Recent National Weather Service guidance and ensemble model runs highlight an approaching cold front delivering northerly winds, persistent cloud cover, and scattered showers that limit daytime heating and cap maximum temperatures in Austin on October 3. This pattern follows several days of heavy rainfall and a sharp drop from prior upper-80s to low-90s readings, with forecast highs clustering between 76–81°F depending on the precise timing and coverage of precipitation. Traders assign the highest implied probabilities to the 78–81°F bins because these align with the consensus of official point forecasts and historical analogs for post-frontal early-October conditions, while lower-probability warmer outcomes would require clearer skies or delayed frontal arrival to allow greater solar insolation.