Istanbul, Turkey Weather

Istanbul,  Weather
(Photo by Anna Berdnik on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Mainly Clear

Pressure: 1,016 hPa

Feel like: 21 °C

Temperature: 20°C

Cloud: 0%

Humidity: 84%

Wind: NNE - 8 km/h

Visibility: 28.54 km

Weather forecast

Sun
21 Jun
19°C / 28°C
Mainly Clear
Mon
22 Jun
19°C / 28°C
Partly Cloudy
Tue
23 Jun
19°C / 31°C
Clear Sky
Wed
24 Jun
20°C / 29°C
Mainly Clear
Thu
25 Jun
18°C / 33°C
Mainly Clear
Hourly forecast today:
22:00 PM
17° / 20°
17° / 20°
Mainly Clear
84% 14 km/h
23:00 PM
17° / 19°
17° / 19°
Mainly Clear
87% 14 km/h
00:00 AM
17° / 19°
17° / 19°
Mainly Clear
88% 14 km/h
01:00 AM
17° / 19°
17° / 19°
Partly Cloudy
90% 16 km/h
02:00 AM
17° / 19°
17° / 19°
Mainly Clear
90% 17 km/h
03:00 AM
17° / 19°
17° / 19°
Mainly Clear
90% 18 km/h
04:00 AM
17° / 20°
17° / 20°
Mainly Clear
86% 18 km/h
05:00 AM
18° / 21°
18° / 21°
Partly Cloudy
81% 19 km/h
06:00 AM
17° / 23°
17° / 23°
Mainly Clear
72% 19 km/h
07:00 AM
17° / 24°
17° / 24°
Mainly Clear
62% 20 km/h
08:00 AM
15° / 26°
15° / 26°
Clear Sky
50% 25 km/h

30 Day Averages and Extremes

  • Average high 25.97°C
  • Average low 18.03°C
  • Hottest day 33°C (25 June 2026)
  • Coldest day 0°C (04 July 2026)
  • Average humidity 61.97%
  • Days with precipitation 7 days
  • Highest precipitation 6 mm (12 June 2026)

Yesterday's Data

  • Max: 26°C
  • Min: 19°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 very hot weather in Istanbul, with the high temperatures above 28ºC (82.4ºF), consider wearing:
- Open-toed sandals or light sneakers
- Lightweight t-shirt or tank top
- Loose and airy fabrics like linen or cotton
- Wide-brimmed sun hat

Temperature

Early
16°C / 19°C
Morning
14°C / 25°C
Afternoon
12°C / 25°C
Evening
17°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 440
  • CO 146
  • NH3 0
  • NO2 18
  • O3 63
  • PM10 10
  • PM25 7
  • SO2 2
  • CH4 1,624

Sunrise / Sunset

02:32
17:39