Recent National Weather Service and NOAA forecast models position 88–89°F as the leading outcome for Miami’s October 13 high, reflecting a stable subtropical ridge and light easterly flow that limits afternoon heating while maintaining typical late-season moisture. This range aligns with climatological normals for mid-October, when daily highs average near 86–88°F, and current model consensus shows minimal deviation from guidance issued in the past 24–48 hours. Shorter-range ensembles indicate low probability of stronger warming or a reinforcing cold front, keeping the 90–91°F and 86–87°F bins as secondary possibilities. Traders monitor the next model update cycle for any shifts in boundary-layer temperatures or wind direction that could alter the expected peak.