Istanbul, Turkey Weather

  1. Istanbul, Turkey Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Istanbul over the next 12 hours
  7. Temperature and possibility of rain in Istanbul in the coming days
  8. Rainfall in Istanbul in the coming days
  9. Istanbul Weather Summary
  10. Weather averages by month
  11. Istanbul's weather
  12. Frequently asked questions
  13. Comments
Istanbul, Weather
(Photo by Anna Berdnik on Unsplash)

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Clear Sky

Pressure: 1,010 hPa

Feel like: 25 °C

Temperature: 21°C

Cloud: 0%

Humidity: 88%

Wind: N - 3 km/h

Visibility: 23.44 km

Weather forecast

Wed
05 Aug
22°C / 29°C
Partly Cloudy
Thu
06 Aug
22°C / 28°C
Overcast
Fri
07 Aug
21°C / 31°C
Overcast
Sat
08 Aug
23°C / 26°C
Partly Cloudy
Sun
09 Aug
22°C / 28°C
Partly Cloudy
Hourly forecast today:
03:00 AM
19° / 21°
19° / 21°
Clear Sky
88% 5 km/h
04:00 AM
19° / 22°
19° / 22°
Clear Sky
88% 5 km/h
05:00 AM
20° / 23°
20° / 23°
Clear Sky
84% 8 km/h
06:00 AM
20° / 24°
20° / 24°
Clear Sky
77% 11 km/h
07:00 AM
20° / 26°
20° / 26°
Clear Sky
66% 14 km/h
08:00 AM
18° / 28°
18° / 28°
Clear Sky
55% 16 km/h
09:00 AM
16° / 29°
16° / 29°
Clear Sky
45% 21 km/h
10:00 AM
15° / 30°
15° / 30°
Clear Sky
39% 27 km/h
11:00 AM
14° / 31°
14° / 31°
Clear Sky
35% 29 km/h
12:00 PM
14° / 31°
14° / 31°
Clear Sky
35% 31 km/h
13:00 PM
14° / 31°
14° / 31°
Clear Sky
35% 32 km/h

30 Day Averages and Extremes

  • Average high 27.3°C
  • Average low 20.6°C
  • Hottest day 32°C (21 July 2026)
  • Coldest day 0°C (18 August 2026)
  • Average humidity 64.27%
  • Days with precipitation 11 days
  • Highest precipitation 12 mm (24 July 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 21°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

Istanbul's weather

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 very hot weather in Istanbul, with the high temperatures above 30ºC (86.0ºF), consider wearing:
- Airy sandals or flip-flops
- Light, natural fabrics (like cotton or linen)
- Ultra-thin, breathable socks
- UV-blocking sunglasses

Temperature

Early
19°C / 21°C
Morning
16°C / 29°C
Afternoon
15°C / 30°C
Evening
19°C / 24°C

Air quality

Moderate

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

  • CO2 449
  • CO 178
  • NH3 0
  • NO2 29
  • O3 47
  • PM10 19
  • PM25 14
  • SO2 6
  • CH4 1,944

Sunrise / Sunset

03:03
17:16