Today's Weather Forecast - Indianapolis

Today's weather in Indianapolis. high 28°C (82°F), low 17°C (63°F). Partly Cloudy.

Today’s Hourly Weather Outlook

Morning6 AM – Noon19°
Wind speed
10 km/h
Rain probability
0%
AfternoonNoon – 6 PM27°
Wind speed
13 km/h
Rain probability
0%
Evening6 PM – Midn26°
Wind speed
10 km/h
Rain probability
3%
NightMidn – 6 AM20°
Wind speed
7 km/h
Rain probability
1%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:51 AM
Total Daylight
23% of day elapsedSolar noon 1:40 PM
Sunset
Dusk 8:29 PM
Remaining9h 44m
Solar elevation32°
vs yesterday-4 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Indpls - I-70 E, Indiana, USA
PM2.5
40μg/m³
NO₂
15.1ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Indianapolis is forecast to reach a high of 28°C today, with an overnight low around 17°C. That's 2° 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 little chance of rain (3% 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.

2026-08-28: 28°C28°2026-08-29: 28°C28°2026-08-30: 29°C29°2026-08-31: 31°C31°2026-09-01: 33°C33°2026-09-02: 34°C34°2026-09-03: 34°C34°2026-09-04: 34°C34°2026-09-05: 32°C32°2026-09-06: 27°C27°2026-09-07: 27°C27°2026-09-08: 31°C31°

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.