Chattanooga (TN)
October
Weather in Chattanooga, Tennessee for October 2025
Your guide to Chattanooga weather in October - trends and predictions
In general, the average temperature in Chattanooga at the beginning of October is 26.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22 °F by the end of October.
With an average of 3 rainy days, Chattanooga experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
More
28
Dry days
3
Rainy days
0
Snow days
22°/12°
Temperatures
12 km/h
Avg max wind
65 %
Avg humidity
Chattanooga Weather October
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Temperatures trend during October in Chattanooga
See the weather trend as well as the moving average line
October weather in Chattanooga day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Partly cloudy | 28° /16° | 0 mm | 7 | |
| Oct. 2 |  Mist | 28° /19° | 0 mm | 6 | |
| Oct. 3 | Mist | 27° /17° | 0 mm | 6 | |
| Oct. 4 |  Overcast | 28° /17° | 0 mm | 6 | |
| Oct. 5 | Partly cloudy | 27° /18° | 0 mm | 7 | |
| Oct. 6 |  Light rain shower | 27° /16° | 1.8 mm | 6 | |
| Oct. 7 |  Sunny | 22° /13° | 0 mm | 6 | |
| Oct. 8 | Sunny | 20° /9° | 0 mm | 6 | |
| Oct. 9 | Partly cloudy | 24° /11° | 0 mm | 6 | |
| Oct. 10 | Sunny | 24° /13° | 0 mm | 6 | |
| Oct. 11 |  Thundery outbreaks possible | 22° /12° | 0 mm | 6 | |
| Oct. 12 | Fog | 25° /12° | 0 mm | 6 | |
| Oct. 13 |  Moderate rain | 22° /13° | 1.4 mm | 6 | |
| Oct. 14 | Patchy rain possible | 22° /13° | 0.1 mm | 5 | |
| Oct. 15 | Patchy rain possible | 13° /9° | 0.1 mm | 3 | |
| Oct. 16 | Patchy rain possible | 14° /6° | 0.1 mm | 4 | |
| Oct. 17 | Mist | 17° /4° | 0 mm | 5 | |
| Oct. 18 | Mist | 20° /7° | 0 mm | 5 | |
| Oct. 19 | Patchy rain possible | 20° /9° | 0.5 mm | 5 | |
| Oct. 20 |  Moderate or heavy rain shower | 22° /12° | 13.1 mm | 5 | |
| Oct. 21 | Partly cloudy | 26° /11° | 0 mm | 7 | |
| Oct. 22 | Overcast | 23° /10° | 0 mm | 5 | |
| Oct. 23 | Overcast | 23° /10° | 0 mm | 5 | |
| Oct. 24 |  Cloudy | 23° /12° | 0 mm | 6 | |
| Oct. 25 | Overcast | 24° /9° | 0 mm | 6 | |
| Oct. 26 | Mist | 25° /13° | 0 mm | 6 | |
| Oct. 27 | Mist | 22° /13° | 0.2 mm | 5 | |
| Oct. 28 | Cloudy | 22° /12° | 0 mm | 5 | |
| Oct. 29 | Overcast | 21° /14° | 0 mm | 5 | |
| Oct. 30 |  Light drizzle | 22° /11° | 0.2 mm | 5 | |
| Oct. 31 | Overcast | 18° /11° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Chattanooga in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chattanooga forecast closer to your planned date for the most up-to-date weather information.
Change Month
Chattanooga in October - FAQ
What are the expected maximum and minimum temperatures in Chattanooga during October?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chattanooga during October?
Expect minimal rainfall in Chattanooga during October, with a total of 17.4 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Chattanooga during October?
The average wind speed in Chattanooga during October is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Chattanooga
Explore the daily rainfall trends and prepare for Chattanoogas October weather 💧
UV exposure in Chattanooga during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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