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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for today’s Istanbul conditions. The city’s weather varies sharply by season, so knowing the current temperature and precipitation odds helps you plan outdoor visits, from the Grand Bazaar to the Bosphorus.
What is the typical climate in Istanbul across the year?
Istanbul sits in a transitional zone between Mediterranean and humid subtropical climates, giving it warm, humid summers and cool, often wet winters. Daytime highs range from 8–10°C in January to around 28–30°C in July and August. Rainfall is most frequent from November through March, with snow possible but rarely heavy.
How does the weather change month by month?
January and February are the coldest months, with average lows near 3°C and frequent rain or sleet. By April, temperatures rise to 15–18°C, and spring is mild but showery. Summer (June–August) is dry and hot, with humidity often making it feel warmer. Autumn brings a gradual cooling and increasing rain from October onward. For long-range planning, check 10 Day Weather Forecast UK references or local forecasts for istanbul weather 15 days and weather istanbul 30 days outlooks.
What is the weather like in Istanbul in February?
February remains cold and damp, with highs of 8–10°C and lows near 3°C. Rain is common, and snow occurs on a few days. Pack layers, a waterproof coat, and sturdy shoes for istanbul weather february trips.
Is December a good time to visit Istanbul?
December is chilly and wet, with highs around 12°C and frequent rain. It’s quieter for tourism, and indoor attractions like museums are pleasant. Bring warm, waterproof clothing if you plan to explore istanbul weather december conditions.
How reliable are 14-day and 10-day forecasts for Istanbul?
Medium-range forecasts (10–14 days) give a general trend but become less accurate beyond 7 days. For short breaks, check the live forecast above and a weather in istanbul 10 days outlook, then re-check closer to travel. Istanbul weather 14 days and istanbul weather 15 days projections help with packing, not precise timing.
Sources
For UK city comparisons, visit our UK weather hub or see Bristol Weather for a similar maritime climate.