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Weather in Cheonan, South Korea 🇰🇷

Weather Forecast in Cheonan

Current Weather in Cheonan

Moderate or heavy rain with thunder
26°C
Feels like 30°C. Moderate or heavy rain with thunder.
🌬️ 13 km/h SW
💧 94% Humidity
🧭 1005 hPa
👁️ 8.0 km Visibility
☀️ UV Index: 3.0
🌡️ Dew Point: 25°C
🌅 Sunrise: 05:28 AM
🌇 Sunset: 07:47 PM
Map Overlays:

Cheonan currently sits at 26°C, moderate or heavy rain with thunder, feeling like 30°C. Expect 94% humidity and winds of about 13 km/h, and the UV index is 3 (moderate). The next few days in Cheonan look set for about 22°C up to 31°C.

Hourly Forecast for Cheonan

18:00
Light rain shower
28°
35%
19:00
Light rain shower
27°
35%
20:00
Patchy rain nearby
25°
48%
21:00
Mist
24°
28%
22:00
Fog
24°
42%
23:00
Fog
24°
44%
00:00
Light rain shower
23°
75%
01:00
Light rain shower
23°
79%
02:00
Light rain shower
23°
82%
03:00
Light rain shower
23°
83%
04:00
Light rain shower
23°
83%
05:00
Light rain shower
24°
81%
06:00
Light rain shower
24°
82%
07:00
Light rain shower
24°
81%
08:00
Light rain shower
25°
67%
09:00
Patchy rain nearby
26°
38%
10:00
Light rain shower
27°
61%
11:00
Light rain shower
28°
63%
12:00
Light rain shower
29°
64%
13:00
Light rain shower
30°
50%
14:00
Light rain shower
30°
41%
15:00
Light rain shower
31°
22%
16:00
Patchy rain nearby
31°
18%
17:00
Patchy rain nearby
30°
36%

14-Day Forecast for Cheonan

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

Additional Forecasts for Cheonan

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 169.0 μg/m³
O₃ (Ozone) 101.0 μg/m³
NO₂ (Nitrogen Dioxide) 10.8 μg/m³
SO₂ (Sulphur Dioxide) 3.5 μg/m³
PM2.5 (Fine particles) 6.2 μg/m³
PM10 (Coarse particles) 7.9 μg/m³

Historical Weather

Weather Forecasts for Other Cities in South Korea

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Best Time to Be Outside in Cheonan Today

The most comfortable window in Cheonan today looks like 18:00 to 06:00, when it is around 26°C. The next likely rain is around 00:00.

Frequently Asked Questions about Weather in Cheonan

What is the temperature in Cheonan right now?

The current temperature in Cheonan is 26°C (79°F), moderate or heavy rain with thunder (feels like 30°C).

What's the weather like in Cheonan right now?

Right now Cheonan has Moderate or heavy rain with thunder, humidity 94%, wind 13 km/h SW.

What is today's forecast for Cheonan?

Today in Cheonan: high 28°C, low 23°C, mist. Chance of rain: 86%.

What is the 7-day weather forecast for Cheonan?

Daily highs and lows for Cheonan:

  • 2026-07-21: 28°C / 23°C
  • 2026-07-22: 31°C / 23°C
  • 2026-07-23: 29°C / 22°C
  • 2026-07-24: 33°C / 22°C
  • 2026-07-25: 32°C / 23°C
  • 2026-07-26: 32°C / 22°C
  • 2026-07-27: 32°C / 22°C
Is it going to rain in Cheonan today?

There is a 86% chance of rain in Cheonan today. Total expected precipitation: 5.93 mm.

What is the wind speed in Cheonan right now?

Wind in Cheonan is currently 13 km/h (8 mph) from the SW.

What is the UV index in Cheonan right now?

The UV index in Cheonan is currently 3 (moderate). 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