**Forecast consensus points to a high in the mid-to-upper 80s°F for Denver on August 25, 2026, with National Weather Service guidance near 89°F and other models ranging 85–90°F under partly cloudy skies and a 20–40% chance of afternoon thunderstorms.** This clustering of market-implied probabilities around the 82–91°F buckets (each at 25%) reflects genuine uncertainty in the precise maximum rather than a single favored outcome. Key differentiating factors include the timing and coverage of convection, which can limit afternoon heating through cloud cover and evaporative cooling, versus clearer periods that allow stronger insolation and higher readings near or above 90°F. Steering winds, dew points in the low-to-mid 50s, and boundary-layer mixing will also modulate the peak, with historical late-August variability in the Front Range adding to the spread. Official updates from the NWS Denver-Boulder office and morning model runs on the 25th will be the primary near-term catalysts for any shifts in trader positioning.