- Track temp
- 69°F21°C
- Rain chance
- 3%
- Wind
- 7mph11km/hESE · gusts 14 mph23 km/h
- Density alt.
- 1,084ft330m
- Barometer 30.27 inHg1025 hPa falling
- Humidity 43%
- Cloud 100%
- UV 0
Forecast updated · Open-Meteo
Hour by hour
OvercastTemperature 66°19°Rain chance 3%Wind 7 mph11 km/hESETrack temperature 69°21°
OvercastTemperature 63°17°Rain chance 4%Wind 5 mph8 km/hETrack temperature 63°17°OvercastTemperature 60°16°Rain chance 2%Wind 5 mph8 km/hENETrack temperature 60°16°OvercastTemperature 58°15°Rain chance 3%Wind 5 mph8 km/hENETrack temperature 58°15°OvercastTemperature 57°14°Rain chance 2%Wind 3 mph5 km/hETrack temperature 57°14°OvercastTemperature 57°14°Rain chance 3%Wind 2 mph3 km/hNETrack temperature 57°14°OvercastTemperature 57°14°Rain chance 4%Wind 5 mph7 km/hSTrack temperature 57°14°OvercastTemperature 58°14°Rain chance 4%Wind 6 mph10 km/hSTrack temperature 58°14°OvercastTemperature 57°14°Rain chance 7%Wind 3 mph6 km/hSTrack temperature 57°14°OvercastTemperature 56°13°Rain chance 7%Wind 2 mph3 km/hSETrack temperature 56°13°OvercastTemperature 56°13°Rain chance 8%Wind 4 mph6 km/hNNWTrack temperature 56°13°OvercastTemperature 56°13°Rain chance 12%Wind 3 mph5 km/hSTrack temperature 56°13°OvercastTemperature 55°13°Rain chance 16%Wind 5 mph8 km/hSSETrack temperature 55°13°OvercastTemperature 55°13°Rain chance 12%Wind 3 mph5 km/hENETrack temperature 55°13°OvercastTemperature 55°13°Rain chance 17%Wind 3 mph5 km/hESETrack temperature 55°13°OvercastTemperature 56°13°Rain chance 17%Wind 4 mph6 km/hSSWTrack temperature 56°13°OvercastTemperature 58°15°Rain chance 16%Wind 2 mph3 km/hETrack temperature 63°17°OvercastTemperature 62°17°Rain chance 15%Wind 2 mph3 km/hSSETrack temperature 68°20°OvercastTemperature 62°17°Rain chance 12%Wind 2 mph4 km/hSETrack temperature 66°19°OvercastTemperature 63°17°Rain chance 11%Wind 2 mph3 km/hNNETrack temperature 67°19°OvercastTemperature 64°18°Rain chance 9%Wind 5 mph8 km/hENETrack temperature 73°23°OvercastTemperature 65°18°Rain chance 9%Wind 3 mph5 km/hSETrack temperature 69°20°OvercastTemperature 67°19°Rain chance 10%Wind 6 mph10 km/hESETrack temperature 75°24°OvercastTemperature 65°19°Rain chance 11%Wind 5 mph7 km/hSETrack temperature 68°20°Hours in your time zone (the track's when they match). Track temperature is an estimate.
The racer numbers
Computed from the forecast air temperature, dew point and station pressure (NWS formulas). Track temperature is estimated from sun, wind and the surface; it is not a sensor reading. How these are figured.
