Latest National Weather Service and ensemble model guidance for August 4, 2026, favors a daily maximum in the low- to mid-80s°F over Central Park, driven by moderate southerly flow, partly cloudy skies, and dew points in the upper 60s that limit extreme heating despite the broader above-average August outlook. This aligns with climatological norms near 83°F while reflecting recent model consensus that has held steady over the past 48 hours without signals of stronger ridging or moisture advection that could push readings into the upper 80s. Traders’ emphasis on the 84–85°F bin reflects these deterministic runs and historical verification tendencies for similar late-summer setups, with lower probabilities assigned to 90°F+ outcomes given the absence of heat-wave indicators in the 6–10 day CPC guidance. Official NWS observations will resolve the market once August 4 data are finalized.