| NWS Forecast for: Katy TX Issued by: National Weather Service Houston, TX Last Update: 1:20 pm CDT Jul 13, 2025 | |
| This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 103. South wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Tonight: Mostly cloudy, with a low around 76. South wind around 5 mph. Monday: A 40 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming south around 5 mph in the morning. Monday Night: Partly cloudy, with a low around 76. South wind around 5 mph becoming calm after midnight. Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Light southeast wind becoming south 5 to 10 mph in the morning. Tuesday Night: Partly cloudy, with a low around 75. Wednesday: Sunny, with a high near 95. Wednesday Night: Mostly clear, with a low around 74. Thursday: Mostly sunny, with a high near 95. Thursday Night: Partly cloudy, with a low around 75. Friday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Friday Night: Mostly cloudy, with a low around 76. Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. | |
| Katy TX 29.79°N 95.81°W (Elev. 138 ft) | |
Visit your local NWS office at: https://www.weather.gov/hgx |