A building Western high-pressure ridge combined with record-warm near-shore Pacific waters is elevating early-August temperatures along the Southern California coast, though persistent marine influence and possible patchy fog or low clouds limit peak readings at official stations such as Los Angeles International Airport. National Weather Service guidance and ensemble models currently indicate afternoon highs in the upper 70s to low 80s on August 3, with light onshore flow and moderate humidity preventing stronger inland-style heating. Trader consensus clustering on the 76–79 °F bins reflects both historical climatology (early-August normals near 76 °F) and the narrow uncertainty band around whether the marine layer erodes enough for an 80 °F reading. New model runs and the evening marine-layer forecast issued August 2 will provide the final inputs before observations close the market.