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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Istanbul’s weather today, as shown in the live forecast above, sits around a mild range with partly cloudy skies. The city experiences a transitional climate, with cool, wet winters and warm, humid summers, making spring and autumn the most comfortable seasons for visitors.
What is the typical temperature range in Istanbul?
Istanbul’s climate is classified as humid subtropical, with distinct seasonal shifts. Summer highs (June–August) average 28–32°C, often feeling hotter due to humidity. Winter lows (December–February) hover around 3–8°C, with occasional frost and snow. Spring and autumn see pleasant averages of 12–22°C, ideal for exploring the city.
How does the weather vary by month?
For those checking istanbul weather by month, January is the coldest, with average lows near 3°C and frequent rain. July is the hottest, with highs around 30°C and low rainfall. The wettest months are December and January, while July and August are driest. For istanbul weather in january, expect chilly, damp conditions; for istanbul weather december, similar cool and wet patterns prevail.
Can I get a longer-range forecast for Istanbul?
Yes, many services provide istanbul weather 14 days and weather istanbul 30 days outlooks, though accuracy decreases beyond 10 days. For reliable planning, check istanbul weather 10 days or istanbul weather 15 days forecasts from the Turkish State Meteorological Service. For shorter trips, istanbul weather 10 days is usually sufficient.
What is the best time to visit Istanbul for good weather?
Late spring (May–June) and early autumn (September–October) offer the most comfortable conditions, with mild temperatures around 18–25°C, lower humidity, and less rain than winter.
Does Istanbul get snow in winter?
Yes, snow occurs occasionally, usually in January or February, but it rarely settles for more than a few days. Average winter temperatures hover above freezing, so snow is not guaranteed every year.
How accurate are 30-day forecasts for Istanbul?
30-day forecasts provide general trends (e.g., warmer or cooler than average) but are not reliable for daily specifics. For precise planning, use a 7–10 day forecast from the official Turkish State Meteorological Service.
For Australian comparisons, see our Australia weather hub or check Melbourne Weather and Sydney Weather. For extended outlooks, visit Weather 10 Days.