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

80°F

27°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 11 Jul 11:53 pm CDT
Extended Forecast for

Katy TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm.

    Low: 77 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon. 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

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Showers then
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 75.

    Low: 75 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm.
Sunday
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm. Chance of precipitation is 50%.
Tuesday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 89. Chance of precipitation is 80%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Wednesday Night
Mostly cloudy, with a low around 75.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 75.
Friday
Mostly sunny, with a high near 94.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Katy TX
 29.79°N 95.84°W (Elev. 138 ft)
Last Update:
7:31 pm CDT Jul 11, 2026
Forecast Valid:
12am CDT Jul 12, 2026-6pm CDT Jul 18, 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