Gressett Lake Weather Forecast
- 78
- 101
Hot
- 78
- 100
Hot
- 77
- 101
Hot
- 78
- 102
Hot
- 78
- 101
Hot
- 78
- 101
Hot
- 76
- 101
Hot
Today 14 Aug Grayson
Sunny, hot with Highs around 101. South Winds 10 to 15 Mph. Heat index Values up to 105.
Tonight 14 Aug Grayson
Mostly clear. Lows in the upper 70s. South Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.
Gressett Lake Temperature Statistics
August Temperature
Sherman/Denison, Grayson County Airport (13.7 miles)
Lowest 3 August, 2026
66.6 °FAverage August
84.8 °FHighest 7 August, 2026
102.2 °F
Climate (2021–2026)
Sherman/Denison, Grayson County Airport (13.7 miles)
Average Low 2021–2026
55.9 °FAverage 2021–2026
64.7 °FAverage High 2021–2026
77.1 °F