Castle Rock Weather Forecast

    • 63
    • 89

    Increasing Clouds

    • 66
    • 86

    Chance Thunderstorms

    • 65
    • 74

    Thunderstorms

    • 66
    • 75

    Rain Showers

    • 69
    • 85

    Mostly Cloudy

    • 64
    • 86

    Partly Sunny

    • 62
    • 80

    Partly Sunny

Today 25 Mar Fort Bend

Sunny. Highs in the upper 80s. Southeast Winds around 5 Mph.

Tonight 25 Mar Fort Bend

Partly cloudy this Evening, then becoming mostly cloudy. Areas of fog after midnight. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Rock Temperature Statistics

March Temperature

Houston Executive Airport (9.3 miles)

  • Lowest 20 March, 2025

    41 °F

  • Average March

    65.6 °F

  • Highest 13 March, 2025

    87.8 °F

Climate (2020–Present)

Houston Executive Airport (9.3 miles)

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

  • Average Low 2020–2025

    60.9 °F

  • Average 2020–2025

    70.6 °F

  • Average High 2020–2025

    81.3 °F
Get WillyWeather+ to remove ads