**Trader sentiment for Denver's June 30 high temperature centers on the 90–93°F range (combined ~58.5% implied probability), consistent with late-June forecast guidance showing highs in the upper 80s to mid-90s amid a warm, stable high-pressure pattern.** National Weather Service and AccuWeather outlooks place the daily high near or slightly above seasonal normals (average late-June highs ~85–90°F), driven by southerly flow, downslope warming along the Front Range, and minimal cloud cover or precipitation expected. Recent days have featured actual highs of 94–97°F under similar conditions, supporting the market's tight clustering around 90–93°F as models converge on modest day-to-day variability from wind shifts or boundary-layer mixing. Lower-probability bins (e.g., 94–95°F at 11%) reflect residual uncertainty in peak heating if mixing is stronger or if any high clouds arrive, while sub-88°F outcomes remain discounted absent a stronger cool-air intrusion. The narrow spread between leading bins underscores genuine forecast uncertainty typical 24–48 hours out, where small changes in timing or local effects can shift the exact maximum by 2–4°F. Updated NWS model runs and evening briefings will provide the next key data points before resolution.