Knoxville, TN Hourly Forecast
Knoxville temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 3 PM - around 96°
- Coolest hour: 6 AM - around 70°
- Highest rain chance: 7 PM (83%) - pack accordingly
- UV peak: 2 PM at index 10 - sun protection recommended
- Windiest: 4 PM at 4 mph
Knoxville hourly weather - Friday, July 17
In Knoxville, expect a high near 96°F (36°C) around 3 PM and a low of 74°F (24°C) near 9 PM; precipitation risk peaks at 83% around 7 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Partly Cloudy | 92° | 105° | 3% | 4 mph ENE | 67% | 10 | |
| 2 PM | Partly Cloudy | 96° | 105° | 3% | 4 mph ENE | 46% | 10 | |
| 3 PM | Partly Cloudy | 96° | 105° | 3% | 4 mph ENE | 44% | 9 | |
| 4 PM | Overcast | 96° | 103° | 10% | 4 mph ENE | 43% | 7 | |
| 5 PM | Cloudy | 94° | 101° | 7% | 4 mph NE | 46% | 4 | |
| 6 PM | Patchy rain nearby | 90° | 98° | 17% | 2 mph NNE | 56% | 2 | |
| 7 PM | Patchy rain nearby | 77° | 81° | 83% | 2 mph N | 80% | 0 | |
| 8 PM | Patchy light rain | 76° | 80° | 74% | 2 mph NW | 87% | 0 | |
| 9 PM | Moderate rain at times | 74° | 78° | 81% | 2 mph WNW | 91% | 0 | |
| 10 PM | Patchy rain nearby | 75° | 79° | 69% | 2 mph WNW | 90% | 0 | |
| 11 PM | Moderate rain at times | 74° | 78° | 61% | 1 mph NE | 91% | 0 |
Knoxville hourly weather - Saturday, July 18
In Knoxville, expect a high near 89°F (32°C) around 1 PM and a low of 70°F (21°C) near 6 AM; precipitation risk peaks at 80% around 2 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 74° | 78° | 15% | 1 mph SSW | 92% | 0 | |
| 1 AM | Mist | 72° | 77° | 21% | 2 mph SSW | 95% | 0 | |
| 2 AM | Patchy rain nearby | 72° | 76° | 80% | 3 mph SSW | 96% | 0 | |
| 3 AM | Patchy rain nearby | 71° | 71° | 77% | 2 mph SSW | 97% | 0 | |
| 4 AM | Fog | 71° | 71° | 49% | 2 mph S | 97% | 0 | |
| 5 AM | Fog | 71° | 71° | 48% | 2 mph SSW | 97% | 0 | |
| 6 AM | Fog | 70° | 70° | 42% | 1 mph SSW | 98% | 0 | |
| 7 AM | Fog | 71° | 71° | 42% | 2 mph SSW | 98% | 0 | |
| 8 AM | Mist | 73° | 78° | 27% | 2 mph SW | 95% | 1 | |
| 9 AM | Cloudy | 76° | 80° | 23% | 2 mph SW | 90% | 2 | |
| 10 AM | Partly Cloudy | 80° | 84° | 13% | 3 mph SW | 80% | 4 | |
| 11 AM | Partly Cloudy | 83° | 89° | 9% | 3 mph SW | 69% | 7 | |
| 12 PM | Patchy rain nearby | 87° | 93° | 12% | 3 mph WSW | 62% | 9 | |
| 1 PM | Patchy light drizzle | 89° | 96° | 36% | 3 mph WSW | 56% | 10 | |
| 2 PM | Patchy light rain in area with thunder | 88° | 96° | 45% | 5 mph WNW | 62% | 11 | |
| 3 PM | Light rain shower | 83° | 91° | 62% | 7 mph WNW | 77% | 9 | |
| 4 PM | Patchy light rain in area with thunder | 83° | 91° | 69% | 4 mph NW | 80% | 7 | |
| 5 PM | Patchy light rain in area with thunder | 84° | 93° | 57% | 1 mph WNW | 74% | 4 | |
