29.10
thu
thu
Day
63°F
SW 8 mph
Precip.
66%
66%
Night
61°F
S 12 mph
Precip.
30%
30%
30.10
fri
fri
Day
59°F
S 9 mph
Precip.
26%
26%
Night
57°F
SW 6 mph
Precip.
23%
23%
31.10
sat
sat
Day
61°F
SW 7 mph
Precip.
16%
16%
Night
57°F
SW 9 mph
Precip.
20%
20%
01.11
sun
sun
Day
63°F
W 11 mph
Precip.
17%
17%
Night
59°F
SW 6 mph
Precip.
71%
71%
02.11
mon
mon
Day
66°F
W 4 mph
Precip.
20%
20%
Night
61°F
W 4 mph
Precip.
43%
43%
03.11
tue
tue
Day
66°F
N 4 mph
Precip.
23%
23%
Night
61°F
NE 10 mph
Precip.
22%
22%
04.11
wed
wed
Day
55°F
SE 12 mph
Precip.
66%
66%
Night
52°F
S 10 mph
Precip.
21%
21%
sea water
temperature
temperature
| Istanbul |
monthly
weather
weather
| Istanbul |
current
weather
weather
| Istanbul |
14 days
forecast
forecast
| Istanbul |
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 66.2°F. The highest and lowest sea temperatures during the month were 69.1°F and 63.1°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 62.4°F. The highest and lowest sea temperatures during the month were 66.4°F and 59.7°F.
Air temperature in Istanbul, °F
Precipitation total in Istanbul, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Istanbul
Istanbul on a weather map
Places in Turkey:
Name
°F
24 Hours Forecast
Istanbul
Local time: 16:19
October 29, thursday
1800
61°F
S
11 mph
11 mph
2100
61°F
S
12 mph
12 mph
October 30, friday
0000
61°F
S
12 mph
12 mph
0300
59°F
S
10 mph
10 mph
0600
59°F
S
8 mph
8 mph
0900
59°F
S
8 mph
8 mph
1200
59°F
S
9 mph
9 mph
1500
59°F
S
8 mph
8 mph
