In the first week, Istanbul can expect around 13–16 °C with 0 wet days (at least 1 mm). Warmest day: Sunday (1 Nov) at 19 °C; coldest night: Saturday (31 Oct) at 12 °C.
Weather models are reliable for the first few days, but small errors grow over time. That is why every day on this page is marked: days 1–3 are reliable, days 4–7 moderately so, and from day 8 onwards the forecast shows the direction of travel – a warmer or cooler spell, a wetter period – rather than the exact temperature of a given day.
In the first week, Istanbul can expect around 13–16 °C with 0 wet days (at least 1 mm). Warmest day: Sunday (1 Nov) at 19 °C; coldest night: Saturday (31 Oct) at 12 °C.
The current forecast shows no day with more than 1 mm of rain in the next 3 days. The second week can still change, so check back.
Days 1–3 are usually reliable and days 4–7 moderately so. Beyond that the forecast shows the trend rather than exact daily values — check back each day.
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