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Indianapolis in October: Weather, Average temperature and Climate

Take a look at past year’s weather for Indianapolis in October and see if it is worth visiting.
Check flight prices to Indianapolis on Avionero:
October

Weather in Indianapolis in October 2024

Good Weather
Mild
🌧️
Rainy
Planning a trip to Indianapolis in October? You are in luck! The weather is generally good, with an average maximum temperature of +66°F and approximately 8 sunny days. Just be prepared for some rain, as there are usually around 12 rainy days and 81 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+66°F
Avg. max. temperature
+23°F
Min.
+91°F
Max.
81 mm
Total precipitation
72%
Avg. humidity
3 m/s
Avg. wind
8 ☀️
Sunny Days
11 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Indianapolis has good weather in October.

Average temperature in Indianapolis in October

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

Going from a maximum of +86°F during the day to a minimum of +27°F during the night, the temperature in October averages around +68°F.

The average maximum temperature goes down 73% by the end of the month, compared with the beginning of the month, from +84°F to +41°F.

Is Indianapolis warm or cold in October?

Indianapolis is typically mild in October.

Maximum temperatures go down compared to the previous month from +77°F to +66°F. The minimum temperature also goes down from +59°F to +46°F.

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 Indianapolis:

Climate in Indianapolis in October

Indianapolis weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+77°F+66°F+52°F
Min. temperature
+32°F+23°F+9°F
Max. temperature
+99°F+91°F+79°F
Rainfall
69 mm81 mm79 mm
Wind
2 m/s3 m/s3 m/s
Humidity
72%72%73%
Air pressure
1016 HPa1017 HPa1018 HPa
Sunny days
885
Cloudy days
101113
Rainy days
101210
Snowy days
002

October weather is still as good as in September. It’s getting colder in October. From +77°F in the day, the average maximum temperature lowers to +66°F. Prepare for more rain. Average rainfall goes from 69 mm to 81 mm. Humidity levels don’t change as the month goes on, averaging around 72%. Winds are stronger in comparison to September, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 8 sunny days during the month.

Next month (November) brings a further decline in the weather.

Wind

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

The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Indianapolis is gradually increasing during October, going from 2 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Indianapolis based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in October stands at 32%, leading to total precipitation of around 69 mm. The maximum amount of rainfall per day is around 20 mm, which is considered light rain. October is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Indianapolis wettest month is May, where a typical day has a 52% chance of precipitation and 115 mm of rainfall per day. January, on the other hand, is the driest month with a mere 16% chance of precipitation and 45 mm of rainfall per day.

How was the weather last October in Indianapolis?

This is the weather in Indianapolis in October 2023:
1 October
☀️
+84°F
2 October
☀️
+86°F
3 October
☀️
+86°F
4 October
☁️
+83°F
5 October
☁️
+75°F
6 October
☀️
+69°F
7 October
☀️
+60°F
8 October
☁️
+55°F
9 October
☁️
+60°F
10 October
☀️
+63°F
11 October
☀️
+69°F
12 October
☀️
+77°F
13 October
☀️
+75°F
14 October
🌧️
+66°F
15 October
☁️
+55°F
16 October
☁️
+56°F
17 October
☁️
+61°F
18 October
☁️
+66°F
19 October
🌧️
+61°F
20 October
🌧️
+57°F
21 October
☀️
+73°F
22 October
☀️
+63°F
23 October
☀️
+69°F
24 October
☀️
+77°F
25 October
☁️
+73°F
26 October
☁️
+75°F
27 October
☁️
+76°F
28 October
☁️
+71°F
29 October
🌫️
+55°F
30 October
🌧️
+48°F
31 October
☀️
+41°F
In October 2023 Indianapolis had 14 sunny days, 12 cloudy days, and 4 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +86°F and a minimum of +41°F. The average humidity was 73%, with a maximum of 100% and a minimum of 37%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Indianapolis climate has changed over the last 43 years.

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

The average temperature was the lowest in 1979 (+59°F) and the highest in 2012 (+67°F). The driest year was 1999 with only 656 mm of rainfall, and the wettest year was 2019 with 1833 mm.

FAQ

Frequently asked questions about the weather in Indianapolis in October:

Is October a good time to visit Indianapolis?

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

Can you sunbathe in Indianapolis in October?

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

Is Indianapolis rainy in October?

Indianapolis 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 Indianapolis in October?

Usually, it’s not very sunny in Indianapolis in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Indianapolis

Source of the data

For this page, we’ve looked at the typical weather in Indianapolis, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

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.