Heiskell Weather Forecast
- 74
- 92
Chance Thunderstorms
- 74
- 91
Chance Thunderstorms
- 72
- 91
Rain Showers
- 72
- 89
Thunderstorms Likely
- 72
- 90
Thunderstorms Likely
- 72
- 90
Thunderstorms Likely
- 73
- 93
Chance Thunderstorms
Today 16 Jul Knox
Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Southwest Winds 10 Mph or less. Chance of rain 50 percent.
Tonight 16 Jul Knox
Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the mid 70s. Light Winds. Chance of rain 30 percent.
Heiskell Temperature Statistics
July Temperature
Oak Ridge (10.6 miles)
Lowest 3 July, 2025
66 °FAverage July
80.8 °FHighest 8 July, 2025
95.6 °F
Climate (2020–Present)
Oak Ridge (10.6 miles)
Average Low 2020–2025
50.8 °FAverage 2020–2025
60.4 °FAverage High 2020–2025
71 °F