Chattanooga, TN 14-Day Forecast
Tennessee, United States 🇺🇸
95°
Sunny right now
Today: high 98°, low 69°
Updated 58 min ago
Chattanooga weather for the next 14 days
Thursday, August 13
Sunny High 96° Low 69°Precipitation
36%
· 0.02 in
Max wind
8 mph
Humidity
67%
UV index
10 - Very High
Sunrise / sunset
06:59 AM / 08:32 PM
Friday, August 14
Sunny High 100° Low 71°Precipitation
64%
· 0.23 in
Max wind
6 mph
Humidity
71%
UV index
9 - Very High
Sunrise / sunset
07:00 AM / 08:31 PM
Saturday, August 15
Sunny High 98° Low 68°Precipitation
72%
· 0.44 in
Max wind
7 mph
Humidity
75%
UV index
9 - Very High
Sunrise / sunset
07:01 AM / 08:30 PM
Sunday, August 16
Sunny High 98° Low 69°Precipitation
5%
· 0.0 in
Max wind
6 mph
Humidity
69%
UV index
9 - Very High
Sunrise / sunset
07:02 AM / 08:28 PM
Monday, August 17
Sunny High 99° Low 73°Precipitation
5%
· 0.0 in
Max wind
8 mph
Humidity
65%
UV index
9 - Very High
Sunrise / sunset
07:02 AM / 08:27 PM
Tuesday, August 18
Sunny High 98° Low 72°Precipitation
67%
· 0.25 in
Max wind
6 mph
Humidity
72%
UV index
8 - Very High
Sunrise / sunset
07:03 AM / 08:26 PM
Wednesday, August 19
Sunny High 97° Low 72°Precipitation
75%
· 0.52 in
Max wind
6 mph
Humidity
75%
UV index
9 - Very High
Sunrise / sunset
07:04 AM / 08:25 PM
Thursday, August 20
Sunny High 97° Low 72°Precipitation
70%
· 0.33 in
Max wind
4 mph
Humidity
75%
UV index
8 - Very High
Sunrise / sunset
07:05 AM / 08:24 PM
Friday, August 21
Fog High 95° Low 69°Precipitation
51%
· 0.03 in
Max wind
7 mph
Humidity
77%
UV index
8 - Very High
Sunrise / sunset
07:05 AM / 08:22 PM
Saturday, August 22
Sunny High 88° Low 67°Precipitation
7%
· 0.0 in
Max wind
11 mph
Humidity
73%
UV index
8 - Very High
Sunrise / sunset
07:06 AM / 08:21 PM
Sunday, August 23
Sunny High 85° Low 63°Precipitation
8%
· 0.0 in
Max wind
7 mph
Humidity
72%
UV index
7 - High
Sunrise / sunset
07:07 AM / 08:20 PM
Monday, August 24
Sunny High 90° Low 65°Precipitation
57%
· 0.05 in
Max wind
3 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
07:08 AM / 08:19 PM
Tuesday, August 25
Patchy rain nearby High 92° Low 70°Precipitation
39%
· 0.02 in
Max wind
3 mph
Humidity
74%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 08:17 PM
Chattanooga 14-day outlook: the story
The warmest day of Chattanooga's 14-day outlook is Friday, August 14 with a high near 100°F (38°C); the coolest night comes Sunday, August 23, dipping to 63°F (17°C). The trend points cooler: week two runs about 6°F below week one. Highs over the next two weeks average 98°F (37°C), about 11°F (6°C) above the typical August high of 87°F (31°C).
Precipitation is most likely on Friday 14, Saturday 15, Tuesday 18, Wednesday 19 and beyond; the wettest day looks like Wednesday, August 19 with about 0.52 in (13.3 mm) expected. For the weekend, expect Saturday 98°F (37°C) and sunny / Sunday 98°F (37°C) and sunny.
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 7 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in Chattanooga over the next 14 days?
Friday, August 14, with a forecast high near 100°F (38°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