**Forecast consensus from the National Weather Service and multiple models places Houston’s October 5 high temperature in the mid-80s, with official guidance centering on 84°F under mostly sunny skies and northeast winds of 5–15 mph.** This range aligns with the historical average high of 85.1°F for the date while reflecting a post-frontal air mass that limits extreme warmth. Minor differences in afternoon cloud cover, boundary-layer mixing, or localized sea-breeze effects can shift the peak by a degree or two, producing the tight clustering of market-implied probabilities around 84–87°F. Updated model runs and NWS briefings through October 4 will refine the exact maximum before resolution.