Istanbul weather live forecast

Today's maximum temperature in Istanbul is expected to be 29°C. Select a day from the live weather forecast for Istanbul, Turkey for more weather parameters.

5-day weather forecast updated at 04:01 on Monday 1st September 2025 GMT

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The 5-day weather forecast for Turkey (Istanbul) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Istanbul weather forecast by day

Below are the detailed weather forecasts for Istanbul for the next 5 days.

Istanbul weather for Monday 1st September 2025

Expect scattered clouds in Istanbul, Turkey with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

  • 29°C maximum temperature29
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the North10
    kph wind from N

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Istanbul weather for Tuesday 2nd September 2025

Expect clear skies in Istanbul, Turkey with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north.

  • 30°C maximum temperature30
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 21 kph from the North21
    kph wind from N

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Istanbul weather for Wednesday 3rd September 2025

Expect scattered clouds in Istanbul, Turkey with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-east.

  • 31°C maximum temperature31
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 25 kph from the North-East25
    kph wind from NE

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Istanbul weather for Thursday 4th September 2025

Expect broken clouds in Istanbul, Turkey with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 27 kph from the North-East27
    kph wind from NE

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Istanbul weather for Friday 5th September 2025

Expect isolated thunderstorms in Istanbul, Turkey with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 15% chance of some rain and a moderate breeze of 23 kph from the north-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 15% chance of some rain15
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 23 kph from the North-East23
    kph wind from NE

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Metric (°C / mm)  |  Imperial (°F / inches)

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