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

85°F

29°C

Humidity 75%
Wind Speed SE 18 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 18 May 5:53 pm CDT
Extended Forecast for

5 Miles WNW Houston Intercontinental Airport TX

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 76 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. Southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

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

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

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

    High: 84 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 76. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 86. Southeast wind around 5 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 40%.
Thursday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Houston Intercontinental Airport TX
 30°N 95.42°W (Elev. 105 ft)
Last Update:
1:21 pm CDT May 18, 2026
Forecast Valid:
6pm CDT May 18, 2026-6pm CDT May 25, 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