Chattanooga, TN 14-Day Forecast

Tennessee, United States 🇺🇸
80°
Sunny right now Today: high 81°, low 60°
Updated 5 hours ago

Chattanooga weather for the next 14 days

Today

Sunny High 81° Low 60°
Precipitation
10% · 0.0 in
9 mph
6 - Moderate
Sunrise / sunset
07:39 AM / 07:20 PM

Tuesday, October 6

Sunny High 82° Low 55°
Precipitation
4% · 0.0 in
Max wind
6 mph
Humidity
60%
UV index
6 - High
Sunrise / sunset
07:39 AM / 07:18 PM

Wednesday, October 7

Sunny High 83° Low 56°
Precipitation
4% · 0.0 in
Max wind
4 mph
Humidity
62%
UV index
6 - Moderate
Sunrise / sunset
07:40 AM / 07:17 PM

Thursday, October 8

Sunny High 85° Low 57°
Precipitation
5% · 0.0 in
Max wind
4 mph
Humidity
63%
UV index
6 - Moderate
Sunrise / sunset
07:41 AM / 07:15 PM

Friday, October 9

Sunny High 83° Low 59°
Precipitation
8% · 0.0 in
Max wind
5 mph
Humidity
68%
UV index
7 - High
Sunrise / sunset
07:42 AM / 07:14 PM

Saturday, October 10

Overcast High 78° Low 61°
Precipitation
20% · 0.0 in
Max wind
7 mph
Humidity
74%
UV index
6 - High
Sunrise / sunset
07:43 AM / 07:13 PM

Sunday, October 11

Overcast High 68° Low 61°
Precipitation
90% · 0.66 in
Max wind
7 mph
Humidity
85%
UV index
4 - Moderate
Sunrise / sunset
07:43 AM / 07:11 PM

Monday, October 12

Mist High 65° Low 61°
Precipitation
95% · 0.57 in
Max wind
5 mph
Humidity
96%
UV index
4 - Moderate
Sunrise / sunset
07:44 AM / 07:10 PM

Tuesday, October 13

Fog High 67° Low 64°
Precipitation
95% · 0.59 in
Max wind
4 mph
Humidity
99%
UV index
4 - Moderate
Sunrise / sunset
07:45 AM / 07:09 PM

Wednesday, October 14

Fog High 82° Low 62°
Precipitation
83% · 0.2 in
Max wind
5 mph
Humidity
89%
UV index
7 - High
Sunrise / sunset
07:46 AM / 07:07 PM

Thursday, October 15

Mist High 76° Low 58°
Precipitation
71% · 0.2 in
Max wind
8 mph
Humidity
75%
UV index
6 - High
Sunrise / sunset
07:47 AM / 07:06 PM

Friday, October 16

Overcast High 58° Low 52°
Precipitation
88% · 0.55 in
Max wind
8 mph
Humidity
83%
UV index
3 - Moderate
Sunrise / sunset
07:48 AM / 07:05 PM

Saturday, October 17

Light rain High 56° Low 48°
Precipitation
93% · 0.7 in
Max wind
8 mph
Humidity
95%
UV index
3 - Moderate
Sunrise / sunset
07:48 AM / 07:04 PM

Sunday, October 18

Sunny High 63° Low 46°
Precipitation
10% · 0.0 in
Max wind
10 mph
Humidity
72%
UV index
5 - Moderate
Sunrise / sunset
07:49 AM / 07:02 PM

Chattanooga 14-day outlook: the story

The warmest day of Chattanooga's 14-day outlook is Thursday, October 8 with a high near 85°F (29°C); the coolest night comes Sunday, October 18, dipping to 46°F (8°C). The trend points cooler: week two runs about 13°F below week one. Highs over the next two weeks average 80°F (27°C), about 7°F (4°C) above the typical October high of 73°F (23°C).

Precipitation is most likely on Sunday 11, Monday 12, Tuesday 13, Wednesday 14 and beyond; the wettest day looks like Saturday, October 17 with about 0.7 in (17.9 mm) expected. For the weekend, expect Saturday 78°F (26°C) and overcast / Sunday 68°F (20°C) and overcast.

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 Saturday, October 17.
What will be the warmest day in Chattanooga over the next 14 days?
Thursday, October 8, with a forecast high near 85°F (29°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

Monthly averages for Chattanooga based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 50° 33° 10 5.3 in 6.5 h/day 10.0 h 33% 74%
February 56° 37° 13 6.3 in 6.3 h/day 10.9 h 45% 74%
March 63° 43° 13 6.1 in 8.0 h/day 11.9 h 41% 71%
April 70° 49° 11 5.1 in 9.7 h/day 13.0 h 37% 70%
May 79° 59° 11 4.1 in 10.8 h/day 14.0 h 37% 73%
June 85° 67° 14 4.1 in 11.6 h/day 14.5 h 45% 74%
July 88° 71° 16 5.0 in 11.5 h/day 14.3 h 51% 76%
August 87° 70° 14 4.5 in 10.7 h/day 13.5 h 44% 75%
September 83° 65° 8 3.8 in 10.0 h/day 12.3 h 27% 71%
October 73° 54° 8 3.7 in 8.9 h/day 11.2 h 24% 72%
November 62° 44° 9 3.7 in 7.5 h/day 10.3 h 30% 73%
December 54° 38° 11 5.6 in 5.9 h/day 9.8 h 35% 78%
14-day forecasts nearby