Trader consensus on Polymarket reflects deep uncertainty in National Weather Service forecasts for downtown Los Angeles' highest temperature on April 8, with evenly split implied probabilities between an unusually cool 57°F or below (50%)—tied to persistent coastal marine layer stratus and onshore flow—and a hot 76°F or higher (50%), driven by potential high-pressure ridging amplifying downslope warming. Mid-range bins like 70-75°F (48.5%) capture normal April climatology around 72°F at USC, but divergent GFS and ECMWF ensembles show spreads from low 60s to upper 70s amid ENSO-neutral transition favoring above-normal Southern California heat. Key differentiators include stratus burn-off timing and wind shifts; monitor daily NWS updates and GOES satellite imagery for marine layer evolution through April 6-7 resolution window.