Waterloo Lake Weather Forecast
- 62
- 80
Mostly Cloudy
- 51
- 75
Chance Rain Showers
- 48
- 65
Partly Sunny
- 57
- 76
Partly Sunny
- 56
- 75
Rain Showers
- 44
- 65
Rain Showers Likely
- 45
- 65
Sunny
Today 9 Feb Grayson
Partly sunny. Highs around 80. South Winds around 5 Mph.
Tonight 9 Feb Grayson
Cloudy. Not as cool with Lows around 60. South Winds 5 to 10 Mph.
Waterloo Lake Temperature Statistics
February Temperature
Sherman/Denison, Grayson County Airport (5.6 miles)
Lowest 1 February, 2026
19.8 °FAverage February
45.7 °FHighest 6 February, 2026
80.6 °F
Climate (2021–Present)
Sherman/Denison, Grayson County Airport (5.6 miles)
Average Low 2021–2026
55.4 °FAverage 2021–2026
64.1 °FAverage High 2021–2026
76.3 °F