**Trader consensus for the highest temperature in Los Angeles on September 2, 2026, centers on the narrow 76–79°F range (83% combined probability), with 78–79°F edging out 76–77°F.** This reflects National Weather Service zone forecasts and private model guidance pointing to sunny conditions under persistent onshore flow, producing daytime highs near or slightly above the early-September climatological average of ~77°F at key stations. Primary scientific drivers include the marine layer and sea-breeze circulation typical of late summer in the Los Angeles basin. Southwest winds of 10–15 mph advect cooler Pacific air inland, moderating maximum temperatures even as high pressure supports clear skies and strong solar heating. Ensemble and deterministic runs show afternoon peaks clustered in the upper 70s to low 80s inland (downtown/LA basin stations), with beaches and LAX-area readings several degrees cooler due to proximity to the ocean. Recent days have followed this pattern, with highs around 82–85°F on August 31–September 1 before a slight easing. Model spread and microclimate effects create the tight bracket between 76–77°F and 78–79°F; small shifts in wind timing or boundary-layer mixing could tip the official daily maximum either way. Higher outcomes (80°F+) carry low probability because no offshore Santa Ana flow or anomalous warming is indicated in current guidance. Updated NWS point forecasts and morning model runs on September 1–2 will be the key catalysts for any late adjustments before resolution.