Knoxville, TN Hourly Forecast
Knoxville temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 2 PM - around 88°
- Coolest hour: 9 AM - around 69°
- Highest rain chance: 3 AM (51%) - pack accordingly
- UV peak: 2 PM at index 9 - sun protection recommended
- Windiest: 2 PM at 8 mph
Knoxville hourly weather - Wednesday, August 26
In Knoxville, expect a high near 88°F (31°C) around 2 PM and a low of 77°F (25°C) near 11 PM; precipitation risk peaks at 15% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 2 PM | Overcast | 88° | 88° | 10% | 8 mph WSW | 42% | 9 | |
| 3 PM | Overcast | 87° | 88° | 10% | 8 mph WSW | 42% | 8 | |
| 4 PM | Overcast | 84° | 83° | 10% | 6 mph WSW | 40% | 5 | |
| 5 PM | Overcast | 82° | 82° | 11% | 5 mph SW | 46% | 3 | |
| 6 PM | Overcast | 80° | 82° | 12% | 4 mph SW | 53% | 1 | |
| 7 PM | Overcast | 81° | 82° | 13% | 2 mph WSW | 57% | 0 | |
| 8 PM | Overcast | 81° | 83° | 14% | 0 mph SE | 60% | 0 | |
| 9 PM | Overcast | 79° | 82° | 15% | 1 mph NE | 62% | 0 | |
| 10 PM | Cloudy | 77° | 81° | 13% | 2 mph NNE | 66% | 0 | |
| 11 PM | Partly Cloudy | 77° | 80° | 10% | 3 mph NE | 68% | 0 |
Knoxville hourly weather - Thursday, August 27
In Knoxville, expect a high near 89°F (32°C) around 4 PM and a low of 69°F (21°C) near 9 AM; precipitation risk peaks at 80% around 7 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 76° | 80° | 16% | 2 mph NE | 70% | 0 | |
| 1 AM | Cloudy | 75° | 79° | 15% | 3 mph NNE | 74% | 0 | |
| 2 AM | Patchy rain nearby | 73° | 77° | 21% | 3 mph NNE | 80% | 0 | |
| 3 AM | Light rain shower | 71° | 76° | 51% | 3 mph NNE | 86% | 0 | |
| 4 AM | Patchy rain nearby | 72° | 77° | 37% | 2 mph N | 87% | 0 | |
| 5 AM | Patchy rain nearby | 70° | 75° | 34% | 2 mph NNE | 88% | 0 | |
| 6 AM | Clear | 70° | 74° | 14% | 2 mph NNE | 89% | 0 | |
| 7 AM | Patchy rain nearby | 69° | 74° | 29% | 2 mph NNE | 89% | 0 | |
| 8 AM | Overcast | 70° | 75° | 28% | 2 mph NNE | 87% | 0 | |
| 9 AM | Overcast | 69° | 73° | 24% | 1 mph ESE | 80% | 1 | |
| 10 AM | Cloudy | 73° | 77° | 15% | 2 mph SSW | 72% | 3 | |
| 11 AM | Sunny | 78° | 80° | 4% | 3 mph SW | 61% | 5 | |
| 12 PM | Sunny | 82° | 83° | 3% | 4 mph SW | 54% | 7 | |
| 1 PM | Sunny | 85° | 86° | 1% | 3 mph WSW | 48% | 9 | |
| 2 PM | Sunny | 88° | 89° | 1% | 2 mph WSW | 43% | 8 | |
| 3 PM | Sunny | 89° | 91° | 1% | 3 mph SSW | 40% | 7 | |
| 4 PM | Overcast | 89° | 91° | 9% | 3 mph SW | 38% | 6 | |
| 5 PM | Overcast | 86° | 87° | 10% | 5 mph SW | 44% | 3 | |
| 6 PM | Patchy rain nearby | 86° | 88° | 10% | 3 mph SSW | 53% | 1 | |
| 7 PM | Moderate rain | 74° | 71° | 80% | 15 mph WNW | 80% | 0 | |
| 8 PM | Partly Cloudy | 76° | 82° | 16% | 5 mph N | 89% | 0 | |
| 9 PM | Clear | 74° | 80° | 14% | 5 mph NE | 91% | 0 | |
| 10 PM | Patchy rain nearby | 70° | 75° | 35% | 3 mph ESE | 94% | 0 | |
| 11 PM | Mist | 71° | 76° | 49% | 3 mph ENE | 94% | 0 |
Knoxville hourly weather - Friday, August 28
In Knoxville, expect a high near 86°F (30°C) around 5 PM and a low of 67°F (20°C) near 8 AM; precipitation risk peaks at 32% around 2 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 72° | 78° | 15% | 2 mph N | 93% | 0 | |
| 1 AM | Clear | 72° | 77° | 15% | 3 mph NE | 93% | 0 | |
| 2 AM | Overcast | 71° | 75° | 32% | 4 mph NE | 93% | 0 | |
| 3 AM | Overcast | 70° | 75° | 31% | 3 mph NE | 92% | 0 | |
| 4 AM | Overcast | 70° | 74° | 30% | 4 mph NE | 91% | 0 | |
| 5 AM | Overcast | 69° | 74° | 29% | 3 mph NE | 90% | 0 | |
| 6 AM | Overcast | 69° | 73° | 29% | 4 mph NNE | 89% | 0 | |
| 7 AM | Overcast | 69° | 72° | 28% | 3 mph NNE | 88% | 0 | |
| 8 AM | Overcast | 67° | 70° | 27% | 3 mph NE | 85% | 0 | |
| 9 AM | Overcast | 68° | 70° | 22% | 4 mph NE | 78% | 5 | |
| 10 AM | Overcast | 72° | 74° | 19% | 4 mph NE | 71% | 5 | |
| 11 AM | Overcast | 75° | 77° | 16% | 4 mph NE | 64% | 5 | |
| 12 PM | Overcast | 79° | 80° | 13% | 4 mph NNE | 57% | 6 | |
| 1 PM | Overcast | 82° | 82° | 12% | 5 mph NNE | 51% | 6 | |
| 2 PM | Overcast | 84° | 84° | 11% | 5 mph NE | 45% | 6 | |
| 3 PM | Overcast | 85° | 84° | 10% | 5 mph NE | 42% | 6 | |
| 4 PM | Sunny | 86° | 86° | 2% | 4 mph ENE | 40% | 8 | |
| 5 PM | Partly Cloudy | 86° | 87° | 4% | 3 mph ENE | 39% | 8 | |
| 6 PM | Cloudy | 85° | 85° | 8% | 2 mph E | 43% | 6 | |
| 7 PM | Sunny | 82° | 84° | 4% | 1 mph ESE | 56% | 7 | |
| 8 PM | Cloudy | 82° | 84° | 11% | 1 mph NNE | 63% | 6 | |
| 9 PM | Overcast | 80° | 83° | 16% | 4 mph NNE | 66% | 0 | |
| 10 PM | Overcast | 78° | 80° | 16% | 4 mph NNE | 65% | 0 | |
| 11 PM | Overcast | 75° | 77° | 17% | 6 mph NE | 69% | 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 69°F (21°C) around 9 AM up to 88°F (31°C) near 2 PM - right in line with the typical August high of 86°F (30°C).
Precipitation is a real possibility: the chance of rain peaks at 51% around 3 AM. UV reaches 9 (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.