Merrills Lake Weather Forecast
- 69
- 94
Slight Chance Thunderstorms
- 68
- 94
Slight Chance Thunderstorms
- 69
- 92
Mostly Sunny
- 68
- 91
Chance Rain Showers
- 68
- 89
Chance Thunderstorms
- 68
- 90
Slight Chance Thunderstorms
- 68
- 89
Slight Chance Rain Showers
Today 15 Sep Gregg
Partly cloudy. Highs in the lower 90s. Southeast Winds around 5 Mph.
Tonight 15 Sep Gregg
Mostly clear. Lows in the upper 60s. Light and variable Winds.
Merrills Lake Temperature Statistics
September Temperature
Longview - East Texas Regional Airport (11.8 miles)
Lowest 9 September, 2025
55.9 °FAverage September
77.1 °FHighest 4 September, 2025
93 °F
Climate (2020–Present)
Longview - East Texas Regional Airport (11.8 miles)
Average Low 2020–2025
56.9 °FAverage 2020–2025
67.1 °FAverage High 2020–2025
78.3 °F