Weekend Weather Forecast - Istanbul

Weekend weather in Istanbul. Saturday high 27°C (81°F). Sunday high 25°C (77°F).

Weekend Hourly Forecast

Fri·11 Sep
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Temperature · peaks at +27°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
Sat12 Sep
Sun13 Sep
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Temperature · peaks at +24°C

Weekend Activity Outlook

Travel / Drive
Rating
Fair
Reason
Best window: Morning — allow extra time
Outdoor Sports
Rating
Fair
Reason
Playable but conditions are tricky
Home / Laundry
Rating
Fair
Reason
Partial drying — use indoor racks too
Outdoor Events
Rating
Fair
Reason
Carry contingency plans

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Istanbul is forecast to reach a high of 27°C this weekend, with an overnight low around 19°C. That's 2° above the long-term average high of 25°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 a gentle breeze averaging 18 km/h. Air quality is currently good (AQI 41), 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.