HOUSTON — After reaching 91 degrees on Thursday — the hottest day of 2026 for the Houston area — humidity is now returning and will bring increased cloud cover this weekend while taking the edge off peak temperatures. The ECMWF precipitable water forecast valid May 19 shows a deep surge of Gulf moisture advancing northward directly into the Houston corridor. A significant weather pattern change is on the horizon heading into next week.
Returning Gulf Moisture Brings Clouds and Slightly Lower Temperatures This Weekend
The surge of moisture advancing northward from the Gulf will increase cloud coverage across Houston through the weekend, naturally suppressing temperatures compared to Thursday’s record-setting 91-degree reading. While conditions will feel noticeably more humid, cloud cover acts as a partial buffer against the extreme afternoon heating that drove Thursday’s exceptional warmth…