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Istanbul weather

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The weather map: all three models at once

European, American, German side by side around Istanbul and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to Istanbul? Istanbul, Turkey, sits at 41.0°N in a temperate climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Istanbul right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.

Best time to visit Istanbul

The most comfortable time to visit Istanbul is usually April, May and October, when daytime highs sit in the pleasant 16-26°C range and the heaviest November rain is behind you.

Istanbul weather by month

what to expect in Istanbul through the year

Here is Istanbul's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Istanbul by season.

Jan
11°
Cool
Feb
11°
Cool
Mar
13°
Cool
Apr
18°
10°
Mild
May
20°
12°
Mild
Jun
27°
19°
Warm
Jul
31°
22°
Hot
Aug
30°
22°
Hot
Sep
27°
19°
Warm
Oct
22°
14°
Warm
Nov
16°
11°
Mild
Wettest
Dec
12°
Cool

Common questions

When is the best time to visit Istanbul?
The most comfortable time to visit Istanbul is usually April, May and October, when daytime highs sit in the pleasant 16-26°C range and the heaviest November rain is behind you.
Will it rain in Istanbul during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for Istanbul - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for Istanbul?
For destinations abroad we compare the three global models (ECMWF, GFS and ICON) that nearly every weather app quietly builds on. No single app tells you when they disagree - we do, so you can judge the confidence yourself.

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