Official National Weather Service observations from Los Angeles International Airport recorded a minimum temperature of 67°F on September 6, 2026, directly supporting the market's near-certain consensus on the 66-67°F outcome. This value, measured at 8:42 AM local time, aligned with model guidance and exceeded the 1991-2020 climatological normal low of 65°F by 2°F amid typical late-summer marine layer influence and light onshore flow. Trader positioning reflects high confidence in these authoritative station data, which serve as the resolution benchmark, though minor uncertainty remains around precise measurement timing or microsite variations that could theoretically shift the reading by 1°F.