15-Day Weather Forecast - Indianapolis
15-day weather forecast for Indianapolis: temperatures from 13°C (55°F) to 37°C (99°F). Average daily high 27°C (81°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Indianapolis's 15-day outlook ranges from a low of 13°C to a high of 37°C, with an average daytime high near 27°C. That's 1° above the long-term average high of 26°C for this time of year. It continues a recent pattern — 20 of the last 28 days with published data have run warmer than normal. Air quality is currently good (AQI 16), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 26°C.
20 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Extended Outlook for Indianapolis
Over the next 15 days, Indianapolis is forecast to see temperatures ranging from 13°C to 37°C, averaging a daily high of 27°C. The extended outlook indicates significant rainfall totalling 39.5 mm spread across 8 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.