World Resorts Turkey Istanbul Weather

Istanbul 7 Days Forecast

15.01
thu
Day
50°F
NE 13 mph
Precip.
0%
Night
48°F
E 6 mph
Precip.
0%
16.01
fri
Day
50°F
S 3 mph
Precip.
63%
Night
36°F
SW 12 mph
Precip.
100%
17.01
sat
Day
37°F
SW 10 mph
Precip.
100%
Night
34°F
S 11 mph
Precip.
70%
18.01
sun
Day
34°F
S 17 mph
Precip.
100%
Night
32°F
SE 14 mph
Precip.
100%
19.01
mon
Day
39°F
SW 11 mph
Precip.
100%
Night
39°F
SW 7 mph
Precip.
76%
20.01
tue
Day
43°F
W 14 mph
Precip.
0%
Night
39°F
W 10 mph
Precip.
0%
21.01
wed
Day
43°F
W 6 mph
Precip.
83%
Night
45°F
NE 19 mph
Precip.
100%

Sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 52.0°F. The highest and lowest sea temperatures during the month were 53.2°F and 50.9°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

Sunniest months:
July 28 days
August 28 days
June 22 days
Warmest months:
July 85.0 °F
August 84.7 °F
June 79.8 °F
Warmest sea temp:
August 75.8 °F
July 74.5 °F
September 73.4 °F
Coldest months:
January 48.7 °F
February 49.9 °F
December 52.9 °F
Rainiest months:
January 5 days
December 4 days
February 3 days
Windiest months:
August 13.7 mph
July 12.0 mph
September 11.9 mph

Istanbul on a weather map

Istanbul
+50°F
NE 6 mph
Feels like: +46°F
Precip.: 0%
Places in Turkey:
Name
°F
+48°F
+48°F
+46°F
+50°F
+50°F
+52°F
+41°F
+50°F
+48°F
+48°F
+46°F
+52°F
+52°F
+50°F
+50°F
24 Hours Forecast
Istanbul
Local time: 20:43
January 15, thursday
2100
50°F
NE
6 mph
January 16, friday
0000
48°F
E
6 mph
0300
48°F
SE
2 mph
0600
46°F
SW
2 mph
0900
48°F
S
2 mph
1200
50°F
S
3 mph
1500
48°F
SW
11 mph
1800
43°F
SW
17 mph
Units of measurement: °C / °F