7-day weather forecast for Sejong?

Daily highs and lows for Sejong:

  • 2026-07-21: 29°C / 22°C
  • 2026-07-22: 32°C / 22°C
  • 2026-07-23: 31°C / 22°C
  • 2026-07-24: 33°C / 22°C
  • 2026-07-25: 32°C / 22°C
  • 2026-07-26: 33°C / 22°C
  • 2026-07-27: 33°C / 22°C
Is it going to rain in Sejong today?

There is a 84% chance of rain in Sejong today. Total expected precipitation: 7.02 mm.

What is the wind speed in Sejong right now?

Wind in Sejong is currently 21 km/h (13 mph) from the SW.

What is the UV index in Sejong right now?

The UV index in Sejong is currently 8.1 (very high). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇰🇷 South Korea: Seoul · Busan · Incheon · Daegu · Gwangju · Daejeon · Suwon · Goyang-si · Seongnam-si · Changwon · Ulsan · Bucheon-si · Cheongju-si · Ansan-si · Cheonan · Jeonju · Hwaseong-si · Anyang-si · Kimhae · Pohang · Jeju City · Uijeongbu-si · Masan · Gumi · Pyeongtaek · Gwangmyeong · Sejong · Yangsan · Wŏnju · Chinju · Iksan · Yeosu · Gunpo · Mokpo · Hanam · Gunsan · Suncheon · Chuncheon · Chungju · Icheon-si · Guri-si · Gangneung · Yangju · Seogwipo · Osan · Andong · Gyeongju · Gimcheon · Jeongeup · Gyeongsan-si