Chattanooga (TN)
October
Weather in Chattanooga, Tennessee for October 2025
Your guide to Chattanooga weather in October - trends and predictions
Until now, October 2025 in Chattanooga is slightly cooler than the historical average by -1.7 °F.
The forecast for the coming days of October 2025 predicts a temperature of 14.1 °F , which is warmer than usual.
In general, the average temperature in Chattanooga at the beginning of October is 25.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.3 °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° /17° | 0 mm | 6 | |
| Oct. 2 |  Mist | 27° /18° | 0 mm | 6 | |
| Oct. 3 | Mist | 26° /16° | 0 mm | 6 | |
| Oct. 4 |  Overcast | 26° /16° | 0 mm | 6 | |
| Oct. 5 | Partly cloudy | 25° /17° | 0 mm | 6 | |
| Oct. 6 |  Light rain shower | 25° /16° | 6.7 mm | 6 | |
| Oct. 7 |  Sunny | 22° /15° | 0.1 mm | 6 | |
| Oct. 8 | Sunny | 21° /12° | 34.5 mm | 5 | |
| Oct. 9 | Partly cloudy | 22° /11° | 0 mm | 5 | |
| Oct. 10 | Sunny | 23° /13° | 0 mm | 6 | |
| Oct. 11 |  Thundery outbreaks possible | 22° /13° | 0 mm | 5 | |
| Oct. 12 | Fog | 24° /12° | 0 mm | 6 | |
| Oct. 13 |  Moderate rain | 22° /12° | 0.9 mm | 6 | |
| Oct. 14 | Patchy rain possible | 24° /13° | 0 mm | 6 | |
| Oct. 15 | Patchy rain possible | 16° /10° | 0.1 mm | 4 | |
| Oct. 16 | Sunny | 17° /9° | 0 mm | 5 | |
| Oct. 17 | Mist | 18° /6° | 0 mm | 5 | |
| Oct. 18 | Mist | 21° /11° | 0 mm | 5 | |
| Oct. 19 | Patchy rain possible | 21° /11° | 29.1 mm | 5 | |
| Oct. 20 |  Moderate or heavy rain shower | 21° /9° | 6.5 mm | 5 | |
| Oct. 21 | Partly cloudy | 24° /11° | 0 mm | 6 | |
| Oct. 22 | Overcast | 22° /10° | 0 mm | 5 | |
| Oct. 23 | Overcast | 23° /10° | 0 mm | 5 | |
| Oct. 24 | Sunny | 21° /10° | 0 mm | 5 | |
| Oct. 25 | Overcast | 22° /8° | 0 mm | 5 | |
| Oct. 26 | Mist | 21° /11° | 5.2 mm | 5 | |
| Oct. 27 | Mist | 18° /11° | 35.8 mm | 4 | |
| Oct. 28 |  Cloudy | 22° /12° | 0 mm | 5 | |
| Oct. 29 |  Heavy rain | 9° /7° | 23.5 mm | 0.1 | |
| Oct. 30 | Patchy rain possible | 11° /8° | 1.3 mm | 0.2 | |
| Oct. 31 | Partly cloudy | 11° /5° | 0 mm | 0.9 | |
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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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