Forecast models from NOAA and private services indicate Atlanta's August 7 high will likely fall in the upper 80s, reflecting typical late-summer high-pressure ridging across the Southeast combined with elevated humidity and modest afternoon convection. Ensemble guidance shows daytime peaks near the 89°F climatological average, with scattered thunderstorms potentially limiting insolation and capping the maximum. The tight clustering of market-implied odds between 86–89°F captures remaining uncertainty in storm timing and cloud cover, which can shift observed highs by 2–3°F. Updated short-range model runs and National Weather Service briefings tomorrow morning will provide the final guidance ahead of resolution.