PAGASA’s official forecast, projecting a 35°C daily maximum for Manila on May 16 under a strengthening high-pressure ridge over the South China Sea, anchors the near-certain 99.9% market-implied odds for that outcome. This aligns with May climatology, when typical afternoon peaks reach 33–34°C amid high humidity and limited cloud cover, though recent model runs show minimal afternoon convection that could cap temperatures precisely at the 35°C threshold. Real-time PAGASA station data will resolve the market at day’s end, and traders assign only negligible probability to deviations because historical analogs and ensemble guidance indicate low risk of either rapid cooling from unexpected showers or intensification beyond the forecast.