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 85%
Wind Speed S 9 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Aug 10:53 pm CDT
Extended Forecast for

Katy TX

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind becoming south around 5 mph in the morning.

    High: 100 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 107. Light south wind increasing to 5 to 10 mph in the morning.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 77. South wind 5 to 10 mph.

    Low: 77 °F

    Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

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

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

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

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 77. South wind 5 to 10 mph.
Tuesday
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 107. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Clear, with a low around 77. South wind 5 to 10 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 77.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 77.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Katy TX
 29.81°N 95.81°W (Elev. 148 ft)
Last Update:
11:06 pm CDT Aug 3, 2026
Forecast Valid:
11pm CDT Aug 3, 2026-6pm CDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation