Indianapolis (IN)
October
Weather in Indianapolis, Indiana for October 2025
Your guide to Indianapolis weather in October - trends and predictions
Until now, October 2025 in Indianapolis is slightly cooler than the historical average by -0.8 °F.
The forecast for the upcoming days in Indianapolis predicts a temperature of 13.9 °F, which is slightly above the historical average.
In general, the average temperature in Indianapolis at the beginning of October is 25.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16 °F by the end of October.
The climate of Indianapolis in October is notably wet, with an average of 13 rainy days, and a total of 56.7 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
18
Dry days
13
Rainy days
0
Snow days
20°/9°
Temperatures
17 km/h
Avg max wind
64 %
Avg humidity
Indianapolis Weather October
Move between months or click on a day
Temperatures trend during October in Indianapolis
See the weather trend as well as the moving average line
October weather in Indianapolis day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Mist | 27° /13° | 0 mm | 6 | |
| Oct. 2 |  Sunny | 26° /11° | 0 mm | 6 | |
| Oct. 3 | Sunny | 27° /13° | 0 mm | 6 | |
| Oct. 4 |  Overcast | 27° /14° | 0 mm | 6 | |
| Oct. 5 |  Partly cloudy | 26° /14° | 11.1 mm | 6 | |
| Oct. 6 |  Patchy rain possible | 24° /13° | 1.9 mm | 6 | |
| Oct. 7 | Overcast | 19° /8° | 0 mm | 4 | |
| Oct. 8 | Sunny | 20° /6° | 0 mm | 5 | |
| Oct. 9 | Sunny | 21° /7° | 1.1 mm | 5 | |
| Oct. 10 | Sunny | 19° /6° | 0 mm | 5 | |
| Oct. 11 | Patchy rain possible | 21° /8° | 0 mm | 5 | |
| Oct. 12 | Partly cloudy | 24° /10° | 0 mm | 6 | |
| Oct. 13 |  Cloudy | 23° /11° | 2.1 mm | 5 | |
| Oct. 14 |  Light drizzle | 19° /9° | 1.8 mm | 5 | |
| Oct. 15 | Patchy rain possible | 14° /8° | 0 mm | 3 | |
| Oct. 16 | Patchy rain possible | 15° /7° | 1.9 mm | 4 | |
| Oct. 17 | Overcast | 18° /6° | 0 mm | 4 | |
| Oct. 18 | Cloudy | 22° /7° | 17.3 mm | 5 | |
| Oct. 19 | Overcast | 21° /9° | 50.5 mm | 5 | |
| Oct. 20 | Light rain shower | 19° /6° | 0.8 mm | 5 | |
| Oct. 21 | Overcast | 20° /7° | 0 mm | 5 | |
| Oct. 22 | Patchy rain possible | 19° /5° | 0 mm | 5 | |
| Oct. 23 | Partly cloudy | 18° /5° | 0 mm | 5 | |
| Oct. 24 | Overcast | 18° /4° | 0 mm | 5 | |
| Oct. 25 | Patchy rain possible | 20° /8° | 3.4 mm | 5 | |
| Oct. 26 | Overcast | 19° /11° | 0 mm | 5 | |
| Oct. 27 | Light rain shower | 20° /10° | 2.2 mm | 5 | |
| Oct. 28 | Overcast | 17° /5° | 1.1 mm | 4 | |
| Oct. 29 | Sunny | 15° /9° | 0 mm | 0.1 | |
| Oct. 30 |  Moderate rain | 10° /7° | 8 mm | 0.4 | |
| Oct. 31 | Overcast | 11° /6° | 0 mm | 0.7 | |
| Next | |||||
Important Notice
Our weather forecast for Indianapolis 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 Indianapolis forecast closer to your planned date for the most up-to-date weather information.
Change Month
Indianapolis in October - FAQ
What are the expected maximum and minimum temperatures in Indianapolis during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Indianapolis during October?
Moderate rainfall is anticipated in Indianapolis during October, with a total of 56.7 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Indianapolis during October?
The average wind speed in Indianapolis during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Indianapolis
Explore the daily rainfall trends and prepare for Indianapoliss October weather 💧
UV exposure in Indianapolis during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Quick links
More Indianapolis weather pages
You are here
Where is Indianapolis?Get accurate weather forecasts for Indianapolis, located at latitude 39.768 and longitude -86.158. Stay updated with localized weather information tailored for Indianapolis.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.