Istanbul, Turkey Weather

Istanbul,  Weather
(Photo by Anna Berdnik on Unsplash)

Current conditions

Updated:
24°C
75.2°F
°C °F

Condition: Partly Cloudy

Pressure: 1,016 hPa

Feel like: 24 °C

Temperature: 24°C

Cloud: 73%

Humidity: 54%

Wind: NE - 11 km/h

Visibility: 40.64 km

Weather forecast

Sun
20 Sep
17°C / 26°C
Partly Cloudy
Mon
21 Sep
16°C / 19°C
Slight Rain
Tue
22 Sep
14°C / 16°C
Slight Rain Showers
Wed
23 Sep
14°C / 21°C
Mainly Clear
Thu
24 Sep
12°C / 25°C
Overcast
Hourly forecast today:
09:00 AM
14° / 24°
14° / 24°
Partly Cloudy
54% 20 km/h
10:00 AM
14° / 24°
14° / 24°
Overcast
51% 23 km/h
11:00 AM
14° / 25°
14° / 25°
Partly Cloudy
51% 25 km/h
12:00 PM
14° / 24°
14° / 24°
Overcast
51% 29 km/h
13:00 PM
14° / 24°
14° / 24°
Partly Cloudy
52% 31 km/h
14:00 PM
13° / 23°
13° / 23°
Clear Sky
51% 32 km/h
15:00 PM
12° / 22°
12° / 22°
Mainly Clear
51% 32 km/h
16:00 PM
14° / 21°
14° / 21°
Mainly Clear
62% 29 km/h
17:00 PM
14° / 20°
14° / 20°
Mainly Clear
68% 25 km/h
18:00 PM
13° / 20°
13° / 20°
Clear Sky
67% 17 km/h
19:00 PM
13° / 19°
13° / 19°
Clear Sky
69% 15 km/h

30 Day Averages and Extremes

  • Average high 22.83°C
  • Average low 16.77°C
  • Hottest day 29°C (04 September 2026)
  • Coldest day 0°C (03 October 2026)
  • Average humidity 70.13%
  • Days with precipitation 14 days
  • Highest precipitation 44 mm (22 September 2026)

Yesterday's Data

  • Max: 25°C
  • Min: 17°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Istanbul over the next 12 hours

Temperature and possibility of rain in Istanbul in the coming days

Rainfall in Istanbul in the coming days

Istanbul Climate Summary

Istanbul features a Mediterranean, hot summer (Köppen classification: Csa), with an average annual temperature of 16.97ºC (62.55ºF), which is about 2.01% higher than the national average for Turkey. Annually, the city experiences approximately 71.68 millimeters (2.82 inches) of rainfall, spread across 120.2 rainy days, accounting for 32.93% of the year.

Longitude 41.0082376
Latitude 28.9783589
Yearly high temperature 18.52ºC (65.34ºF)
Yearly low temperature 14.26ºC (57.67ºF)
Hottest month May 21.29ºC (70.32ºF)
Coldest month January 5.57ºC (42.03ºF)
Yearly precip 71.68mm (2.82in)
Days with rainfall 120.2 days (32.93%)
Driest month August (68.14%)
Wettest month October (71.63%)

Weather averages by month

Month High / Low (°C) Rain
January 8.67° / 5.57° 14.73 days
February 10.01° / 6.29° 13.55 days
March 12.29° / 7.8° 11.55 days
April 16.0° / 10.49° 10.91 days
May 21.29° / 15.58° 11.82 days
June 25.88° / 20.39° 8.55 days
July 28.11° / 22.76° 4.27 days
August 28.08° / 23.62° 2.91 days
September 25.08° / 21.04° 8.0 days
October 19.79° / 16.27° 11.82 days
November 15.9° / 12.96° 9.36 days
December 11.11° / 8.32° 12.73 days

Frequently asked questions

1. What is the hottest month in Istanbul?

May has the highest average monthly temperature (daily mean of 21.29ºC) and January are the coolest (daily mean of 5.57ºC).

2. What should I wear in Istanbul today?

For today's warm weather in Istanbul, with temperatures between 21ºC to 24ºC (69.8ºF to 75.2ºF), you might consider wearing:
- Sunglasses
- Sunscreen (if spending time outdoors)
- Sun hat or cap
- Comfortable sandals or sneakers

Temperature

Early
15°C / 17°C
Morning
14°C / 24°C
Afternoon
12°C / 22°C
Evening
13°C / 18°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 438
  • CO 174
  • NH3 0
  • NO2 7
  • O3 89
  • PM10 12
  • PM25 8
  • SO2 3
  • CH4 1,424

Sunrise / Sunset

03:49
16:04