Sinclair Lake Weather Forecast
- 51
- 72
Mostly Sunny
- 52
- 75
Mostly Sunny
- 53
- 77
Mostly Sunny
- 55
- 80
Mostly Sunny
- 57
- 82
Mostly Sunny
- 56
- 82
Sunny
- 56
- 82
Mostly Sunny
Today 7 Sep Rhea
Sunny. Highs in the mid to upper 70s. North Winds 5 to 10 Mph.
Tonight 7 Sep Rhea
Mostly clear. Lows in the lower 50s. North Winds 10 Mph or less with Gusts up to 20 Mph.
Sinclair Lake Temperature Statistics
September Temperature
Crossville, Crossville Memorial-Whitson Field Airport (24.2 miles)
Lowest 1 September, 2025
57 °FAverage September
67.2 °FHighest 5 September, 2025
82 °F
Climate (2020–Present)
Crossville, Crossville Memorial-Whitson Field Airport (24.2 miles)
Average Low 2020–2025
47.2 °FAverage 2020–2025
56.6 °FAverage High 2020–2025
66.4 °F