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.

Light Rain

73°F

23°C

Humidity 96%
Wind Speed E 3 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 21 May 9:53 am CDT
Extended Forecast for

Katy TX

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. High near 81. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 86. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms. High near 85. Southeast wind around 5 mph. Chance of precipitation is 90%.

    High: 85 °F

    T-storms
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms. Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. High near 82. Chance of precipitation is 90%.

    High: 82 °F

    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Memorial Day

    Memorial Day: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. High near 81. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. South wind around 5 mph.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 86. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph.
Saturday
Showers and thunderstorms. High near 85. Southeast wind around 5 mph. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms. Low around 72. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms. High near 82. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Memorial Day
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
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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:
7:36 am CDT May 21, 2026
Forecast Valid:
10am CDT May 21, 2026-6pm CDT May 27, 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