Busan’s coastal location on the Korea Strait introduces moderating sea breezes that typically limit daytime maxima during early July’s East Asian monsoon regime. Current short-range forecasts from regional models indicate highs near 27–29 °C on July 7, with scattered showers and variable cloud cover expected to cap peaks unless clearer intervals allow stronger insolation. Trader consensus clusters around 30–31 °C because ensemble spreads still permit modest warming from southerly flow or delayed precipitation, while historical climatology for early July shows a narrow 26–30 °C envelope. Resolution hinges on the official Korea Meteorological Administration daily maximum, making small shifts in timing of monsoon moisture the dominant uncertainty.