National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Houston, Sugar Land Municipal / Hull Field Airport (KSGR)

Lat: 29.62°NLon: 95.66°WElev: 82ft.

Partly Cloudy

86°F

30°C

Humidity 57%
Wind Speed SE 8 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 May 12:53 pm CDT
Extended Forecast for

Katy TX

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Southeast wind around 15 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 71 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 87. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. East wind around 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 84. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 100%.

    High: 84 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.

    High: 86 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 90%.

    High: 83 °F

    Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 91. Southeast wind around 15 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 87. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. East wind around 5 mph.
Thursday
Showers and possibly a thunderstorm. High near 84. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 100%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 73. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Katy TX
 29.79°N 95.81°W (Elev. 138 ft)
Last Update:
1:21 pm CDT May 19, 2026
Forecast Valid:
1pm CDT May 19, 2026-6pm CDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation