Recent National Weather Service and model guidance for Denver points to overnight lows in the lower-to-mid 60s on August 23, with the market’s tightly bunched leading bins (64–67 °F) reflecting that consensus. Persistent cloud cover, scattered showers, and light southerly flow are limiting nocturnal radiative cooling and holding minimum temperatures above seasonal normals. Subtle differences among the 64–65, 66–67, and 68–69 °F outcomes hinge on forecast details such as the timing and coverage of any clearing, exact dew-point depression, and wind speeds overnight; stronger mixing or earlier clearing favors the lower end of the range, while continued cloudiness pushes readings toward the upper side. Historical August lows average near 57 °F, so current conditions represent a notably warmer regime driven by the ongoing warm, moist airmass. Updated model runs and NWS forecast discussions expected through the evening will provide the next key data points for traders.