Lamar Weather Forecast

    • 78
    • 99

    Chance Thunderstorms

    • 76
    • 96

    Chance Thunderstorms

    • 76
    • 96

    Slight Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 75
    • 95

    Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

Today 27 Aug Fort Bend

Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the upper 90s. Southwest Winds around 5 Mph. Chance of rain 30 percent. Heat index Values up to 105.

Tonight 27 Aug Fort Bend

Partly cloudy. Lows in the upper 70s. South Winds 5 to 10 Mph.

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Lamar Temperature Statistics

August Temperature

Houston, Sugar Land Municipal / Hull Field Airport (8.7 miles)

  • Lowest 17 August, 2026

    70.6 °F

  • Average August

    86.8 °F

  • Highest 22 August, 2026

    108.6 °F

Climate (2021–2026)

Houston, Sugar Land Municipal / Hull Field Airport (8.7 miles)

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  • Average Low 2021–2026

    63.3 °F

  • Average 2021–2026

    73 °F

  • Average High 2021–2026

    83.2 °F
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