**Forecast consensus for Atlanta’s June 20 high centers on the mid-80s, with trader probabilities peaking at 86–87 °F (29.5 %) followed by 84–85 °F (21.5 %) and 88–89 °F (19.5 %).** Short-range guidance from NOAA and private models indicates a mild, mostly sunny to overcast pattern under modest southwesterly flow, supporting daytime maxima near the climatological mid-June average of ~85–87 °F. Limited moisture and weak subsidence suppress strong convective cooling or heating, keeping the expected range narrow. Ensemble spreads and minor differences in boundary-layer mixing or afternoon cloud timing explain the tight clustering among the three leading bins; a slightly stronger ridge or delayed cloud cover would push readings toward the upper end of that cluster, while earlier overcast or a light breeze would favor the lower end. No significant warm-air advection or heat-wave signal appears in the latest model runs, so probabilities remain anchored to routine June thermodynamics rather than anomalous conditions. Updated NWS forecast discussions and 12–18 UTC model cycles on June 19–20 will provide the final data points traders are watching before resolution.