Official National Weather Service observations at Miami International Airport recorded a daily maximum of 86–87°F on June 6, 2026, driving the market’s near-certain consensus on that bracket. Easterly post-frontal flow, scattered cloud cover, and a sea-breeze circulation capped afternoon heating several degrees below the early-June climatological normal near 89°F, consistent with model guidance and nearby station reports showing highs of 85°F the prior day. This outcome aligns with typical June atmospheric patterns in South Florida, where moisture and onshore winds routinely limit extremes. A shift to clearer skies and stronger insolation could have pushed readings into the upper 80s, but current conditions provided little scope for such deviation before resolution.