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

97°F

36°C

Humidity 45%
Wind Speed SE 12 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 27 Aug 5:53 pm CDT
Extended Forecast for

Katy TX

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light and variable after midnight. New rainfall amounts between a quarter and half of an inch possible.

    Low: 78 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 106. Calm wind becoming east around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph becoming light and variable after midnight. New rainfall amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 96. Heat index values as high as 106. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 97. Heat index values as high as 105. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 76. Southeast wind 5 to 10 mph becoming light south after midnight.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 76.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Katy TX
 29.79°N 95.81°W (Elev. 138 ft)
Last Update:
6:16 pm CDT Aug 27, 2026
Forecast Valid:
6pm CDT Aug 27, 2026-6pm CDT Sep 3, 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