Short-term forecasts from agencies like Taiwan's Central Weather Administration point to widespread cloud cover and scattered thunderstorms on June 15, limiting daytime heating and capping maximum temperatures near or slightly below the 30–32°C seasonal average. Model consensus highlights variable steering flows and monsoon moisture that could suppress peaks to 27–29°C depending on exact timing of convective activity, with limited model spread reflecting modest uncertainty. El Niño conditions, now established with positive Niño-3.4 anomalies, tilt the broader pattern toward warmer baselines, yet local factors such as humidity, wind, and rainfall timing differentiate the closely matched 27–29°C outcomes favored by traders. Updated model runs and official briefings over the next 24 hours will refine these thresholds ahead of resolution.