**Current official forecasts from the National Weather Service and major models point to overnight lows in the lower 70s for Atlanta on August 31, 2026, aligning closely with the tightly bunched leading market outcomes (70–75°F capturing over 90% of implied probability).** A warm, moist airmass under weak high pressure and light southeast-to-variable winds is expected to limit radiational cooling overnight. High dew points near 70°F will further suppress temperature drops by reducing the potential for clear-sky heat loss. Mostly clear to partly cloudy skies are forecast, with any increase in cloud cover trapping additional longwave radiation and supporting the higher end of the range, while calmer conditions or brief clearing could allow modest cooling toward the lower bins. This pattern reflects the typical late-summer regime in the Southeast, where climatological average lows sit near 69–70°F but recent model runs have trended several degrees warmer due to the absence of frontal passages or drier air. Traders appear to be weighting the consensus NWS and GFS/ECMWF guidance showing 72–74°F, with the narrow spread among leading outcomes reflecting genuine uncertainty in exact nocturnal boundary-layer processes rather than divergent large-scale drivers. Updated model runs and evening observations on August 30 will provide the next key inputs for refinement.