Griffin Lake Weather Forecast
- 75
- 96
Hot
- 74
- 96
Mostly Sunny
- 72
- 97
Hot
- 75
- 100
Hot
- 75
- 99
Hot
- 75
- 96
Slight Chance Thunderstorms
- 74
- 95
Slight Chance Thunderstorms
Today 21 Jul Gregg
Sunny. Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 107.
Tonight 21 Jul Gregg
Clear. Lows in the mid 70s. South Winds 5 to 10 Mph.
Griffin Lake Temperature Statistics
July Temperature
Longview - East Texas Regional Airport (3.7 miles)
Lowest 9 July, 2025
69.7 °FAverage July
82.3 °FHighest 17 July, 2025
95.6 °F
Climate (2020–Present)
Longview - East Texas Regional Airport (3.7 miles)
Average Low 2020–2025
56.9 °FAverage 2020–2025
67 °FAverage High 2020–2025
78.3 °F