Houston starts Saturday, August 29, under clear skies and roughly 77 degrees near dawn, but the calm morning is headed for a furnace-like afternoon. The high is expected near 95, with humidity making it feel as hot as 105 and only a small chance of rain late in the day.
Sunny First, Then A Small Storm Chance
Most of Saturday should stay sunny through the afternoon. A 20% chance of showers and thunderstorms arrives after 4 p.m., with the best odds late afternoon into early evening; any rain should be spotty and totals generally under a tenth of an inch. East winds of 0 to 5 mph will turn southerly and increase to around 10 mph Saturday night.
The National Weather Service Houston/Galveston forecast puts the weekend heat index between roughly 103 and 108 degrees across the area. Outdoor plans are best handled earlier in the morning or after sunset, with water, shade and frequent breaks especially important for anyone working or exercising outside.
Sunday Offers Little Relief
Sunday stays sunny for much of the day, with a high near 95 and heat-index values as high as 106. A 20% shower and thunderstorm chance returns after 3 p.m., then fades before 7 p.m.; the overnight low remains around 79 under mostly clear skies.
That is a modest shift from Hoodline’s Friday forecast, with the latest outlook keeping Sunday nearly as hot and extending the day-to-day storm pattern into next week. Monday should reach 94 with a slight afternoon storm chance, followed by highs near 93 Tuesday and 92 Wednesday; Tuesday carries the highest rain chance at 30%.
Summer Pattern Lingers Into Friday
Thursday is forecast to climb back near 94 with a slight storm chance after 7 a.m., while Friday brings a high near 93 and a small chance of morning showers followed by afternoon thunderstorms. Nights remain sticky, with lows close to 79 through the week, so Houston’s overnight relief will be limited.
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