Knoxville, TN 14-Day Forecast
Tennessee, United States 🇺🇸
92°
Partly Cloudy right now
Today: high 96°, low 74°
Updated just now
Knoxville weather for the next 14 days
Saturday, July 18
Patchy rain nearby High 89° Low 70°Precipitation
85%
· 0.43 in
Max wind
7 mph
Humidity
85%
UV index
11 - Very High
Sunrise / sunset
06:32 AM / 08:51 PM
Sunday, July 19
Patchy rain nearby High 90° Low 70°Precipitation
65%
· 0.11 in
Max wind
4 mph
Humidity
78%
UV index
10 - Very High
Sunrise / sunset
06:33 AM / 08:50 PM
Monday, July 20
Sunny High 93° Low 70°Precipitation
57%
· 0.09 in
Max wind
4 mph
Humidity
73%
UV index
10 - Very High
Sunrise / sunset
06:34 AM / 08:49 PM
Tuesday, July 21
Sunny High 94° Low 72°Precipitation
17%
· 0.0 in
Max wind
10 mph
Humidity
72%
UV index
8 - Very High
Sunrise / sunset
06:34 AM / 08:49 PM
Wednesday, July 22
Sunny High 87° Low 68°Precipitation
58%
· 0.15 in
Max wind
8 mph
Humidity
68%
UV index
8 - Very High
Sunrise / sunset
06:35 AM / 08:48 PM
Thursday, July 23
Sunny High 82° Low 60°Precipitation
5%
· 0.0 in
Max wind
7 mph
Humidity
61%
UV index
7 - High
Sunrise / sunset
06:36 AM / 08:48 PM
Friday, July 24
Sunny High 80° Low 61°Precipitation
5%
· 0.0 in
Max wind
3 mph
Humidity
63%
UV index
7 - High
Sunrise / sunset
06:37 AM / 08:47 PM
Saturday, July 25
Patchy rain nearby High 76° Low 68°Precipitation
78%
· 0.16 in
Max wind
4 mph
Humidity
85%
UV index
5 - Moderate
Sunrise / sunset
06:37 AM / 08:46 PM
Sunday, July 26
Sunny High 87° Low 66°Precipitation
11%
· 0.0 in
Max wind
5 mph
Humidity
74%
UV index
8 - Very High
Sunrise / sunset
06:38 AM / 08:45 PM
Monday, July 27
Sunny High 86° Low 67°Precipitation
36%
· 0.02 in
Max wind
9 mph
Humidity
61%
UV index
8 - Very High
Sunrise / sunset
06:39 AM / 08:45 PM
Tuesday, July 28
Sunny High 87° Low 59°Precipitation
3%
· 0.0 in
Max wind
4 mph
Humidity
53%
UV index
8 - Very High
Sunrise / sunset
06:40 AM / 08:44 PM
Wednesday, July 29
Sunny High 92° Low 64°Precipitation
2%
· 0.0 in
Max wind
6 mph
Humidity
50%
UV index
8 - Very High
Sunrise / sunset
06:40 AM / 08:43 PM
Thursday, July 30
Sunny High 96° Low 69°Precipitation
3%
· 0.0 in
Max wind
8 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
06:41 AM / 08:42 PM
Knoxville 14-day outlook: the story
The warmest day of Knoxville's 14-day outlook is Friday, July 17 with a high near 96°F (36°C); the coolest night comes Tuesday, July 28, dipping to 59°F (15°C). The trend points cooler: week two runs about 4°F below week one. Highs over the next two weeks average 90°F (32°C), right in line with the typical July high of 88°F (31°C).
Precipitation is most likely on Friday 17, Saturday 18, Sunday 19, Monday 20 and beyond; the wettest day looks like Friday, July 17 with about 0.86 in (21.9 mm) expected. For the weekend, expect Saturday 89°F (32°C) and patchy rain nearby / Sunday 90°F (32°C) and patchy rain nearby.
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 6 of the next 14 days, peaking around Friday, July 17.
What will be the warmest day in Knoxville over the next 14 days?
Friday, July 17, with a forecast high near 96°F (36°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