World Resorts Turkey Istanbul Weather

Istanbul 14 Days Forecast

29.08
sat
Day
77°F
S 11 mph
Precip.
15%
Night
72°F
SW 4 mph
Precip.
5%
30.08
sun
Day
79°F
SW 4 mph
Precip.
3%
Night
73°F
SW 10 mph
Precip.
6%
31.08
mon
Day
81°F
SW 12 mph
Precip.
2%
Night
72°F
SW 11 mph
Precip.
5%
01.09
tue
Day
79°F
SW 11 mph
Precip.
2%
Night
73°F
SW 9 mph
Precip.
6%
02.09
wed
Day
82°F
SW 14 mph
Precip.
1%
Night
73°F
SW 11 mph
Precip.
5%
03.09
thu
Day
81°F
SW 9 mph
Precip.
2%
Night
73°F
SW 9 mph
Precip.
11%
04.09
fri
Day
81°F
SW 4 mph
Precip.
3%
Night
75°F
W 6 mph
Precip.
5%
05.09
sat
Day
79°F
NE 7 mph
Precip.
2%
Night
75°F
W 6 mph
Precip.
3%
06.09
sun
Day
84°F
SW 12 mph
Precip.
1%
Night
75°F
SW 14 mph
Precip.
4%
07.09
mon
Day
84°F
SW 15 mph
Precip.
1%
Night
73°F
SW 11 mph
Precip.
7%
08.09
tue
Day
79°F
E 4 mph
Precip.
16%
Night
73°F
S 6 mph
Precip.
23%
09.09
wed
Day
79°F
SW 12 mph
Precip.
1%
Night
70°F
SW 9 mph
Precip.
7%
10.09
thu
Day
77°F
SE 2 mph
Precip.
3%
Night
72°F
SW 5 mph
Precip.
7%
11.09
fri
Day
75°F
NE 2 mph
Precip.
3%
Night
73°F
W 6 mph
Precip.
2%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 73.6°F. The highest and lowest sea temperatures during the month were 75.6°F and 69.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 76.3°F and 71.4°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 27 days
June 23 days
Warmest months:
July 84.8 °F
August 84.6 °F
June 79.7 °F
Warmest sea temp:
August 75.7 °F
July 74.4 °F
September 73.4 °F
Coldest months:
January 48.6 °F
February 49.8 °F
December 52.9 °F
Rainiest months:
January 5 days
December 4 days
February 3 days
Windiest months:
August 13.5 mph
September 11.9 mph
July 11.8 mph

Istanbul on a weather map

Current weather
01:28
Istanbul
+70°F
S 12 mph
Feels like: +70°F
Precip.: 30%
Places in Turkey:
Name
°F
Alanya
+82°F
Antalya
+79°F
Belek
+82°F
Beldibi
+77°F
Bodrum
+79°F
Goynuk
+77°F
Kas
+77°F
Kemer
+77°F
Kusadasi
+73°F
Marmaris
+79°F
Oludeniz
+81°F
Side
+82°F
Istanbul
+70°F
Fethiye
+81°F
Camyuva
+77°F
all places
24 Hours Forecast
Istanbul
Local time: 01:28
August 29, saturday
0300
72°F
SW
9 mph
0600
70°F
SW
9 mph
0900
73°F
S
12 mph
1200
77°F
S
11 mph
1500
79°F
SW
14 mph
1800
75°F
SW
13 mph
2100
73°F
SW
11 mph
August 30, sunday
0000
72°F
SW
4 mph
Units of measurement: °C / °F