Recent National Weather Service guidance and ensemble model runs indicate a highest temperature in Central Park on August 21 most likely in the upper 70s to low 80s°F, driven by increasing northeasterly flow and potential afternoon cloud cover or scattered showers that limit peak solar insolation and surface heating. These conditions contrast with clearer, warmer patterns earlier in the week, pulling probabilities toward the tightly bunched 76–81°F bins. Key differentiating factors include the precise timing and coverage of any convective activity—earlier or more extensive clouds would cap highs nearer 76–79°F, while delayed or limited precipitation could allow readings to reach 80–83°F—along with minor variations in boundary-layer moisture and 850-hPa temperatures across model solutions. Historical averages near 83°F provide context, but the current synoptic setup favors below-normal maxima.