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:
17°C
62.6°F
°C °F

Condition: Slight Rain Showers

Pressure: 1,008 hPa

Feel like: 15 °C

Temperature: 17°C

Cloud: 94%

Humidity: 88%

Wind: N - 20 km/h

Visibility: 22.3 km

Weather forecast

Thu
24 Sep
13°C / 22°C
Overcast
Fri
25 Sep
17°C / 23°C
Overcast
Sat
26 Sep
18°C / 23°C
Partly Cloudy
Sun
27 Sep
18°C / 23°C
Partly Cloudy
Mon
28 Sep
15°C / 22°C
Partly Cloudy
Hourly forecast today:
00:00 AM
15° / 17°
15° / 17°
Slight Rain Showers
88% 34 km/h
01:00 AM
14° / 16°
14° / 16°
Overcast
87% 36 km/h
02:00 AM
14° / 16°
14° / 16°
Overcast
88% 36 km/h
03:00 AM
13° / 16°
13° / 16°
Overcast
84% 37 km/h
04:00 AM
13° / 15°
13° / 15°
Slight Rain
83% 36 km/h
05:00 AM
13° / 16°
13° / 16°
Slight Rain Showers
83% 33 km/h
06:00 AM
12° / 16°
12° / 16°
Slight Rain Showers
81% 23 km/h
07:00 AM
13° / 15°
13° / 15°
Slight Rain
88% 25 km/h
08:00 AM
13° / 15°
13° / 15°
Moderate Rain
85% 30 km/h
09:00 AM
13° / 15°
13° / 15°
Slight Rain
85% 30 km/h
10:00 AM
12° / 15°
12° / 15°
Slight Rain
84% 29 km/h

30 Day Averages and Extremes

  • Average high 22.17°C
  • Average low 16.13°C
  • Hottest day 27°C (09 September 2026)
  • Coldest day 0°C (06 October 2026)
  • Average humidity 70.03%
  • Days with precipitation 16 days
  • Highest precipitation 68 mm (22 September 2026)

Yesterday's Data

  • Max: 17°C
  • Min: 13°C
  • Total Precipitation: 16 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 warm weather in Istanbul, with temperatures between 17ºC to 20ºC (62.6ºF to 68.0ºF), you might consider wearing:
- T-shirt or short-sleeve blouse
- Light, breathable socks
- Shorts or lightweight trousers
- Sunglasses

Temperature

Early
13°C / 16°C
Morning
13°C / 15°C
Afternoon
11°C / 15°C
Evening
10°C / 12°C

Air quality

Moderate

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

  • CO2 444
  • CO 189
  • NH3 0
  • NO2 13
  • O3 60
  • PM10 8
  • PM25 6
  • SO2 2
  • CH4 1,713

Sunrise / Sunset

03:53
15:58