**Recent forecast consensus from National Weather Service and private models places Chicago’s October 14 high firmly in the mid-to-upper 60s Fahrenheit.** A cold front moving through the region overnight Tuesday into Wednesday is shifting winds to the northeast, advecting cooler, more stable air and increasing cloud cover with a 40% chance of light showers—conditions that limit daytime solar heating and cap temperatures below the unusually warm readings seen earlier in the week. **This setup aligns closely with the market’s leading outcomes.** The 66-67°F bin holds the highest implied probability (42.5%), followed by 68-69°F (25.5%) and 64-65°F (25.0%), reflecting tight clustering around model guidance that shows highs near 66–68°F. Historical climatology for mid-October (average daily maximum around 64°F) provides additional context that these values sit slightly above normal but well below the 80°F+ readings of October 12–13. **Key variables that could still shift the outcome include the exact timing and strength of the front, cloud thickness, and any brief clearing that allows extra insolation.** With resolution occurring within hours, traders are weighting the latest NWS and ensemble guidance most heavily, producing the current tight distribution around the upper-60s range.