A persistent warm ridge of high pressure over the Rockies drove above-average temperatures across Denver in early October 2026, with National Weather Service observations confirming a maximum of 87°F on October 6. This tied the daily record previously set in 1975 and 2020, well above the 1991–2020 normal high of 70°F, as light winds and mostly clear skies allowed strong daytime heating. Official climatological reports from NWS Denver/Boulder, along with consistent station data, established the reading with high confidence. Trader consensus at 100% for 86–87°F reflects this verified outcome. Only a significant revision to official records or an undetected microclimate discrepancy at the primary reporting site could alter resolution.