Weather forecast for: Markham TX
Last Update: 1:21 am CDT Sep 5, 2026
Overnight: Partly cloudy, with a low around 77. Calm wind.
Saturday: A 50 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday: Showers and thunderstorms likely, mainly after 7am. Partly sunny, with a high near 94. Heat index values as high as 106. Northeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%.
Sunday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm after midnight.
Labor Day: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93.
Monday Night: Mostly clear, with a low around 76.
Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93.
Tuesday Night: Mostly clear, with a low around 76.
Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Wednesday Night: Partly cloudy, with a low around 75.
Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night: Partly cloudy, with a low around 76.
Friday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
WeatherWorld.com
