Trader sentiment on Los Angeles' highest temperature March 25 tilts toward 88°F or higher at 17.5% implied probability, closely trailed by 82-83°F at 15.5%, reflecting model ensemble uncertainty from NOAA's GFS and ECMWF runs showing a high-pressure ridge potentially amplifying downslope warming while marine layer persistence caps extremes. Recent 00Z updates indicate 500mb heights 10-20 decameters above average, favoring 80s, but diurnally varying coastal advection and weak onshore flow differentiate outcomes—stronger subsidence boosts 88+ odds, while stratus decks favor sub-80°F bins like 72-73°F at 10%. Historical March maxima average 72°F, with rare 90°F outliers tied to similar ridging; watch 12Z NWS forecast for resolution cues.