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Chattanooga in October: Weather, Average temperature and Climate

Discover the weather for Chattanooga in October and if it’s a good time to travel (based on historical data).
Check flight prices to Chattanooga on Avionero:
October

Weather in Chattanooga in October 2025

Good Weather
Mild
☀️
Sunny
Weather for Chattanooga in October is typically good with an average maximum temperature of +22°C during the day, and approximately 11 sunny days monthly. Typically, there are about 10 rainy days with the total average precipitation that falls in October around 78 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+22°C
Avg. max. temperature
-2°C
Min.
+36°C
Max.
78 mm
Total precipitation
72%
Avg. humidity
1 m/s
Avg. wind
11 ☀️
Sunny Days
9 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Chattanooga has good weather in October.

Average temperature in Chattanooga in October

Here are the expected maximum, average and minimum temperatures in Chattanooga for October based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in October is +23°C with a maximum of +30°C and a minimum of +5°C.

The average maximum temperature goes down 56% by the end of the month, compared with the beginning of the month, from +29°C to +15°C.

Is Chattanooga warm or cold in October?

Chattanooga is typically mild in October.

Maximum temperatures go down compared to the previous month from +28°C to +22°C. The minimum temperature also goes down from +17°C to +11°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Chattanooga:

Climate in Chattanooga in October

Chattanooga weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+28°C+22°C+16°C
Min. temperature
+5°C-2°C-7°C
Max. temperature
+36°C+36°C+29°C
Rainfall
95 mm78 mm100 mm
Wind
1 m/s1 m/s1 m/s
Humidity
73%72%71%
Air pressure
1017 HPa1018 HPa1020 HPa
Sunny days
8119
Cloudy days
7910
Rainy days
101010
Snowy days
000

October weather is still as good as in September. It’s getting colder in October. From +28°C in the day, the average maximum temperature lowers to +22°C. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 95 mm to 78 mm. It feels drier, as humidity decreases from 73% to 72%. The average wind speed doesn’t change much during October, staying around 1 m/s. The good news is there are likely to be more sunny days in October, from 8 to 11.

November brings much the same weather, it remains good.

Wind

Wind speed in Chattanooga in October based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Chattanooga is gradually increasing during October, going from 1 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Chattanooga based on historical data.
Last Year
Historical Data
Total precipitation in October is about 22 mm, with a 19% chance of rain on a typical day. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. On average, there are about 6 rainy days during October, so prepare to bring an umbrella.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Chattanooga wettest month is March, where a typical day has a 35% chance of precipitation and 132 mm of rainfall per day. October, on the other hand, is the driest month with a mere 32% chance of precipitation and 78 mm of rainfall per day.

How was the weather last October in Chattanooga?

This is the weather in Chattanooga in October 2023:
1 October
☀️
+29°C
2 October
☀️
+29°C
3 October
☀️
+30°C
4 October
☀️
+28°C
5 October
☁️
+26°C
6 October
🌧️
+22°C
7 October
☀️
+19°C
8 October
☀️
+19°C
9 October
☀️
+25°C
10 October
☁️
+27°C
11 October
☁️
+19°C
12 October
☁️
+24°C
13 October
☀️
+21°C
14 October
☁️
+24°C
15 October
☁️
+17°C
16 October
☁️
+13°C
17 October
☁️
+18°C
18 October
☀️
+21°C
19 October
☁️
+22°C
20 October
☁️
+22°C
21 October
☀️
+25°C
22 October
☀️
+23°C
23 October
☁️
+24°C
24 October
☁️
+25°C
25 October
☀️
+26°C
26 October
☁️
+26°C
27 October
☁️
+26°C
28 October
☁️
+28°C
29 October
☀️
+28°C
30 October
☁️
+22°C
31 October
☁️
+15°C
In October 2023 Chattanooga had 13 sunny days, 17 cloudy days, and 1 rainy days. The average maximum temperature was +23°C, with an absolute maximum of +30°C and a minimum of +13°C. The average humidity was 68%, with a maximum of 100% and a minimum of 23%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change over Years

This is how Chattanooga climate have been changing during last 43 years period.

The climate in Chattanooga in October has not changed much over the last 43 years.

The average temperature was the lowest in 1979 (+20°C) and the highest in 2016 (+24°C). The driest year was 2007 with only 654 mm of rainfall, and the wettest year was 2019 with 2402 mm.

FAQ

Frequently asked questions about the weather in Chattanooga in October:

Is October a good time to visit Chattanooga?

October is a really good time to go to Chattanooga. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Chattanooga.

Can you sunbathe in Chattanooga in October?

October has mild temperatures in Chattanooga. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Chattanooga rainy in October?

Chattanooga is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Chattanooga in October?

The amount of sunny days in Chattanooga during October varies; prepare for a mix of clouds and sun.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Chattanooga

Source of the data

For this page, we’ve looked at the typical weather in Chattanooga, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.