Southwest Houston Weather Forecast

    • 79
    • 98

    Chance Thunderstorms

    • 78
    • 95

    Rain Showers

    • 78
    • 91

    Thunderstorms Likely

    • 77
    • 93

    Chance Thunderstorms

    • 77
    • 95

    Chance Thunderstorms

    • 78
    • 95

    Chance Thunderstorms

Today 20 Aug Fort Bend

Sunny. A chance of Showers and Thunderstorms. Hot. Near steady temperature in the lower 80s. North Winds around 5 Mph. Chance of rain 50 percent.

Tonight 20 Aug Fort Bend

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear with a chance of Showers with a slight chance of Thunderstorms after midnight. Near steady temperature in the mid 70s. East Winds around 5 Mph, becoming west after midnight. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Southwest Houston Temperature Statistics

August Temperature

Houston Southwest Airport (9.9 miles)

  • Lowest 4 August, 2025

    73.6 °F

  • Average August

    84.4 °F

  • Highest 17 August, 2025

    99.7 °F

Climate (2020–Present)

Houston Southwest Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    61 °F

  • Average 2020–2025

    70.4 °F

  • Average High 2020–2025

    80.9 °F
Get WillyWeather+ to remove ads