06.04
mon
mon
Day

59°F
NW 4 mph
Precip.
0%
0%
Night

54°F
NE 4 mph
Precip.
0%
0%
07.04
tue
tue
Day

57°F
SE 6 mph
Precip.
0%
0%
Night

55°F
NE 4 mph
Precip.
100%
100%
08.04
wed
wed
Day

48°F
S 22 mph
Precip.
100%
100%
Night

48°F
NW 7 mph
Precip.
0%
0%
09.04
thu
thu
Day

52°F
NE 8 mph
Precip.
100%
100%
Night

46°F
SW 11 mph
Precip.
0%
0%
10.04
fri
fri
Day

48°F
S 21 mph
Precip.
100%
100%
Night

46°F
S 17 mph
Precip.
63%
63%
11.04
sat
sat
Day

48°F
S 17 mph
Precip.
79%
79%
Night

45°F
S 4 mph
Precip.
0%
0%
12.04
sun
sun
Day

50°F
SW 2 mph
Precip.
72%
72%
Night

46°F
W 3 mph
Precip.
0%
0%
13.04
mon
mon
Day

54°F
NW 6 mph
Precip.
0%
0%
Night

50°F
SW 6 mph
Precip.
0%
0%
14.04
tue
tue
Day

61°F
SW 5 mph
Precip.
0%
0%
Night

50°F
SW 8 mph
Precip.
0%
0%
15.04
wed
wed
Day

59°F
SW 4 mph
Precip.
0%
0%
Night

52°F
S 4 mph
Precip.
0%
0%
16.04
thu
thu
Day

61°F
W 6 mph
Precip.
0%
0%
Night

52°F
SW 13 mph
Precip.
0%
0%
17.04
fri
fri
Day

61°F
SW 14 mph
Precip.
0%
0%
Night

54°F
SW 8 mph
Precip.
71%
71%
18.04
sat
sat
Day

61°F
E 5 mph
Precip.
0%
0%
Night

52°F
S 5 mph
Precip.
0%
0%
19.04
sun
sun
Day

59°F
E 4 mph
Precip.
0%
0%
Night

55°F
S 7 mph
Precip.
0%
0%
sea water
temperature
temperature
| Istanbul |
monthly
weather
weather
| Istanbul |
current
weather
weather
| Istanbul |
7 days
forecast
forecast
| Istanbul |
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 51.4°F. The highest and lowest sea temperatures during the month were 54.3°F and 49.1°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: 22:30
April 07, tuesday
0000

54°F
NE
4 mph
4 mph
0300

52°F
NE
6 mph
6 mph
0600

52°F
NE
7 mph
7 mph
0900

55°F
E
9 mph
9 mph
1200

57°F
SE
6 mph
6 mph
1500

61°F
S
2 mph
2 mph
1800

57°F
N
6 mph
6 mph
2100

55°F
NE
2 mph
2 mph



























