Knoxville, TN 14-Day Forecast
Tennessee, United States 🇺🇸
94°
Sunny right now
Today: high 95°, low 68°
Updated 16 min ago
Knoxville weather for the next 14 days
Friday, August 7
Partly Cloudy High 89° Low 67°Precipitation
39%
· 0.02 in
Max wind
6 mph
Humidity
75%
UV index
9 - Very High
Sunrise / sunset
06:47 AM / 08:34 PM
Saturday, August 8
Patchy rain nearby High 91° Low 68°Precipitation
57%
· 0.07 in
Max wind
6 mph
Humidity
73%
UV index
6 - High
Sunrise / sunset
06:48 AM / 08:33 PM
Sunday, August 9
Sunny High 92° Low 68°Precipitation
36%
· 0.02 in
Max wind
7 mph
Humidity
73%
UV index
9 - Very High
Sunrise / sunset
06:49 AM / 08:32 PM
Monday, August 10
Sunny High 91° Low 69°Precipitation
57%
· 0.06 in
Max wind
8 mph
Humidity
73%
UV index
8 - Very High
Sunrise / sunset
06:50 AM / 08:31 PM
Tuesday, August 11
Sunny High 91° Low 69°Precipitation
36%
· 0.02 in
Max wind
8 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
06:51 AM / 08:30 PM
Wednesday, August 12
Patchy rain nearby High 90° Low 68°Precipitation
70%
· 0.16 in
Max wind
8 mph
Humidity
78%
UV index
8 - Very High
Sunrise / sunset
06:51 AM / 08:29 PM
Thursday, August 13
Mist High 89° Low 68°Precipitation
81%
· 0.41 in
Max wind
11 mph
Humidity
84%
UV index
8 - Very High
Sunrise / sunset
06:52 AM / 08:28 PM
Friday, August 14
Light rain shower High 88° Low 70°Precipitation
81%
· 0.58 in
Max wind
8 mph
Humidity
84%
UV index
8 - Very High
Sunrise / sunset
06:53 AM / 08:27 PM
Saturday, August 15
Sunny High 92° Low 71°Precipitation
36%
· 0.02 in
Max wind
7 mph
Humidity
76%
UV index
8 - Very High
Sunrise / sunset
06:54 AM / 08:26 PM
Sunday, August 16
Sunny High 95° Low 73°Precipitation
5%
· 0.0 in
Max wind
9 mph
Humidity
67%
UV index
9 - Very High
Sunrise / sunset
06:55 AM / 08:24 PM
Monday, August 17
Sunny High 92° Low 72°Precipitation
57%
· 0.06 in
Max wind
11 mph
Humidity
70%
UV index
8 - Very High
Sunrise / sunset
06:55 AM / 08:23 PM
Tuesday, August 18
Sunny High 87° Low 68°Precipitation
6%
· 0.0 in
Max wind
7 mph
Humidity
71%
UV index
8 - Very High
Sunrise / sunset
06:56 AM / 08:22 PM
Wednesday, August 19
Sunny High 89° Low 66°Precipitation
68%
· 0.27 in
Max wind
7 mph
Humidity
73%
UV index
8 - Very High
Sunrise / sunset
06:57 AM / 08:21 PM
Knoxville 14-day outlook: the story
The warmest day of Knoxville's 14-day outlook is Sunday, August 16 with a high near 95°F (35°C); the coolest night comes Wednesday, August 19, dipping to 66°F (19°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 91°F (33°C), about 5°F (3°C) above the typical August high of 86°F (30°C).
Precipitation is most likely on Saturday 8, Monday 10, Wednesday 12, Thursday 13 and beyond; the wettest day looks like Friday, August 14 with about 0.59 in (14.9 mm) expected. For the weekend, expect Saturday 91°F (33°C) and patchy rain nearby / Sunday 92°F (33°C) and sunny.
For typical conditions month by month, see the Knoxville climate & average temperatures guide.
Knoxville forecast questions
Will it rain in Knoxville this week?
The forecast currently shows meaningful precipitation chances on 7 of the next 14 days, peaking around Friday, August 14.
What will be the warmest day in Knoxville over the next 14 days?
Sunday, August 16, with a forecast high near 95°F (35°C).
How accurate is a 14-day forecast for Knoxville?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Knoxville by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 47° | 31° | 12 | 4.4 in | 6.2 h/day | 73% |
| February | 54° | 35° | 12 | 6.0 in | 6.4 h/day | 73% |
| March | 61° | 41° | 12 | 5.1 in | 8.1 h/day | 70% |
| April | 69° | 48° | 11 | 4.4 in | 9.8 h/day | 69% |
| May | 78° | 58° | 12 | 3.8 in | 10.8 h/day | 72% |
| June | 85° | 66° | 12 | 3.3 in | 11.9 h/day | 69% |
| July | 88° | 70° | 15 | 4.0 in | 11.7 h/day | 73% |
| August | 86° | 69° | 13 | 4.3 in | 11.1 h/day | 74% |
| September | 83° | 64° | 9 | 3.4 in | 10.1 h/day | 70% |
| October | 72° | 53° | 7 | 3.2 in | 9.0 h/day | 71% |
| November | 60° | 41° | 8 | 3.5 in | 7.5 h/day | 72% |
| December | 53° | 36° | 11 | 5.1 in | 5.8 h/day | 77% |
14-day forecasts nearby