Weather
Houston, TX Weather This Week: Highs Climb From 73 to Near 90 Oct 18-23
Houston, TX – Southeast Texas is heading into a significant warming trend this week, with afternoon temperatures expected to climb from the 70s Sunday, October 18, into the upper 80s and potentially l
By Cole Barrett · 2026-10-18T09:42:53.169Z
Houston, TX – Southeast Texas is heading into a significant warming trend this week, with afternoon temperatures expected to climb from the 70s Sunday, October 18, into the upper 80s and potentially lower 90s by Friday. The return of summerlike temperatures follows a stretch of cooler fall weather across the Houston metropolitan area.
According to the National Weather Service in Houston Galveston, dry and pleasant conditions will continue Sunday before temperatures gradually increase throughout the workweek.
Cool Sunday night before temperatures climb
Sunday afternoon highs are expected to range from 71 to 76 degrees inland, with coastal communities reaching 75 to 77 degrees.
Houston is forecast to reach approximately 73 degrees, while Galveston could climb to 76 degrees.
Overnight temperatures will fall considerably, with inland lows ranging from 46 to 56 degrees.
Colder locations include Crockett at 46 degrees, Madisonville at 47 degrees and College Station at 49 degrees. Houston is expected to fall to approximately 56 degrees.
Monday begins a steady warming trend
Monday, October 19, will bring partly cloudy skies and warmer temperatures across Southeast Texas.
Afternoon highs should reach 75 to 81 degrees inland, with beaches experiencing temperatures between 77 and 80 degrees.
Houston is forecast to reach approximately 77 degrees, while Sugar Land, Wharton and Bay City could approach 80 degrees.
Northeast to east winds are expected around 5 to 10 mph.
Temperatures approach 90 degrees by Friday
The warming trend will continue Tuesday through Friday.
Regional highs are forecast between 78 and 86 degrees Tuesday, followed by 79 to 89 degrees Wednesday.
Thursday could bring temperatures between 80 and 90 degrees before Friday becomes the warmest day of the forecast period, with highs ranging from 81 to 91 degrees.
The forecast suggests a return to summerlike afternoon warmth despite the calendar approaching late October.