Measurements:
°C
°F
CURRENT WEATHER
15:57
Istanbul
74°F
NE 6 mph
Feels like: 74°F
Precip: 0%
World Resorts Turkey Istanbul Weather

14 Day Weather Forecast

05.11
mon
DAY
72°F
N 5 mph
precip
0%
NIGHT
64°F
NE 3 mph
precip
70%
05.12
tue
DAY
72°F
NE 9 mph
precip
0%
NIGHT
66°F
NE 7 mph
precip
0%
05.13
wed
DAY
66°F
S 11 mph
precip
0%
NIGHT
56°F
W 9 mph
precip
0%
05.14
thu
DAY
66°F
SW 10 mph
precip
100%
NIGHT
56°F
SW 6 mph
precip
0%
05.15
fri
DAY
64°F
N 4 mph
precip
0%
NIGHT
60°F
W 5 mph
precip
0%
05.16
sat
DAY
70°F
NW 4 mph
precip
0%
NIGHT
60°F
SW 2 mph
precip
100%
05.17
sun
DAY
64°F
SE 11 mph
precip
77%
NIGHT
58°F
S 6 mph
precip
0%
05.18
mon
DAY
62°F
E 6 mph
precip
0%
NIGHT
60°F
SE 16 mph
precip
100%
05.19
tue
DAY
64°F
S 19 mph
precip
89%
NIGHT
60°F
SE 6 mph
precip
0%
05.20
wed
DAY
68°F
S 7 mph
precip
0%
NIGHT
62°F
SW 3 mph
precip
0%
05.21
thu
DAY
72°F
NE 4 mph
precip
0%
NIGHT
68°F
NW 3 mph
precip
0%
05.22
fri
DAY
74°F
NE 5 mph
precip
81%
NIGHT
68°F
W 2 mph
precip
0%
05.23
sat
DAY
74°F
NE 6 mph
precip
81%
NIGHT
66°F
NE 6 mph
precip
0%
05.24
sun
DAY
72°F
E 10 mph
precip
0%
NIGHT
68°F
NE 6 mph
precip
0%

Istanbul Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Istanbul was 57.9°F. The maximum and minimum values were 52.0°F and 63.0°F respectively.

Istanbul on the Weather Map

Best Time to Visit Istanbul
The most sunny months:
July 28 days
August 28 days
June 22 days
The most warm months:
July 88.9 °F
August 88.5 °F
June 83.1 °F
Warmest sea temperature:
August 78.7 °F
July 77.3 °F
September 76.0 °F
The most cold months:
January 48.5 °F
February 49.8 °F
December 53.2 °F
The most rainy months:
January 5 days
December 4 days
February 3 days
The most windy months:
August 14 mph
July 12 mph
September 12 mph
more details
Turkey Resorts:
NAME
F°
Alanya +76
Antalya +78
Avsallar +76
Beldibi +78
Belek +76
Bodrum +74
Fethiye +80
Istanbul +74
Kas +76
Kemer +78
Konakli +76
Marmaris +78
Okurcalar +76
Oludeniz +78
Side +76
all resorts
24 Hours Weather Forecast
Istanbul
Local time: 15:57
11 may, monday
1800 72°F
NE
3 mph
2100 66°F
W
2 mph
12 may, tuesday
0000 64°F
NE
3 mph
0300 62°F
NE
2 mph
0600 60°F
NE
3 mph
0900 66°F
NE
7 mph
1200 72°F
NE
9 mph
1500 76°F
NE
10 mph