Recent National Weather Service and model guidance for Denver on August 29 points to an overnight low in the low-to-mid 60s°F, with forecasts ranging from roughly 58–68°F depending on cloud cover, wind speeds, and any evening thunderstorm activity. Partly to mostly cloudy skies and light southwesterly winds are expected to limit radiative cooling after highs near 90–94°F, while recent warm, dry conditions have produced typical late-summer diurnal ranges of 25–30°F at the city’s 5,280-foot elevation. The tight clustering of market-implied probabilities around the 66–69°F and 66–67°F bins reflects genuine model spread in minimum-temperature guidance rather than any single dominant driver, with lower-probability tails capturing the risk of clearer skies or enhanced mixing that could push readings a few degrees cooler or warmer.