Recent forecasts from multiple models indicate a high of 24–26°C in Istanbul on October 10 under clear skies, light southerly winds, and stable high pressure, aligning with the closely matched market-implied odds around those thresholds. Subsidence associated with the ridge suppresses cloud formation and enhances daytime heating, while the seasonal solar angle and low humidity support efficient warming without exceeding typical early-autumn maxima. Minor model spread arises from slight differences in boundary-layer mixing and wind direction, which could shift the peak by 1°C depending on the exact timing of maximum insolation. Updated guidance from agencies like the Turkish State Meteorological Service will refine these details ahead of resolution.