Updated National Weather Service guidance and ensemble models indicate Atlanta highs on August 2 will likely reach the mid-to-upper 80s, with scattered showers and thunderstorms introducing cloud cover that caps solar heating and reduces peak readings from seasonal norms near 88°F. High humidity and potential afternoon convection—common in late-summer Southeast patterns—further moderate maximum temperatures by enhancing evaporative cooling and limiting boundary-layer mixing. The tight clustering of market probabilities around 84–89°F reflects this forecast uncertainty, where small differences in storm timing or coverage could shift the daily high by 2–4°F; drier conditions would favor the upper end of that range, while earlier or heavier rainfall would support the lower bins.