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Summer weather forecast for Indianapolis, IN

Prepare for summer weather in Indianapolis with these seasonal temperature and precipitation outlooks.


There’s so much to do in Indy, why not earn a little extra scratch to pay for it?

We know the question on your mind, Hoosiers — how many pool days will we get this summer?

Thanks to the National Oceanic and Atmospheric Administration’s Climate Prediction Center, we know what temperatures and precipitation trends to expect in our city for June, July, and August. While exact weather conditions typically can’t be predicted more than a week in advance, here’s a seasonal outlook to help you prepare for what summer will bring.

Reminder: The first official day of summer is Thursday, June 20.

NOAA summer 2024

The NOAA predicts likely above average temperatures for the next three months.

Graphic by the NOAA

🌡️ Temperature

Think hot. This summer, Indy has a 33-40% chance of temperatures being higher than normal.

🌨️ Precipitation

Expect slightly more precipitation. Indy has a 33-40% chance of seeing higher than average rainfall amounts this summer.

☀️ Drought

Drought conditions are not expected to develop this summer in Naptown.

Summer Rain Outlook 2024

Indy has equal chances of rain for the summer months.

Graphic by the NOAA


We have equal chances of experiencing above average temperatures in Indy this month. The average high temperature in June is 81º, but this week is already well above that — with forecasted temperature highs hovering in the low 90s. Similarly, precipitation will linger at the average mark in June, which means we can expect approximately eight days of rain. Sounds like perfect pool weather to us.


In July, the average high is 85º and the average low is 65º. Similar to June, the average amount of rainfall is eight days. We’re thinking that this will call for plenty of afternoons spent meandering through Indy’s parks followed by an al fresco dinner at a local spot.


The average amount of rainfall typically dips to seven days in August + the average high temperature is 83º. However, August 24, 2023 brought us Indy’s hottest day of the year, so that leaves us wondering — will we experience our hottest day of 2024 during this final month of summer?

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