Knoxville, TN Hourly Forecast
Tennessee, United States 🇺🇸
70°
Clear
Feels like 70°
Updated 1 hour ago
Knoxville temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 4 PM - around 91°
- Coolest hour: 3 AM - around 70°
- Highest rain chance: 12 AM (72%) - pack accordingly
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 5 PM at 9 mph
Knoxville hourly weather - Wednesday, August 12
In Knoxville, expect a high near 91°F (33°C) around 4 PM and a low of 70°F (21°C) near 3 AM; precipitation risk peaks at 66% around 11 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 3 AM | Clear | 70° | 70° | 18% | 2 mph ENE | 100% | 0 | |
| 4 AM | Clear | 71° | 78° | 18% | 1 mph NW | 92% | 0 | |
| 5 AM | Clear | 75° | 81° | 15% | 3 mph SW | 87% | 0 | |
| 6 AM | Mist | 71° | 77° | 18% | 3 mph SW | 94% | 0 | |
| 7 AM | Sunny | 73° | 79° | 14% | 2 mph SSW | 92% | 0 | |
| 8 AM | Sunny | 74° | 80° | 13% | 3 mph SSW | 89% | 0 | |
| 9 AM | Sunny | 76° | 81° | 12% | 4 mph SW | 86% | 1 | |
| 10 AM | Sunny | 78° | 84° | 12% | 5 mph SW | 84% | 3 | |
| 11 AM | Patchy light rain in area with thunder | 80° | 86° | 66% | 3 mph WNW | 82% | 5 | |
| 12 PM | Partly Cloudy | 85° | 96° | 12% | 4 mph NNE | 82% | 7 | |
| 1 PM | Sunny | 84° | 90° | 5% | 2 mph E | 68% | 8 | |
| 2 PM | Sunny | 88° | 93° | 3% | 4 mph SSW | 55% | 8 | |
| 3 PM | Sunny | 90° | 94° | 3% | 7 mph SW | 51% | 7 | |
| 4 PM | Sunny | 91° | 96° | 2% | 9 mph SW | 48% | 4 | |
| 5 PM | Patchy rain nearby | 91° | 95° | 9% | 9 mph WSW | 48% | 2 | |
| 6 PM | Thundery outbreaks in nearby | 90° | 95° | 5% | 7 mph WSW | 51% | 1 | |
| 7 PM | Patchy rain nearby | 87° | 93° | 12% | 6 mph SW | 59% | 0 | |
| 8 PM | Thundery outbreaks in nearby | 82° | 86° | 9% | 5 mph SSW | 70% | 0 | |
| 9 PM | Clear | 79° | 83° | 8% | 4 mph SW | 74% | 0 | |
| 10 PM | Clear | 78° | 82° | 9% | 5 mph SW | 78% | 0 | |
| 11 PM | Moderate rain at times | 76° | 81° | 53% | 4 mph SW | 82% | 0 |
Knoxville hourly weather - Thursday, August 13
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 6 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 74° | 79° | 72% | 4 mph SW | 87% | 0 | |
| 1 AM | Patchy rain nearby | 72° | 78° | 56% | 4 mph SSW | 94% | 0 | |
| 2 AM | Mist | 72° | 77° | 21% | 4 mph SSW | 94% | 0 | |
| 3 AM | Mist | 72° | 77° | 21% | 3 mph SSW | 94% | 0 | |
| 4 AM | Clear | 72° | 77° | 17% | 3 mph SW | 93% | 0 | |
| 5 AM | Mist | 71° | 77° | 37% | 3 mph SSW | 94% | 0 | |
| 6 AM | Patchy rain nearby | 70° | 76° | 73% | 2 mph SSW | 95% | 0 | |
| 7 AM | Mist | 70° | 76° | 45% | 4 mph SW | 96% | 0 | |
| 8 AM | Mist | 72° | 78° | 21% | 4 mph SSW | 95% | 0 | |
| 9 AM | Patchy rain nearby | 75° | 81° | 25% | 5 mph SW | 91% | 1 | |
| 10 AM | Patchy rain nearby | 78° | 83° | 22% | 6 mph SW | 83% | 3 | |
| 11 AM | Patchy rain nearby | 83° | 88° | 15% | 7 mph SW | 69% | 5 | |
| 12 PM | Patchy rain nearby | 87° | 92° | 12% | 7 mph WSW | 60% | 7 | |
| 1 PM | Patchy rain nearby | 90° | 96° | 17% | 8 mph WSW | 54% | 7 | |
| 2 PM | Thundery outbreaks in nearby | 88° | 95° | 9% | 6 mph W | 58% | 7 | |
| 3 PM | Patchy rain nearby | 83° | 88° | 24% | 4 mph WSW | 70% | 6 | |
