National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Houston, Hooks Memorial Airport (KDWH)

Lat: 30.07°NLon: 95.56°WElev: 151ft.

Mostly Cloudy

79°F

26°C

Humidity 72%
Wind Speed E 10 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 May 5:53 pm CDT
Extended Forecast for

Tomball TX

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 80. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 10pm, then a chance of showers and thunderstorms after 10pm. Low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 72. Chance of precipitation is 90%.

    Low: 72 °F

    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 80. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm, mainly before 10pm, then a chance of showers and thunderstorms after 10pm. Low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Saturday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm. Low around 72. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 82. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Memorial Day
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Tomball TX
 30.11°N 95.63°W (Elev. 177 ft)
Last Update:
1:21 pm CDT May 20, 2026
Forecast Valid:
6pm CDT May 20, 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