Trader consensus on Polymarket reflects high uncertainty in short-range forecasts for Seoul's highest temperature on April 7, with Korea Meteorological Administration (KMA) and global models like ECMWF and GFS ensembles diverging sharply—some projecting persistent cloud cover and cool northerly flows keeping highs near or below 10°C, while others anticipate post-rain clearing under a developing high-pressure ridge pushing toward 15°C or higher. Recent rain and gusty winds from a low-pressure system over the Korean Peninsula since April 3 have suppressed daytime heating, aligning with historical early-April variability when frontal passages introduce cold air from Siberia amid spring transition. Key differentiators include jet stream positioning and precipitation fade-out timing; watch KMA's next 24-hour update for refined guidance on cloud breaks and boundary layer recovery.