16-day forecast — Istanbul
Updated every hour
Sat · Today
Cloudy
+22°
+18°
18%
Wind28 km/h NE
Gusts39 km/h
UV index4 – Moderate
Chance of rain18%
Sunrise06:55
Sunset18:55
Sun · Tomorrow
Showers
+21°
+19°
1.6 mm
Wind27 km/h NE
Gusts38 km/h
UV index4 – Moderate
Chance of rain62%
Sunrise06:56
Sunset18:53
Monday 28/9
Showers
+20°
+18°
14.7 mm
Wind29 km/h N
Gusts44 km/h
UV index4 – Moderate
Chance of rain84%
Sunrise06:57
Sunset18:51
Tuesday 29/9
Showers
+19°
+18°
9.4 mm
Wind25 km/h N
Gusts39 km/h
UV index2 – Low
Chance of rain84%
Sunrise06:58
Sunset18:50
Wednesday 30/9
Showers
+19°
+16°
16.8 mm
Wind27 km/h NE
Gusts42 km/h
UV index4 – Moderate
Chance of rain88%
Sunrise06:59
Sunset18:48
Thursday 1/10
Showers
+20°
+17°
9.5 mm
Wind31 km/h S
Gusts42 km/h
UV index4 – Moderate
Chance of rain85%
Sunrise07:00
Sunset18:46
Friday 2/10
Showers
+21°
+18°
0.3 mm
Wind25 km/h NE
Gusts35 km/h
UV index5 – Moderate
Chance of rain36%
Sunrise07:01
Sunset18:44
Saturday 3/10
Clear
+20°
+17°
17%
Wind23 km/h NE
Gusts30 km/h
UV index6 – High
Chance of rain17%
Sunrise07:02
Sunset18:43
Sunday 4/10
Clear
+20°
+15°
4%
Wind17 km/h NE
Gusts30 km/h
UV index6 – High
Chance of rain4%
Sunrise07:03
Sunset18:41
Monday 5/10
Clear
+21°
+16°
5.0 mm
Wind27 km/h N
Gusts33 km/h
UV index6 – High
Chance of rain65%
Sunrise07:04
Sunset18:40
Tuesday 6/10
Clear
+19°
+16°
3.6 mm
Wind18 km/h NE
Gusts35 km/h
UV index5 – Moderate
Chance of rain57%
Sunrise07:06
Sunset18:38
Wednesday 7/10
Clear
+20°
+15°
3%
Wind17 km/h NE
Gusts32 km/h
UV index6 – High
Chance of rain3%
Sunrise07:07
Sunset18:36
Thursday 8/10
Cloudy
+19°
+15°
8%
Wind9 km/h E
Gusts24 km/h
UV index5 – Moderate
Chance of rain8%
Sunrise07:08
Sunset18:35
Friday 9/10
Clear
+23°
+18°
0.2 mm
Wind9 km/h SW
Gusts18 km/h
UV index6 – High
Chance of rain17%
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
Sunday 11/10
Showers
+21°
+17°
2.4 mm
Wind20 km/h S
Gusts26 km/h
UV index4 – Moderate
Chance of rain—
Sunrise07:11
Sunset18:30
About Istanbul
Metropole zwischen Europa und Asien am Bosporus.
CountryTurkey
RegionMarmararegion
ContinentAsia
Time zoneEurope/Istanbul (+03:00)
Latitude41.0082°
Longitude28.9784°
Air qualityGood (EAQI 19)
Climate in Istanbul in December
Normals 8 years · best time to visit · Open-MeteoBest time to visit Istanbul: April–October. With poor weather, December is a possible month to visit.
| November | December | January | |
|---|---|---|---|
| Average temperature | ▼ 13°C | 9°C | ▼ 7°C |
| Highest temperature | ▼ 17°C | 12°C | ▼ 10°C |
| Lowest temperature | ▼ 10°C | 7°C | ▼ 4°C |
| Sea temperature | ▼ 16,3°C | 13,0°C | ▼ 10,2°C |
| Precipitation | ▲ 84 mm | 91 mm | ▲ 97 mm |
| Days with precipitation | ▲ 9 d | 13 d | ▼ 12 d |
| Humidity | ▲ 77% | 82% | ▼ 80% |
| Sunshine hours per day | ▼ 6,9 h | 5,3 h | ▲ 5,5 h |
| Cloud cover | ▲ 30% | 43% | → 43% |
| UV index (midday) | ▼ 3 | 2 | ▲ 3 |
| Day length | 9:54 | 9:17 | 9:37 |
| Our rating | Acceptable | Poor | Poor |
Temperature day by day in December mean + moving average
Precipitation day by day in December mm
UV index day by day in December 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: +18°, cloudy, wind 12 km/h. Over the next 7 days temperatures range between 16 and 22 °C and 52 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.