Indianapolis Weather Forecast
Indianapolis weather: 73°F, mainly clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Live radar and satellite over Indianapolis
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Radar frames: RainViewer (global composite, ~10 minute refresh). Satellite: NASA GIBS MODIS true colour, previous day. Coverage and refresh vary by region.
Active alerts for Indianapolis
Flood Watch issued September 17 at 10:58PM EDT until September 18 at 10:00AM EDT by NWS Indianapolis IN
Issued by NWS Indianapolis IN
Weather in Indianapolis right now
Source: Open-Meteo. Updated 12:59 PM, Sep 18 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
See the Indianapolis forecast by time range
Indianapolis weather - more answers
Explore Indianapolis
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Indianapolis?
Indianapolis is a city in Indiana. Its coordinates are 39.7684, -86.1581. It lies in North America.
What is the weather like in Indianapolis right now?
It is currently 73°F (23°C) with mainly clear. Humidity is 92% and wind is 2 mph.
When is the best time to visit Indianapolis?
May, July, August, September and October offer the most comfortable conditions in Indianapolis, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Indianapolis in?
Indianapolis observes America/Indiana/Indianapolis (UTC-04:00). The local time is 12:59 PM.
How many people live in Indianapolis?
Indianapolis has a population of approximately 880.000.
What is the nearest airport to Indianapolis?
The closest airports are O'Hare International Airport (ORD), 178 mi away and Nashville International Airport (BNA), 253 mi away.
What are the top things to do in Indianapolis?
Popular options include Indiana Dunes National Park, Mammoth Cave National Park, Starved Rock State Park, Hocking Hills State Park, Cumberland Falls State Resort Park and Gateway Arch National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 18, 2026 at 12:59 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