| 6 PM | Patchy light rain in area with thunder | 83° | 92° | 39% | 4 mph S | 79% | 1 | |
| 7 PM | Patchy light rain in area with thunder | 82° | 89° | 42% | 4 mph S | 79% | 1 | |
| 8 PM | Patchy rain nearby | 78° | 82° | 55% | 3 mph SSW | 86% | 0 | |
| 9 PM | Clear | 75° | 79° | 14% | 3 mph SW | 88% | 0 | |
| 10 PM | Patchy rain nearby | 74° | 78° | 28% | 3 mph SSW | 90% | 0 | |
| 11 PM | Patchy rain nearby | 73° | 77° | 40% | 2 mph WSW | 91% | 0 |
Knoxville hourly weather - Sunday, July 19
In Knoxville, expect a high near 90°F (32°C) around 5 PM and a low of 70°F (21°C) near 6 AM; precipitation risk peaks at 73% around 12 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 72° | 76° | 73% | 1 mph WSW | 94% | 0 | |
| 1 AM | Patchy rain nearby | 71° | 71° | 49% | 3 mph S | 96% | 0 | |
| 2 AM | Patchy rain nearby | 71° | 71° | 68% | 2 mph SSW | 97% | 0 | |
| 3 AM | Mist | 71° | 71° | 21% | 3 mph SSW | 97% | 0 | |
| 4 AM | Mist | 70° | 70° | 22% | 2 mph SSW | 97% | 0 | |
| 5 AM | Mist | 70° | 70° | 22% | 2 mph SSW | 97% | 0 | |
| 6 AM | Fog | 70° | 70° | 42% | 1 mph SW | 97% | 0 | |
| 7 AM | Mist | 70° | 70° | 23% | 1 mph S | 97% | 0 | |
| 8 AM | Mist | 73° | 77° | 22% | 2 mph SSW | 95% | 1 | |
| 9 AM | Partly Cloudy | 76° | 80° | 16% | 2 mph SSW | 90% | 2 | |
| 10 AM | Partly Cloudy | 80° | 84° | 11% | 2 mph SW | 80% | 4 | |
| 11 AM | Patchy rain nearby | 83° | 89° | 25% | 2 mph WSW | 69% | 6 | |
| 12 PM | Patchy rain nearby | 84° | 91° | 28% | 2 mph WSW | 70% | 8 | |
| 1 PM | Patchy rain nearby | 87° | 93° | 20% | 2 mph S | 61% | 10 | |
| 2 PM | Patchy rain nearby | 87° | 94° | 13% | 4 mph S | 60% | 10 | |
| 3 PM | Partly Cloudy | 88° | 94° | 4% | 4 mph SSW | 54% | 7 | |
| 4 PM | Sunny | 89° | 95° | 3% | 4 mph SSW | 52% | 5 | |
| 5 PM | Sunny | 90° | 96° | 3% | 4 mph SSW | 50% | 3 | |
| 6 PM | Sunny | 90° | 96° | 3% | 4 mph SSW | 52% | 2 | |
| 7 PM | Patchy rain nearby | 87° | 94° | 19% | 3 mph SSW | 65% | 1 | |
| 8 PM | Partly Cloudy | 82° | 88° | 9% | 2 mph S | 73% | 0 | |
| 9 PM | Partly Cloudy | 78° | 82° | 12% | 1 mph N | 78% | 0 | |
| 10 PM | Patchy rain nearby | 76° | 80° | 16% | 3 mph NNE | 82% | 0 | |
| 11 PM | Cloudy | 76° | 79° | 17% | 3 mph NNE | 81% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Knoxville today?
Will it rain in Knoxville tonight?
When is the UV index highest in Knoxville today?
Knoxville hour-by-hour: what to expect
Over the next 24 hours in Knoxville, temperatures range from 70°F (21°C) around 6 AM up to 96°F (36°C) near 3 PM - about 8°F (4°C) above the typical July high of 88°F (31°C).
Precipitation is a real possibility: the chance of rain peaks at 83% around 7 PM. UV reaches 10 (2 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Knoxville 14-day forecast or the monthly climate averages.