27.10
tue
tue
Day
59°F
SE 17 mph
Precip.
2%
2%
Night
43°F
SE 12 mph
Precip.
1%
1%
28.10
wed
wed
Day
50°F
SE 7 mph
Precip.
0%
0%
Night
48°F
N 3 mph
Precip.
6%
6%
29.10
thu
thu
Day
54°F
N 11 mph
Precip.
8%
8%
Night
52°F
NW 8 mph
Precip.
36%
36%
30.10
fri
fri
Day
61°F
E 6 mph
Precip.
13%
13%
Night
55°F
SE 11 mph
Precip.
4%
4%
31.10
sat
sat
Day
55°F
SE 7 mph
Precip.
1%
1%
Night
50°F
S 2 mph
Precip.
12%
12%
01.11
sun
sun
Day
52°F
NW 7 mph
Precip.
53%
53%
Night
48°F
S 7 mph
Precip.
25%
25%
02.11
mon
mon
Day
48°F
SE 12 mph
Precip.
2%
2%
Night
41°F
SE 7 mph
Precip.
3%
3%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 70.1°F. The highest and lowest sea temperatures during the month were 74.7°F and 66.4°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 57.5°F. The highest and lowest sea temperatures during the month were 63.9°F and 51.6°F.
Air temperature in Incheon, °F
Precipitation total in Incheon, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Incheon
Incheon on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Incheon
Local time: 02:00
October 27, tuesday
0300
55°F
SE
13 mph
13 mph
0600
52°F
SE
12 mph
12 mph
0900
54°F
SE
11 mph
11 mph
1200
59°F
SE
17 mph
17 mph
1500
55°F
SE
19 mph
19 mph
1800
50°F
SE
16 mph
16 mph
2100
46°F
SE
13 mph
13 mph
October 28, wednesday
0000
43°F
SE
12 mph
12 mph
