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

Houston Intercontinental Airport (KIAH)

Lat: 29.98°NLon: 95.36°WElev: 89ft.

Mostly Cloudy

92°F

33°C

Humidity 58%
Wind Speed NE 12 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 30 Aug 2:53 pm CDT
Extended Forecast for

Houston Intercontinental Airport TX

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Heat index values as high as 101. East wind around 5 mph.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 4pm. High near 86. East wind around 5 mph becoming northwest in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Northeast wind around 5 mph. Chance of precipitation is 70%.

    High: 86 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Heat index values as high as 101. East wind around 5 mph.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms, mainly before 4pm. High near 86. East wind around 5 mph becoming northwest in the morning. Chance of precipitation is 80%. 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 75. East wind around 5 mph becoming calm in the evening.
Labor Day
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. 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 73.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Houston Intercontinental Airport TX
 29.98°N 95.34°W (Elev. 92 ft)
Last Update:
1:20 pm CDT Aug 30, 2025
Forecast Valid:
2pm CDT Aug 30, 2025-6pm CDT Sep 5, 2025
 
Forecast Discussion
 
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Additional Resources

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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