Merrills Lake Weather Forecast

    • 75
    • 100

    Slight Chance Thunderstorms

    • 74
    • 98

    Hot

    • 74
    • 97

    Hot

    • 74
    • 97

    Hot

    • 73
    • 97

    Hot

    • 73
    • 97

    Hot

Today 8 Sep Gregg

Partly cloudy. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 8 Sep Gregg

Mostly clear. A slight chance of Showers in the evening. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merrills Lake Temperature Statistics

September Temperature

Longview - East Texas Regional Airport (11.8 miles)

  • Lowest 6 September, 2026

    73 °F

  • Average September

    86.4 °F

  • Highest 1 September, 2026

    100.7 °F

Climate (2021–2026)

Longview - East Texas Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    57.7 °F

  • Average 2021–2026

    68.2 °F

  • Average High 2021–2026

    79.7 °F
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