🇺🇸 Weather in Indianapolis
Map Overlays:
Hourly Forecast for Indianapolis
16:00
21°
10%
17:00
21°
10%
18:00
20°
11%
19:00
19°
20%
20:00
16°
36%
21:00
16°
77%
22:00
15°
82%
23:00
15°
56%
00:00
15°
70%
01:00
15°
60%
02:00
15°
42%
03:00
15°
24%
04:00
14°
19%
05:00
14°
27%
06:00
15°
28%
07:00
15°
31%
08:00
15°
29%
09:00
15°
28%
10:00
16°
26%
11:00
17°
26%
12:00
17°
24%
13:00
18°
11%
14:00
21°
10%
15:00
22°
9%
14-Day Forecast for Indianapolis
2026-10-10
Overcast
21° /
15°
2026-10-11
Overcast
23° /
14°
2026-10-12
Overcast
30° /
16°
2026-10-13
Sunny
31° /
19°
2026-10-14
Overcast
25° /
18°
2026-10-15
Overcast
18° /
13°
2026-10-16
Sunny
21° /
9°
Additional Forecasts for Indianapolis
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 150.0 μg/m³
O₃ (Ozone) 81.0 μg/m³
NO₂ (Nitrogen Dioxide) 4.6 μg/m³
SO₂ (Sulphur Dioxide) 2.6 μg/m³
PM2.5 (Fine particles) 5.8 μg/m³
PM10 (Coarse particles) 6.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Indianapolis — FAQ
Answers refreshed each request based on current conditions in Indianapolis.
What is the weather like right now in Indianapolis?
Right now in Indianapolis, United States the temperature is 21.3°C (feels like 17.9°C), with overcast. Relative humidity is 39% and wind is 13.7 km/h.
What is today's high and low temperature in Indianapolis?
Today's forecast high in Indianapolis is 21.3°C and the overnight low is 15.0°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Indianapolis today?
The chance of precipitation in Indianapolis today is 71%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Indianapolis differ from nearby cities?
Even short distances can change temperatures noticeably. Indianapolis's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.