Today's Weather Forecast - Istanbul

Today's weather in Istanbul. high 27°C (81°F), low 21°C (70°F). Mainly Clear.

Today’s Hourly Weather Outlook

Morning6 AM – Noon23°
Wind speed
17 km/h
Rain probability
0%
AfternoonNoon – 6 PM27°
Wind speed
23 km/h
Rain probability
0%
Evening6 PM – Midn23°
Wind speed
22 km/h
Rain probability
0%
NightMidn – 6 AM21°
Wind speed
9 km/h
Rain probability
0%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:10 AM
Total Daylight
73% of day elapsedSolar noon 1:00 PM
Sunset
Dusk 7:50 PM
Remaining3h 26m
Solar elevation37°
vs yesterday-4 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Istanbul (Aksaray), Turkey
PM2.5
40μg/m³
PM10
24μg/m³
O₃
12.2ppb
NO₂
20.6ppb
SO₂
7.7ppb
CO
7.2ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Istanbul is forecast to reach a high of 27°C today, with an overnight low around 21°C. That's 1° above the long-term average high of 26°C for this time of year. It continues a recent pattern — 13 of the last 19 days with published data have run warmer than normal. Expect little chance of rain (0% probability) and moderate breezes averaging 23 km/h. Air quality is currently good (AQI 36), with no notable outdoor health concerns.

Today vs Normal

27°C+1° above normal

The long-term average high for today is 26°C.

13 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 30°C30°2026-08-20: 30°C30°2026-08-21: 29°C29°2026-08-22: 31°C31°2026-08-23: 32°C32°2026-08-24: 30°C30°2026-08-25: 30°C30°2026-08-26: 31°C31°2026-08-27: 30°C30°2026-08-28: 26°C26°2026-08-29: 27°C27°2026-08-30: 29°C29°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.