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.

A Few Clouds

95°F

35°C

Humidity 53%
Wind Speed Calm
Barometer 29.92 in (1013.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 30 Aug 12:53 pm CDT
Extended Forecast for

Katy TX

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 89. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Northeast wind around 5 mph. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 92. Heat index values as high as 103. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 89. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Labor Day
Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Northeast wind around 5 mph. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 92.
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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:
1:20 pm CDT Aug 30, 2025
Forecast Valid:
1pm CDT Aug 30, 2025-6pm CDT Sep 5, 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