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%
05.11
thu
thu
Day

52°F
SW 11 mph
Precip.
19%
19%
Night

48°F
SW 9 mph
Precip.
13%
13%
06.11
fri
fri
Day

50°F
S 11 mph
Precip.
12%
12%
Night

46°F
S 8 mph
Precip.
14%
14%
07.11
sat
sat
Day

48°F
S 9 mph
Precip.
12%
12%
Night

48°F
SW 6 mph
Precip.
22%
22%
08.11
sun
sun
Day

52°F
SW 7 mph
Precip.
18%
18%
Night

48°F
SW 4 mph
Precip.
15%
15%
09.11
mon
mon
Day

52°F
N 2 mph
Precip.
10%
10%
Night

52°F
N 4 mph
Precip.
9%
9%
10.11
tue
tue
Day

55°F
N 7 mph
Precip.
13%
13%
Night

48°F
S 8 mph
Precip.
63%
63%
11.11
wed
wed
Day

50°F
SW 6 mph
Precip.
45%
45%
Night

48°F
SW 10 mph
Precip.
20%
20%
sea water
temperature
temperature
| Istanbul |
monthly
weather
weather
| Istanbul |
current
weather
weather
| Istanbul |
7 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



























