Loy Lake Weather Forecast
- 79
- 104
Hot
- 81
- 105
Hot
- 81
- 104
Hot
- 78
- 103
Hot
- 78
- 102
Hot
- 78
- 102
Hot
- 79
- 102
Hot
Today 17 Aug Grayson
Sunny, hot with Highs around 103. Northwest Winds around 5 Mph.
Tonight 17 Aug Grayson
Mostly clear. Lows in the upper 70s. Southeast Winds around 5 Mph.
Loy Lake Temperature Statistics
August Temperature
Sherman/Denison, Grayson County Airport (4.3 miles)
Lowest 3 August, 2026
66.6 °FAverage August
85.5 °FHighest 7 August, 2026
102.2 °F
Climate (2021–2026)
Sherman/Denison, Grayson County Airport (4.3 miles)
Average Low 2021–2026
56 °FAverage 2021–2026
64.7 °FAverage High 2021–2026
77.1 °F