Indianapolis Weather Forecast
Indianapolis weather: 68°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
14-day forecast for Indianapolis
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Aug 21 | ☁️ Overcast | 82° / 65° | 3% | 6 mph | 7 |
| Sat, Aug 22 | ☁️ Overcast | 82° / 65° | 14% · 0,0 in | 13 mph | 7 |
| Sun, Aug 23 | ☁️ Overcast | 78° / 62° | 1% | 8 mph | 7 |
| Mon, Aug 24 | ☁️ Overcast | 80° / 59° | 1% | 5 mph | 7 |
| Tue, Aug 25 | 🌦️ Light drizzle | 80° / 62° | 4% · 0,0 in | 6 mph | 7 |
| Wed, Aug 26 | 🌦️ Drizzle | 80° / 67° | 23% · 0,2 in | 6 mph | 6 |
| Thu, Aug 27 | 🌦️ Drizzle | 82° / 67° | 23% · 0,1 in | 10 mph | 7 |
| Fri, Aug 28 | ☁️ Overcast | 82° / 66° | 7% | 7 mph | 6 |
| Sat, Aug 29 | 🌤️ Mainly clear | 82° / 62° | 11% | 6 mph | 7 |
| Sun, Aug 30 | 🌦️ Light showers | 81° / 64° | 16% · 0,2 in | 7 mph | 5 |
| Mon, Aug 31 | 🌦️ Light drizzle | 89° / 70° | 23% · 0,0 in | 7 mph | 6 |
| Tue, Sep 1 | ⛈️ Thunderstorm | 85° / 71° | 27% · 0,1 in | 7 mph | 4 |
| Wed, Sep 2 | 🌦️ Light showers | 92° / 70° | 23% · 0,6 in | 11 mph | 7 |
| Thu, Sep 3 | 🌦️ Light drizzle | 91° / 70° | 23% · 0,1 in | 9 mph | 7 |
The two-week trend
Warming. The second half of the window averages 38°F warmer than the days immediately ahead.
The window averages 84°F against a August normal of 83°F - right on average.
Rainfall over the next 7 days is close to normal for August (0,4 in against a typical 0,5 in).
What this means for Indianapolis
Today is about average for August. The forecast high of 82°F is in line with the 83°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 84°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Indianapolis forecast by time range
Indianapolis weather - more answers
Explore Indianapolis
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Indianapolis?
Indianapolis is a city in Indiana. Its coordinates are 39.7684, -86.1581. It lies in North America.
What is the weather like in Indianapolis right now?
It is currently 68°F (20°C) with clear. Humidity is 94% and wind is 3 mph.
When is the best time to visit Indianapolis?
July, August, September and October offer the most comfortable conditions in Indianapolis, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Indianapolis in?
Indianapolis observes America/Indiana/Indianapolis (UTC-04:00). The local time is 2:46 AM.
How many people live in Indianapolis?
Indianapolis has a population of approximately 880.000.
What is the nearest airport to Indianapolis?
The closest airports are O'Hare International Airport (ORD), 178 mi away and Nashville International Airport (BNA), 253 mi away.
What are the top things to do in Indianapolis?
Popular options include Indiana Dunes National Park, Mammoth Cave National Park, Starved Rock State Park, Hocking Hills State Park, Cumberland Falls State Resort Park and Gateway Arch National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 21, 2026 at 2:46 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
