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Houston Wakes Up In A Sauna As Foggy Dawn Gives Way To 90-Degree Sizzle

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Published on May 31, 2026
Houston Wakes Up In A Sauna As Foggy Dawn Gives Way To 90-Degree SizzleSource: Unsplash/ Kash

Houston rolled into Sunday, May 31, 2026, wrapped in muggy, pre-dawn warmth, with temperatures sitting near 77°F around 5:40 a.m. CDT and patches of fog lurking for early commuters. Clouds should thin out by midmorning, giving way to a mix of sun and clouds and sending afternoon highs into the low 90s. A light southeast breeze around 5–10 mph will do little to shake off the sticky humidity.

Foggy Morning, Sunny Afternoons

Patchy fog is expected between about 7 and 8 a.m., especially in low-lying spots and near the Brazos Valley, before the sun takes over later in the morning. By the afternoon, highs should top out near 93°F, with a near-zero chance of rain on Sunday. Outdoor plans will feel hotter than the thermometer suggests, so water, shade, and breaks from the heat are a smart move, according to the National Weather Service Houston/Galveston.

Heat And A Small Storm Chance Monday

Monday, June 1, 2026, keeps the hot-and-humid setup going, with highs near 93°F and afternoon heat-index readings that could reach about 101°F. A weak boundary teaming up with daytime heating brings a slight chance of showers and storms after 1 p.m., with rain chances gradually ramping up through midweek and into Friday. Overnight lows will linger in the mid-70s, offering only limited relief from the daytime heat, per the NWS Houston/Galveston.

Commute And Coastal Notes

For the Sunday morning drive, fog may trim visibility between 7 and 9 a.m., so drivers should budget a little extra time and stick with low-beam headlights. Along the coast, boaters and beachgoers can expect light onshore winds and generally low seas through Tuesday. By midweek, that onshore flow may strengthen, which could bump up the rip-current risk. If you are heading outside, early morning and evening hours will be the most bearable, with plenty of water and shade your best defense against the heat.