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Weather in Indianapolis

Live weather forecast for Indianapolis, United States: current temperature, feels-like, wind, humidity, 48-hour hourly chart, 16-day outlook, air quality, UV and sunrise/sunset.

Current weather

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Hourly forecast (48 h)

16-day forecast

Climate & monthly averages

Average temperature and rainfall in Indianapolis by month (1991–2020 reference, ERA5 reanalysis).

11°17°22°24°24°20°14°Jan86Feb84Mar156Apr80May110Jun96Jul136Aug93Sep60Oct83Nov37Dec89
Warmest monthJul · 24°C / 76°F
Coldest monthJan · 0°C / 31°F
Wettest monthMar · 156 mm
Annual avg temp12°C / 54°F
Annual rainfall1110 mm

About Indianapolis

Population887,642
Coordinates39.768, -86.158
Time zoneAmerica/Indiana/Indianapolis

Live weather forecast for Indianapolis

This page shows a live weather forecast for Indianapolis, United States, updated on every visit. You get the current temperature and how it feels, wind, humidity and pressure, an hourly chart for the next 48 hours, and a 16-day daily outlook with highs, lows and the chance of precipitation.

We also surface air quality (European AQI, PM2.5 and PM10), the UV index, sunrise and sunset times, and — for coastal locations — a short marine outlook. All data comes from Open-Meteo's open weather APIs and is free to use.

On average, the warmest month in Indianapolis is Jul (24°C) and the coldest is Jan (0°C). The wettest month is Mar (about 156 mm of rainfall), while Nov is the driest. The annual average temperature is around 12.3°C, with roughly 1110 mm of precipitation per year.

FAQ

How accurate is this forecast?

Forecasts use Open-Meteo, which blends leading national weather models (such as ECMWF, GFS and ICON). Hourly accuracy is high for the next 1–3 days and decreases further out, as with any forecast.

How often does the weather update?

The forecast is fetched live from the weather API each time you open the page, so you always see the latest available model run.

Can I switch between °C and °F?

Yes — use the °C / °F toggle above the current conditions. Your choice is remembered on this device.