**Current forecasts for Panama City, Panama, point to an overnight low near 25°C on September 2, consistent with the September climatological average minimum of about 24°C.** High humidity, frequent showers, and extensive cloud cover—driven by the Intertropical Convergence Zone and typical rainy-season patterns—limit nocturnal radiative cooling and keep dew points elevated, preventing temperatures from falling sharply. Model consensus shows daytime highs around 28–30°C transitioning to nighttime values of 24–25°C under partly to mostly cloudy skies with scattered thunderstorms. Light to moderate winds from the northwest or north provide minimal advection of cooler air. These conditions strongly favor outcomes clustered around 25–26°C, explaining the 46% implied probability on 26°C. A drop to 19°C or below (43% implied) would require an atypical surge of drier, cooler air or unusually clear skies allowing strong longwave radiation loss—scenarios with low historical precedent in early September. The tight contest between these leading outcomes reflects trader focus on forecast uncertainty in cloud/rain timing and any last-minute model shifts ahead of the event, rather than expectations of extreme cooling. Updated NWP runs and local observations over the next 48 hours will be the key catalysts.