| 4 PM | Patchy rain nearby | 87° | 93° | 36% | 4 mph WSW | 61% | 5 | |
| 5 PM | Partly Cloudy | 90° | 95° | 3% | 4 mph WSW | 50% | 2 | |
| 6 PM | Partly Cloudy | 90° | 95° | 5% | 3 mph WSW | 51% | 1 | |
| 7 PM | Sunny | 88° | 95° | 5% | 4 mph S | 62% | 0 | |
| 8 PM | Sunny | 82° | 86° | 6% | 4 mph SSE | 70% | 0 | |
| 9 PM | Patchy rain nearby | 77° | 84° | 29% | 3 mph S | 83% | 0 | |
| 10 PM | Patchy rain nearby | 76° | 82° | 28% | 3 mph SSW | 86% | 0 | |
| 11 PM | Clear | 75° | 81° | 13% | 4 mph SW | 89% | 0 |
Knoxville hourly weather - Friday, August 14
In Knoxville, expect a high near 98°F (37°C) around 5 PM and a low of 71°F (22°C) near 7 AM; precipitation risk peaks at 75% around 3 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 74° | 80° | 14% | 3 mph SSW | 90% | 0 | |
| 1 AM | Clear | 74° | 80° | 14% | 3 mph SSW | 91% | 0 | |
| 2 AM | Clear | 73° | 79° | 14% | 3 mph SSW | 91% | 0 | |
| 3 AM | Patchy rain nearby | 72° | 79° | 75% | 3 mph SW | 92% | 0 | |
| 4 AM | Light rain shower | 71° | 77° | 49% | 4 mph SSW | 96% | 0 | |
| 5 AM | Mist | 72° | 78° | 25% | 3 mph SSW | 95% | 0 | |
| 6 AM | Mist | 72° | 78° | 24% | 3 mph SSW | 95% | 0 | |
| 7 AM | Mist | 71° | 77° | 38% | 4 mph SW | 95% | 0 | |
| 8 AM | Mist | 73° | 79° | 21% | 4 mph SW | 94% | 0 | |
| 9 AM | Patchy rain nearby | 77° | 83° | 25% | 5 mph SW | 88% | 1 | |
| 10 AM | Patchy rain nearby | 81° | 86° | 19% | 6 mph SW | 78% | 3 | |
| 11 AM | Patchy rain nearby | 86° | 92° | 14% | 6 mph SW | 64% | 5 | |
| 12 PM | Patchy rain nearby | 90° | 97° | 11% | 6 mph WSW | 55% | 7 | |
| 1 PM | Patchy rain nearby | 93° | 100° | 9% | 6 mph WSW | 49% | 9 | |
| 2 PM | Thundery outbreaks in nearby | 95° | 102° | 3% | 6 mph SW | 44% | 9 | |
| 3 PM | Sunny | 97° | 103° | 2% | 6 mph SW | 40% | 8 | |
| 4 PM | Sunny | 98° | 101° | 2% | 6 mph WSW | 38% | 5 | |
| 5 PM | Patchy rain nearby | 98° | 100° | 8% | 7 mph W | 37% | 1 | |
| 6 PM | Thundery outbreaks in nearby | 97° | 102° | 2% | 4 mph W | 40% | 2 | |
| 7 PM | Sunny | 91° | 97° | 3% | 5 mph WNW | 53% | 0 | |
| 8 PM | Sunny | 86° | 92° | 4% | 4 mph WNW | 63% | 0 | |
| 9 PM | Clear | 83° | 87° | 5% | 2 mph WSW | 68% | 0 | |
| 10 PM | Clear | 81° | 85° | 6% | 1 mph WNW | 70% | 0 | |
| 11 PM | Clear | 80° | 84° | 7% | 2 mph S | 72% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Knoxville today?
4 PM is forecast to be the warmest, at about 91°F (33°C) with sunny.
Will it rain in Knoxville tonight?
Quite possibly - the chance of precipitation reaches 53% around 11 PM. Keep rain gear handy.
When is the UV index highest in Knoxville today?
Around 1 PM, when it reaches 8. From UV 3 upward, sun protection is recommended.
Knoxville hour-by-hour: what to expect
Over the next 24 hours in Knoxville, temperatures range from 70°F (21°C) around 3 AM up to 91°F (33°C) near 4 PM - about 5°F (3°C) above the typical August high of 86°F (30°C).
Precipitation is a real possibility: the chance of rain peaks at 72% around 12 AM. UV reaches 8 (1 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.
Hourly forecasts nearby