14-day forecast — Istanbul
Updated every hour
Sun · Today · 13 Sep
Showers
+24°
+20°
0,6 mm
Mon · Tomorrow · 14 Sep
Showers
+20°
+18°
117,4 mm
Tuesday · 15 Sep
Clear
+24°
+18°
8%
Wednesday · 16 Sep
Clear
+25°
+19°
0,1 mm
Thursday · 17 Sep
Clear
+25°
+19°
4%
Friday · 18 Sep
Clear
+25°
+20°
5%
Saturday · 19 Sep
Clear
+25°
+21°
6%
Sunday · 20 Sep
Clear
+26°
+20°
3%
Monday · 21 Sep
Clear
+25°
+19°
4%
Tuesday · 22 Sep
Clear
+26°
+19°
5%
Wednesday · 23 Sep
Clear
+23°
+20°
8%
Thursday · 24 Sep
Cloudy
+23°
+20°
15%
Friday · 25 Sep
Showers
+24°
+20°
0,8 mm
Saturday · 26 Sep
Clear
+22°
+18°
17%
About Istanbul
À cheval sur deux continents, entre Bosphore et bazars.
CountryTurkey
RegionMarmara
ContinentEurope
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
Air qualityFair (EAQI 22)
Climate in Istanbul in August
Normals 8 years · best time to visit · Open-MeteoBest time to visit Istanbul: April–October. With perfect weather, August is a recommended month to visit.
| July | August | September | |
|---|---|---|---|
| Average temperature | → 25°C | 25°C | ▼ 21°C |
| Highest temperature | ▲ 29°C | 30°C | ▼ 26°C |
| Lowest temperature | → 21°C | 21°C | ▼ 18°C |
| Sea temperature | ▼ 25,4°C | 25,2°C | ▼ 24,2°C |
| Precipitation | ▼ 32 mm | 19 mm | ▲ 44 mm |
| Days with precipitation | ▼ 5 d | 3 d | ▲ 8 d |
| Humidity | ▲ 64% | 65% | ▲ 72% |
| Sunshine hours per day | ▼ 13,5 h | 12,6 h | ▼ 10,9 h |
| Cloud cover | ▼ 9% | 8% | ▲ 13% |
| UV index (midday) | ▼ 11 | 10 | ▼ 7 |
| Day length | 14:47 | 13:46 | 12:28 |
| Our rating | Perfect | Perfect | Perfect |
Temperature day by day in August mean + moving average
Precipitation day by day in August mm
UV index day by day in August midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
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Data source
Global weather models — international forecasts
Météo de Istanbul (Turkey) : conditions actuelles et prévisions à 24 h et 14 jours pour préparer votre voyage. Sur place actuellement, il fait +21°, clear, vent 12 km/h. Sur les 7 prochains jours, les températures varient de 18 à 25 °C avec 5 belles journées et 118 mm de pluie. Heure locale (fuseau Europe/Istanbul). Données Open-Meteo et WeatherAPI.