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.

Fair

77°F

25°C

Humidity 94%
Wind Speed W 3 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Aug 3:53 am CDT
Extended Forecast for

Katy TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming west around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming south around 5 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 95. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 95 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.

    High: 96 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98.

    High: 98 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming west around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming south around 5 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 95. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 50%.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 78.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98.
Sunday Night
Mostly clear, with a low around 76.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Katy TX
 29.79°N 95.81°W (Elev. 138 ft)
Last Update:
1:20 am CDT Aug 13, 2025
Forecast Valid:
4am CDT Aug 13, 2025-6pm CDT Aug 19, 2025
 
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