Indianapolis weather
Loading live data…Showers,cooler tomorrow
NWS, the American and the European model put Indianapolis's high today between 88° and 92°, a 4° split. Tomorrow looks partly cloudy around 81°, with a 3% chance of rain.
The weather map: all three models at once
NWS, American, European side by side around Indianapolis and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitIndianapolis, IN. Below we compare what NWS, American, European forecast for Indianapolis right now and flag exactly where they disagree, then break down Indianapolis's weather month by month and which forecast model has been most accurate here.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.
Indianapolis weather by month
what to expect in Indianapolis through the yearHere is Indianapolis's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Indianapolis by season.
What Indianapolis's weather is like through the year
Indianapolis runs from warm summers, with July highs near 85°F, to cold winters, when January lows sit around 26°F (a swing of about 59°F across the year). March is usually the wettest month, and Indianapolis sees roughly 42 inches of precipitation annually. Overnight lows stay below freezing across 2 months (January and February), so Indianapolis sees regular winter snowfall.
Best time to visit Indianapolis
The most comfortable time to visit Indianapolis is usually April, May and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest March rain is behind you.
Which forecast is most accurate in Indianapolis?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Indianapolis, scoring 90/100 on our CheckWeather Score, ahead of the American at 60. See the full US accuracy scoreboard for exactly how every model is tested.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.