Merrills Lake Weather Forecast
- 69
- 97
Hot
- 65
- 93
Decreasing Clouds
- 68
- 93
Mostly Cloudy
- 70
- 95
Partly Sunny
- 71
- 95
Slight Chance Thunderstorms
- 71
- 94
Chance Rain Showers
- 68
- 92
Chance Rain Showers
Today 23 Sep Gregg
Mostly cloudy with a 50 percent chance of Showers. Highs in the mid 80s.
Tonight 23 Sep Gregg
Partly cloudy. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.
Merrills Lake Temperature Statistics
September Temperature
Longview - East Texas Regional Airport (11.8 miles)
Lowest 19 September, 2026
67.6 °FAverage September
87 °FHighest 7 September, 2026
102.7 °F
Climate (2021–2026)
Longview - East Texas Regional Airport (11.8 miles)
Average Low 2021–2026
57.8 °FAverage 2021–2026
68.3 °FAverage High 2021–2026
79.8 °F