**Marine layer and persistent onshore flow from the Pacific are anchoring moderate temperatures in the mid-70s for Los Angeles on August 4, 2026.** National Weather Service forecasts for the period show daily highs near 77–80 °F under mostly sunny skies after morning low clouds and patchy fog clear, consistent with typical early-August climatology along the coast. These conditions limit daytime heating compared with inland valleys, keeping the official high (likely measured at stations such as Los Angeles International Airport or downtown) clustered around 75–77 °F. Longer-range guidance and seasonal outlooks indicate above-average temperatures for the month overall, yet no strong offshore wind or heat-dome setup has developed to push readings into the upper 80s. Model consensus favors continued southwesterly flow that reinforces the marine influence, reducing the chance of significant warming. Traders have therefore concentrated probability on the 74–77 °F bins, reflecting the latest short-range guidance and the low likelihood of rapid pattern changes before the measurement period ends. New model runs or an unexpected shift in the marine layer depth could still adjust the final outcome within the narrow implied-probability range.