**Recent onshore flow and a strengthening marine layer are moderating temperatures after a prolonged Southern California heat wave, positioning upper-70s to low-80s readings as the most likely peak for Los Angeles on August 31.** Official forecasts from sources including WeatherBug, Met Office, and local model ensembles project daily highs in the upper 70s to mid-80s at key stations such as Los Angeles International Airport, with morning low clouds and fog giving way to sunny conditions and a sea breeze limiting further warming. Historical climatology shows an average high near 77°F for the date, and the current setup aligns with post-heatwave cooling patterns where marine influence typically caps coastal and basin maxima. Trader consensus reflected in the 49% probability on 78-79°F, alongside notable shares for 76-77°F and 80-81°F, tracks this model agreement and the narrow expected range, with only low odds assigned to outliers above 82°F or below 76°F absent unexpected shifts in wind or cloud cover. New NWS forecast updates or model runs in the next 24–48 hours will provide the final inputs before resolution.