High humidity, frequent convective clouds, and scattered showers during Panama's wet season are the dominant controls on overnight radiative cooling in Panama City, keeping minimum temperatures clustered near the 24–27°C climatological range. Current model guidance points to mostly cloudy conditions with light winds and a 26–27°C floor for August 23, limiting the potential for stronger cooling while also capping extreme warmth. Clearer intervals or reduced nocturnal rainfall could allow mins to dip toward 23°C or below by enhancing longwave heat loss, whereas persistent cloud cover or heavy showers would sustain higher readings near 27–28°C. Traders weigh these local energy-balance factors against ensemble spread in short-range forecasts, producing the tight clustering around mid-20s outcomes.