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:
19°C
66.2°F
°C °F

Condition: Overcast

Pressure: 1,013 hPa

Feel like: 21 °C

Temperature: 19°C

Cloud: 88%

Humidity: 86%

Wind: NNE - 5 km/h

Visibility: 25.6 km

Weather forecast

Sat
20 Jun
19°C / 28°C
Mainly Clear
Sun
21 Jun
19°C / 27°C
Mainly Clear
Mon
22 Jun
19°C / 27°C
Partly Cloudy
Tue
23 Jun
20°C / 29°C
Mainly Clear
Wed
24 Jun
19°C / 30°C
Mainly Clear
Hourly forecast today:
22:00 PM
17° / 19°
17° / 19°
Overcast
86% 9 km/h
23:00 PM
17° / 19°
17° / 19°
Overcast
86% 9 km/h
00:00 AM
17° / 19°
17° / 19°
Overcast
86% 12 km/h
01:00 AM
16° / 19°
16° / 19°
Overcast
85% 15 km/h
02:00 AM
16° / 19°
16° / 19°
Overcast
85% 14 km/h
03:00 AM
16° / 19°
16° / 19°
Overcast
85% 16 km/h
04:00 AM
16° / 19°
16° / 19°
Partly Cloudy
82% 18 km/h
05:00 AM
16° / 20°
16° / 20°
Partly Cloudy
76% 25 km/h
06:00 AM
16° / 22°
16° / 22°
Partly Cloudy
70% 29 km/h
07:00 AM
16° / 23°
16° / 23°
Partly Cloudy
64% 30 km/h
08:00 AM
15° / 24°
15° / 24°
Partly Cloudy
56% 32 km/h

30 Day Averages and Extremes

  • Average high 25.83°C
  • Average low 18.03°C
  • Hottest day 32°C (25 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 62.77%
  • Days with precipitation 7 days
  • Highest precipitation 6 mm (12 June 2026)

Yesterday's Data

  • Max: 23°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

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 26ºC (78.8ºF), consider wearing:
- Wide-brimmed sun hat
- Thin, moisture-wicking socks
- UV-protective sunglasses
- Loose and airy fabrics like linen or cotton

Temperature

Early
16°C / 19°C
Morning
14°C / 23°C
Afternoon
14°C / 22°C
Evening
17°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 126
  • NH3 0
  • NO2 16
  • O3 62
  • PM10 13
  • PM25 7
  • SO2 2
  • CH4 1,594

Sunrise / Sunset

02:31
17:39