Chattanooga, TN 14-Day Forecast
Tennessee, United States 🇺🇸
84°
Patchy rain nearby right now
Today: high 90°, low 71°
Updated just now
Chattanooga weather for the next 14 days
Friday, August 7
Patchy rain nearby High 91° Low 63°Precipitation
74%
· 0.3 in
Max wind
4 mph
Humidity
78%
UV index
10 - Very High
Sunrise / sunset
06:55 AM / 08:38 PM
Saturday, August 8
Patchy rain nearby High 91° Low 65°Precipitation
80%
· 0.31 in
Max wind
4 mph
Humidity
81%
UV index
9 - Very High
Sunrise / sunset
06:56 AM / 08:37 PM
Sunday, August 9
Patchy rain nearby High 91° Low 66°Precipitation
82%
· 0.48 in
Max wind
7 mph
Humidity
80%
UV index
10 - Very High
Sunrise / sunset
06:56 AM / 08:36 PM
Monday, August 10
Patchy rain nearby High 90° Low 66°Precipitation
50%
· 0.03 in
Max wind
8 mph
Humidity
79%
UV index
9 - Very High
Sunrise / sunset
06:57 AM / 08:35 PM
Tuesday, August 11
Sunny High 94° Low 67°Precipitation
57%
· 0.09 in
Max wind
7 mph
Humidity
74%
UV index
8 - Very High
Sunrise / sunset
06:58 AM / 08:34 PM
Wednesday, August 12
Sunny High 94° Low 68°Precipitation
70%
· 0.2 in
Max wind
10 mph
Humidity
75%
UV index
8 - Very High
Sunrise / sunset
06:59 AM / 08:33 PM
Thursday, August 13
Patchy rain nearby High 84° Low 67°Precipitation
82%
· 0.41 in
Max wind
12 mph
Humidity
83%
UV index
7 - High
Sunrise / sunset
06:59 AM / 08:32 PM
Friday, August 14
Patchy rain nearby High 87° Low 66°Precipitation
73%
· 0.11 in
Max wind
6 mph
Humidity
86%
UV index
7 - High
Sunrise / sunset
07:00 AM / 08:31 PM
Saturday, August 15
Mist High 82° Low 68°Precipitation
58%
· 0.03 in
Max wind
4 mph
Humidity
91%
UV index
6 - High
Sunrise / sunset
07:01 AM / 08:30 PM
Sunday, August 16
Patchy rain nearby High 87° Low 66°Precipitation
60%
· 0.05 in
Max wind
5 mph
Humidity
84%
UV index
7 - High
Sunrise / sunset
07:02 AM / 08:28 PM
Monday, August 17
Mist High 88° Low 68°Precipitation
76%
· 0.23 in
Max wind
8 mph
Humidity
83%
UV index
7 - High
Sunrise / sunset
07:02 AM / 08:27 PM
Tuesday, August 18
Sunny High 86° Low 66°Precipitation
11%
· 0.0 in
Max wind
9 mph
Humidity
78%
UV index
8 - Very High
Sunrise / sunset
07:03 AM / 08:26 PM
Wednesday, August 19
Sunny High 87° Low 58°Precipitation
4%
· 0.0 in
Max wind
5 mph
Humidity
62%
UV index
8 - Very High
Sunrise / sunset
07:04 AM / 08:25 PM
Chattanooga 14-day outlook: the story
The warmest day of Chattanooga's 14-day outlook is Wednesday, August 12 with a high near 94°F (34°C); the coolest night comes Wednesday, August 19, dipping to 58°F (15°C). The trend points cooler: week two runs about 6°F below week one. Highs over the next two weeks average 92°F (33°C), about 5°F (3°C) above the typical August high of 87°F (31°C).
Precipitation is most likely on Friday 7, Saturday 8, Sunday 9, Monday 10 and beyond; the wettest day looks like Sunday, August 9 with about 0.48 in (12.1 mm) expected. For the weekend, expect Saturday 91°F (33°C) and patchy rain nearby / Sunday 91°F (33°C) and patchy rain nearby.
For typical conditions month by month, see the Chattanooga climate & average temperatures guide.
Chattanooga forecast questions
Will it rain in Chattanooga this week?
The forecast currently shows meaningful precipitation chances on 11 of the next 14 days, peaking around Sunday, August 9.
What will be the warmest day in Chattanooga over the next 14 days?
Wednesday, August 12, with a forecast high near 94°F (34°C).
How accurate is a 14-day forecast for Chattanooga?
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 Chattanooga by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 50° | 33° | 10 | 5.3 in | 6.5 h/day | 74% |
| February | 56° | 37° | 13 | 6.3 in | 6.3 h/day | 74% |
| March | 63° | 43° | 13 | 6.1 in | 8.0 h/day | 71% |
| April | 70° | 49° | 11 | 5.1 in | 9.7 h/day | 70% |
| May | 79° | 59° | 11 | 4.1 in | 10.8 h/day | 73% |
| June | 85° | 67° | 14 | 4.1 in | 11.6 h/day | 74% |
| July | 88° | 71° | 16 | 5.0 in | 11.5 h/day | 76% |
| August | 87° | 70° | 14 | 4.5 in | 10.7 h/day | 75% |
| September | 83° | 65° | 8 | 3.8 in | 10.0 h/day | 71% |
| October | 73° | 54° | 8 | 3.7 in | 8.9 h/day | 72% |
| November | 62° | 44° | 9 | 3.7 in | 7.5 h/day | 73% |
| December | 54° | 38° | 11 | 5.6 in | 5.9 h/day | 78% |
14-day forecasts nearby