Weather Seoul Today – Temperature, Rain & Hourly Forecast
Monday, 21/09/2026
25°
Mainly clear · Feels like 26°
Updated 13 hours ago
- High/Low
- 28°/16°
- Humidity
- 42%
- Wind
- 2 km/h
- Rainfall
- 0.0 mm
- UV index
- 6.2
- Pressure
- 1013 hPa
- Sunrise
- 06:18
- Sunset
- 18:31
Today
00
06
12
18
00:0006:0012:0018:00
Summary
Seoul is comfortable today, 16–28°C, under mainly clear.
Almost no chance of rain today.
Maximum UV of 6.2 at 13:00 — wear a hat for longer stints outdoors.
Humidity of 42% pushes the felt temperature to 26°C.
Wind runs 5 km/h out of the north-east.
Temperatures climb over the next few days, peaking at 30°C on Sunday 27/09.
The week ahead is dry, totalling only about 0 mm.
Sunrise 06:18, sunset 18:31.
Best time to visit
Outdoor heat stress
20°C
Peaks at 23:00 — safe
Dry riding window
23:00–13:00
14 hours dry; 1 window(s) in the next 14 hours
Drying laundry
Workable
0 sunny hours, 0 wet hours between 07:00 and 17:00
Sunrise viewing
06:19
0% cloud at sunrise — clear, worth the early start
Skin protection
6.2
Unprotected skin may burn in about 25 minutes
48-hour forecast
23:00
20°
0%
00:00
20°
0%
01:00
19°
0%
02:00
18°
0%
03:00
18°
0%
04:00
18°
0%
05:00
17°
0%
06:00
17°
0%
07:00
17°
0%
08:00
19°
0%
09:00
20°
0%
10:00
22°
0%
11:00
24°
0%
12:00
25°
0%
13:00
26°
0%
14:00
27°
0%
15:00
28°
0%
16:00
27°
0%
17:00
27°
0%
18:00
26°
0%
19:00
24°
0%
20:00
23°
0%
21:00
23°
0%
22:00
21°
0%
23:00
20°
0%
00:00
20°
0%
01:00
19°
0%
02:00
19°
0%
03:00
18°
0%
04:00
18°
0%
05:00
17°
0%
06:00
17°
0%
07:00
17°
0%
08:00
18°
0%
09:00
19°
0%
10:00
21°
0%
11:00
23°
0%
12:00
24°
0%
13:00
25°
0%
14:00
27°
1%
15:00
27°
2%
16:00
26°
4%
17:00
25°
5%
18:00
24°
6%
19:00
22°
5%
20:00
21°
2%
21:00
21°
0%
22:00
20°
0%
Days ahead
| Today | Low/High | Chance of rain | Rainfall | |
|---|---|---|---|---|
| Today 21/09 | Mainly clear | 16°28° | 0% | 0.0 mm |
| Tomorrow 22/09 | Mainly clear | 17°28° | 0% | 0.0 mm |
| Wednesday 23/09 | Mainly clear | 17°27° | 6% | 0.0 mm |
| Thursday 24/09 | Overcast | 19°27° | 0% | 0.0 mm |
| Friday 25/09 | Light drizzle | 19°29° | 43% | 0.3 mm |
Monthly averages
Common questions
Will it rain in Seoul today?
No. The chance of rain today is only about 0%.
How hot is it in Seoul today?
Between 16°C and 28°C, with a felt maximum of 29°C.
What is the weather in Seoul tomorrow?
Tomorrow: mainly clear, 17–28°C, with a 0% chance of rain.