Lake Letourneau Weather Forecast

    • 77
    • 97

    Hot

    • 78
    • 96

    Partly Sunny

    • 75
    • 95

    Rain Showers Likely

    • 72
    • 91

    Rain Showers Likely

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 91

    Slight Chance Thunderstorms

Today 10 Jul Gregg

Mostly sunny. Hot. Near steady temperature in the mid 90s. South Winds 5 to 10 Mph.

Tonight 10 Jul Gregg

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Letourneau Temperature Statistics

July Temperature

Longview - East Texas Regional Airport (4.3 miles)

  • Lowest 8 July, 2026

    71.1 °F

  • Average July

    83.7 °F

  • Highest 4 July, 2026

    97.6 °F

Climate (2021–2026)

Longview - East Texas Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    57.6 °F

  • Average 2021–2026

    68 °F

  • Average High 2021–2026

    79.4 °F
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