14-day forecast — Istanbul
Updated hourly
Tue · Today · 4 Aug
Clear
+32°
+23°
3%
Wed · Tomorrow · 5 Aug
Clear
+30°
+24°
4%
Thursday · 6 Aug
Clear
+30°
+23°
5%
Friday · 7 Aug
Clear
+30°
+23°
6%
Saturday · 8 Aug
Clear
+31°
+24°
4%
Sunday · 9 Aug
Clear
+27°
+24°
13%
Monday · 10 Aug
Clear
+28°
+23°
4%
Tuesday · 11 Aug
Clear
+28°
+23°
4%
Wednesday · 12 Aug
Clear
+29°
+22°
4%
Thursday · 13 Aug
Clear
+29°
+23°
5%
Friday · 14 Aug
Clear
+29°
+23°
4%
Saturday · 15 Aug
Clear
+27°
+22°
3%
Sunday · 16 Aug
Clear
+27°
+22°
2%
Monday · 17 Aug
Clear
+28°
+21°
2%
About Istanbul
Tyrkias metropol på to kontinenter ved Bosporos.
CountryTyrkia
RegionIstanbul
ContinentEuropa
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
LuftkvalitetFair (EAQI 39)
Climate in Istanbul in may
Normals 8 years · best time to travel · Open-MeteoBest time to travel to Istanbul: april–october. With good weather, may is a recommended month to visit.
| April | May | June | |
|---|---|---|---|
| Average temperature | ▲ 12°C | 17°C | ▲ 22°C |
| Highest temperature | ▲ 17°C | 21°C | ▲ 27°C |
| Lowest temperature | ▲ 9°C | 13°C | ▲ 18°C |
| Sea temperature | ▲ 11,4°C | 15,2°C | ▲ 21,2°C |
| Precipitation | ▲ 60 mm | 62 mm | ▼ 49 mm |
| Precipitation days | → 9 days | 9 days | ▼ 8 days |
| Humidity | ▼ 72% | 71% | ▼ 61% |
| Sun hours per day | ▲ 9,8 h | 11,5 h | ▲ 13,1 h |
| Cloud cover | ▼ 27% | 20% | ▼ 13% |
| UV index (midday) | ▲ 9 | 10 | ▲ 11 |
| Day length | 13:20 | 14:29 | 15:04 |
| Our rating | Good | Good | Perfect |
Temperature day by day in may average + moving average
Precipitation day by day in may mm
UV index day by day in may 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
The weather for Istanbul is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts are updated hourly; measurements every 15 minutes. For destinations with a large time difference from Norway, local time is shown above.