- Clothing
- Light layers work well; a jacket for the evening.
Tomorrow's Weather Forecast - Indianapolis
Tomorrow's weather in Indianapolis. high 27°C (81°F), low 21°C (70°F). Drizzle.
Tomorrow’s Outlook
Tomorrow brings a similar temperature to today. Light rain is possible, though a 37% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 86% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 86%, so it will feel muggier and stickier than the temperature alone suggests. A light breeze near 13 km/h is expected. Sunrise is at 7:22 AM and sunset at 7:57 PM, for about 12h 35m of daylight.
- Tomorrow
- 27°/ 21°
- Today28° / 17°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon22°
- Rain probability
- 37%
- Wind speed
- 13 km/h
AfternoonNoon – 6 PM26°
- Rain probability
- 14%
- Wind speed
- 9 km/h
Evening6 PM – Midn25°
- Rain probability
- 3%
- Wind speed
- 7 km/h
NightMidn – 6 AM23°
- Rain probability
- 23%
- Wind speed
- 11 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
··
Planning Advice for Tomorrow
- Outdoor
- Good conditions for outdoor activities.
- Travel
- Standard travel conditions expected.
Sunrise & Sunset
Sunrise
Dawn 6:52 AMTotal Daylight
Full day forecastSolar noon 1:40 PM
Sunset
Dusk 8:27 PMvs today-3 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Indianapolis is forecast to reach a high of 27°C tomorrow, with an overnight low around 21°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. Expect a low chance of rain (37% probability) and a gentle breeze averaging 13 km/h. Air quality is currently good (AQI 16), with no notable outdoor health concerns.
Today vs Normal
28°C+2° above 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
Good
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.