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.

Partly Cloudy

79°F

26°C

Humidity 97%
Wind Speed E 6 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Sep 7:53 am CDT
Extended Forecast for

Houston Intercontinental Airport TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before noon, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming east 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

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 77. East wind around 5 mph becoming calm.

    Low: 77 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph. Chance of precipitation is 40%.

    High: 94 °F

    Chance
    T-storms

  • Sunday Night

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

    Low: 77 °F

    Mostly Clear

  • Labor Day

    Labor Day: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms before noon, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming east 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.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 77. East wind around 5 mph becoming calm.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. Calm wind becoming east around 5 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 77.
Labor Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Houston Intercontinental Airport TX
 29.98°N 95.34°W (Elev. 92 ft)
Last Update:
7:20 am CDT Sep 4, 2026
Forecast Valid:
8am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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Additional Resources

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Chance of Precipitation