**Marine layer moderation and onshore flow are anchoring the highest temperature in Los Angeles on July 29 near 78–81°F, aligning with the market's strongest implied probabilities (78–79°F at 40.5%, 80–81°F at 28.0%, and 76–77°F at 24.0%).** Official National Weather Service guidance and ensemble model runs indicate a persistent marine layer and light westerly winds limiting daytime heating along the coast, producing highs clustered in the upper 70s to low 80s rather than the seasonal average near 83–85°F. Recent model updates have shown minimal warming trends or offshore flow that would push readings into the mid-80s or higher, keeping the 82°F+ bins at just 12–15% combined. This consensus reflects typical late-July coastal climatology, where stratus and sea breezes cap temperatures unless a strong high-pressure ridge or Santa Ana conditions develop—neither of which is forecast through the next 48 hours. Traders are thus pricing in the most likely range supported by current observational trends and short-range guidance, with resolution hinging on the official high reported for the primary Los Angeles station.