Lake Harris Weather Forecast

    • 57
    • 82

    Sunny

    • 60
    • 84

    Sunny

    • 66
    • 89

    Sunny

    • 67
    • 91

    Sunny

    • 67
    • 92

    Sunny

    • 67
    • 91

    Mostly Sunny

Today 8 Sep Gregg

Mostly sunny. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 8 Sep Gregg

Clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Lake Harris Temperature Statistics

September Temperature

Longview - East Texas Regional Airport (9.9 miles)

  • Lowest 4 September, 2025

    66.9 °F

  • Average September

    80.4 °F

  • Highest 4 September, 2025

    93 °F

Climate (2020–Present)

Longview - East Texas Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    56.9 °F

  • Average 2020–2025

    67.1 °F

  • Average High 2020–2025

    78.3 °F
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