Grayson Lakes Weather Forecast

    • 77
    • 97

    Hot

    • 75
    • 96

    Partly Sunny

    • 75
    • 97

    Hot

    • 78
    • 98

    Hot

    • 78
    • 95

    Chance Thunderstorms

    • 77
    • 94

    Chance Thunderstorms

    • 77
    • 95

    Chance Thunderstorms

Today 21 Jul Fort Bend

Sunny, hot with Highs in the mid 90s. South Winds 5 to 10 Mph. Heat index Values up to 106.

Tonight 21 Jul Fort Bend

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grayson Lakes Temperature Statistics

July Temperature

Houston Executive Airport (5 miles)

  • Lowest 8 July, 2025

    73.4 °F

  • Average July

    82.7 °F

  • Highest 15 July, 2025

    96.8 °F

Climate (2020–Present)

Houston Executive Airport (5 miles)

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  • Average Low 2020–2025

    60.9 °F

  • Average 2020–2025

    70.6 °F

  • Average High 2020–2025

    81.2 °F
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