Loy Lake Weather Forecast
- 77
- 99
Hot
- 77
- 98
Hot
- 77
- 98
Hot
- 77
- 99
Hot
- 77
- 99
Hot
- 78
- 100
Hot
Today 1 Sep Grayson
Sunny, hot with Highs in the upper 90s. Southeast Winds 5 to 10 Mph. Heat index Values up to 105.
Tonight 1 Sep Grayson
Mostly clear. Lows in the mid 70s. Southeast Winds 5 to 10 Mph.
Loy Lake Temperature Statistics
September Temperature
Sherman/Denison, Grayson County Airport (4.3 miles)
Lowest
–Average September
–Highest
–
Climate (2021–2026)
Sherman/Denison, Grayson County Airport (4.3 miles)
Average Low 2021–2026
56 °FAverage 2021–2026
64.8 °FAverage High 2021–2026
77.2 °F