**Forecast consensus points to a high in the mid-to-upper 70s°F for Dallas on October 3, 2026, with showers likely moderating daytime heating.** Official National Weather Service guidance from the Fort Worth office shows highs of 77–78°F under mostly cloudy skies and a 60–70% chance of showers, while other models range from 73–78°F. This aligns closely with the market’s tight clustering around 72–77°F (collectively over 95% implied probability). Key drivers include persistent cloud cover and precipitation following heavy thunderstorms on October 1–2, which limit solar heating and enhance evaporative cooling. Northerly to northeasterly winds behind the frontal passage advect slightly cooler, more stable air, keeping temperatures below the seasonal average high near 79°F. Model spread arises mainly from differences in shower timing and coverage—earlier or heavier rain favors the lower end (72–73°F), while partial clearing could push readings toward 76–77°F. Traders appear to weigh the strong agreement across NWS, GFS-influenced, and ensemble guidance, with limited upside potential absent rapid clearing. Updated forecast discussions or radar trends through October 2 could refine the exact maximum before resolution.