Denison Dam Weather Forecast
- 59
- 86
Sunny
- 65
- 85
Mostly Sunny
- 70
- 86
Mostly Sunny
- 59
- 87
Chance Rain Showers
- 60
- 80
Sunny
- 66
- 86
Mostly Sunny
Today 15 Oct Bryan
Sunny. Highs in the upper 80s. East Winds around 5 Mph.
Tonight 15 Oct Bryan
Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.
Denison Dam Temperature Statistics
October Temperature
Sherman/Denison, Grayson County Airport (9.3 miles)
Lowest 11 October, 2025
59.9 °FAverage October
73.8 °FHighest 12 October, 2025
90 °F
Climate (2020–Present)
Sherman/Denison, Grayson County Airport (9.3 miles)
Average Low 2020–2025
55.3 °FAverage 2020–2025
64 °FAverage High 2020–2025
76.2 °F