Current National Weather Service and ensemble model guidance points to a highest temperature in the low-to-mid 80s °F for Los Angeles on September 30, driven by moderate onshore flow, a shallow marine layer that may limit morning sunshine, and weak high pressure promoting subsidence warming. Late-September climatology favors highs near 75 °F, yet the recent warm anomaly across Southern California and variable low-level winds introduce spread across forecast runs. Traders therefore assign roughly equal weight to bins spanning the upper 70s through mid-80s, with lower probabilities on the cooler or hotter extremes that would require a stronger marine push or offshore flow to materialize before the daily maximum is reached.