Local Forecast for Houston, TX Currently 78.0°F HI: 91°F LO: 74°F Extended Forecast Overnight Mostly cloudy, with a low around 74. Southeast wind around 10 mph. Monday Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 20 mph. Monday Night Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Tuesday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 20 mph. Tuesday Night A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 74. Southeast wind 5 to 15 mph becoming east after midnight. Winds could gust as high as 20 mph. Wednesday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Wednesday Night A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Thursday Mostly sunny, with a high near 89. Thursday Night Partly cloudy, with a low around 71. Friday Mostly sunny, with a high near 89. Friday Night Partly cloudy, with a low around 70. Saturday Mostly sunny, with a high near 89. Saturday Night Partly cloudy, with a low around 70.