16-day forecast — Istanbul
Updated every hour
Fri · Today
Clear
+22°
+16°
7%
Wind22 km/h NE
Gusts33 km/h
UV index5 – Moderate
Chance of rain7%
Sunrise06:54
Sunset18:56
Sat · Tomorrow
Cloudy
+23°
+18°
22%
Wind27 km/h NE
Gusts38 km/h
UV index5 – Moderate
Chance of rain22%
Sunrise06:55
Sunset18:55
Sunday 27/9
Showers
+22°
+19°
1.0 mm
Wind27 km/h NE
Gusts36 km/h
UV index5 – Moderate
Chance of rain51%
Sunrise06:56
Sunset18:53
Monday 28/9
Showers
+21°
+18°
1.0 mm
Wind25 km/h N
Gusts31 km/h
UV index5 – Moderate
Chance of rain41%
Sunrise06:57
Sunset18:51
Tuesday 29/9
Partly cloudy
+21°
+18°
0.2 mm
Wind23 km/h N
Gusts30 km/h
UV index5 – Moderate
Chance of rain18%
Sunrise06:58
Sunset18:50
Wednesday 30/9
Showers
+20°
+18°
0.8 mm
Wind23 km/h N
Gusts28 km/h
UV index5 – Moderate
Chance of rain48%
Sunrise06:59
Sunset18:48
Thursday 1/10
Showers
+20°
+18°
2.2 mm
Wind24 km/h N
Gusts29 km/h
UV index5 – Moderate
Chance of rain62%
Sunrise07:00
Sunset18:46
Friday 2/10
Cloudy
+21°
+17°
11%
Wind19 km/h NE
Gusts27 km/h
UV index6 – High
Chance of rain11%
Sunrise07:01
Sunset18:44
Saturday 3/10
Clear
+19°
+17°
11%
Wind18 km/h NE
Gusts27 km/h
UV index5 – Moderate
Chance of rain11%
Sunrise07:02
Sunset18:43
Sunday 4/10
Clear
+21°
+17°
8%
Wind15 km/h NE
Gusts26 km/h
UV index6 – High
Chance of rain8%
Sunrise07:03
Sunset18:41
Monday 5/10
Partly cloudy
+21°
+17°
11%
Wind11 km/h NE
Gusts13 km/h
UV index6 – High
Chance of rain11%
Sunrise07:04
Sunset18:40
Tuesday 6/10
Showers
+21°
+17°
0.3 mm
Wind21 km/h N
Gusts27 km/h
UV index5 – Moderate
Chance of rain36%
Sunrise07:06
Sunset18:38
Wednesday 7/10
Partly cloudy
+21°
+17°
0.3 mm
Wind27 km/h NE
Gusts36 km/h
UV index5 – Moderate
Chance of rain25%
Sunrise07:07
Sunset18:36
Thursday 8/10
Cloudy
+18°
+16°
10%
Wind27 km/h NE
Gusts34 km/h
UV index5 – Moderate
Chance of rain10%
Sunrise07:08
Sunset18:35
Friday 9/10
Showers
+20°
+16°
3.0 mm
Wind24 km/h SE
Gusts30 km/h
UV index4 – Moderate
Chance of rain—
Sunrise07:09
Sunset18:33
Saturday 10/10
Showers
+20°
+16°
2.9 mm
Wind21 km/h SE
Gusts28 km/h
UV index4 – Moderate
Chance of rain—
Sunrise07:10
Sunset18:31
About Istanbul
Metropole zwischen Europa und Asien am Bosporus.
CountryTurkey
RegionMarmararegion
ContinentAsia
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
Air qualityGood (EAQI 20)
Climate in Istanbul in April
Normals 8 years · best time to visit · Open-MeteoBest time to visit Istanbul: April–October. With good weather, April is a recommended month to visit.
| March | April | May | |
|---|---|---|---|
| Average temperature | ▲ 9°C | 12°C | ▲ 17°C |
| Highest temperature | ▲ 13°C | 17°C | ▲ 21°C |
| Lowest temperature | ▲ 5°C | 9°C | ▲ 13°C |
| Sea temperature | ▲ 9,3°C | 11,4°C | ▲ 15,2°C |
| Precipitation | ▼ 76 mm | 60 mm | ▲ 62 mm |
| Days with precipitation | ▼ 11 d | 9 d | → 9 d |
| Humidity | ▼ 73% | 72% | ▼ 71% |
| Sunshine hours per day | ▲ 7,8 h | 9,8 h | ▲ 11,5 h |
| Cloud cover | ▼ 35% | 27% | ▼ 20% |
| UV index (midday) | ▲ 6 | 9 | ▲ 10 |
| Day length | 11:57 | 13:20 | 14:29 |
| Our rating | Poor | Good | Good |
Temperature day by day in April mean + moving average
Precipitation day by day in April mm
UV index day by day in April 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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Weather Istanbul
Data source
Global weather models — international forecasts
Weather in Istanbul (Turkey): current conditions plus a 24-hour and 16-day forecast for planning your trip. Right now on the ground: +17°, clear, wind 9 km/h. Over the next 7 days temperatures range between 16 and 23 °C, with 2 fine days and 5 mm of rain. Climatologically, highs in September are around 26 °C, with a sea temperature of about 24 °C. Best time to visit: usually April–October. Local time (time zone Europe/Istanbul). Data from Open-Meteo and WeatherAPI.