Day by day
- TodayOct 3168°20° 54°12° 4%Green flag
- TomorrowNov 167°19° 55°13° 17%Green flag
- MonNov 2
62°17° 54°12° 18%Yellow flag - TueNov 376°25° 59°15° 40%Yellow flag
- WedNov 4
68°20° 61°16° 68%Red flag - ThuNov 5
68°20° 55°13° 34%Green flag - FriNov 660°15° 54°12° 26%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | Overcast | 68°20° 54°12° | 4% | 19 mph31 km/h E | 87°31° | 1,209 ft369 m | 8:11 AM · 6:45 PM |
| Tomorrow Nov 1 | Green flag | Overcast | 67°19° 55°13° | 17% | 14 mph23 km/h SE | 75°24° | 1,095 ft334 m | 7:12 AM · 5:44 PM |
| Mon Nov 2 | Yellow flaggusty wind | Light drizzle | 62°17° 54°12° | 18% 0.02 in0.4 mm | 32 mph52 km/h SSE | 67°20° | 1,036 ft316 m | 7:13 AM · 5:43 PM |
| Tue Nov 3 | Yellow flaggusty wind | Overcast | 76°25° 59°15° | 40% | 35 mph56 km/h S | 92°33° | 2,165 ft660 m | 7:14 AM · 5:42 PM |
| Wed Nov 4 | Red flagrain | Light rain | 68°20° 61°16° | 68% 0.2 in5.2 mm | 32 mph51 km/h SSW | 71°22° | 1,616 ft493 m | 7:16 AM · 5:41 PM |
| Thu Nov 5 | Green flag | Clear | 68°20° 55°13° | 34% | 14 mph22 km/h NNW | 92°33° | 1,647 ft502 m | 7:17 AM · 5:39 PM |
| Fri Nov 6 | Green flag | Overcast | 60°15° 54°12° | 26% 0.02 in0.6 mm | 15 mph23 km/h N | 69°21° | 1,195 ft364 m | 7:18 AM · 5:38 PM |
Flags judge the racing hours, 9 am to 10 pm at the track. Days marked partial are at the edge of the forecast.
Every hour, every number
Today’s remaining 6 hours are free. Pro members get all seven days and the CSV.
| Hour | Air | Dew pt | Humidity | Barometer | Density alt. | Air density kg/m³ | Grains | Track temp (est.) | Wind | Rain |
|---|---|---|---|---|---|---|---|---|---|---|
| 66°19° | 43°6° | 43% | 30.27 inHg1025 hPa | 1,084 ft330 m | 1.187 | 42 | 69°21° | 7 mph11 km/h ESE · gusts 14 mph23 km/h | 3% | |
| 63°17° | 43°6° | 48% | 30.27 inHg1025 hPa | 855 ft261 m | 1.195 | 41 | 63°17° | 5 mph8 km/h E | 4% | |
| 60°16° | 41°5° | 50% | 30.29 inHg1026 hPa | 664 ft202 m | 1.201 | 39 | 60°16° | 5 mph8 km/h ENE | 2% | |
| 58°15° | 42°6° | 54% | 30.29 inHg1026 hPa | 571 ft174 m | 1.205 | 40 | 58°15° | 5 mph8 km/h ENE · gusts 13 mph20 km/h | 3% | |
| 57°14° | 42°6° | 58% | 30.32 inHg1027 hPa | 441 ft134 m | 1.209 | 41 | 57°14° | 3 mph5 km/h E · gusts 11 mph18 km/h | 2% | |
| 57°14° | 42°6° | 57% | 30.34 inHg1028 hPa | 427 ft130 m | 1.210 | 40 | 57°14° | 2 mph3 km/h NE · gusts 11 mph18 km/h | 3% |
Every hour from the forecast, the same arithmetic as the pit box above (NWS density-altitude formula; track temperature is an estimate). Hours in your time zone, the track’s when they match.
Plan the whole week at Indianapolis
Pit box, all week
Every forecast hour for the next seven days at Indianapolis: density altitude, air density, grains, track temp and more, with a CSV for the tuning laptop.
Do the models agree?
ECMWF, GFS and ICON side by side for the next three racing days, so you know when the forecast is shaky.
Next 6 hours of rain
Rain in 15-minute steps for the next six hours at your tracks, refreshed every hour.
Alerts for your tracks
An email the morning a red or yellow flag is due at Indianapolis, and a heads-up three days out.
A year at Indianapolis
Typical for October here: highs around 67°20°, lows 49°9°, rain on 32% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to Indianapolis
4790 W 16th St, Indianapolis, IN 46222
Parking
One vehicle per pass, must fit a 10 x 20 ft space. Indy 500 Race Day parking is pre-sold (2027 sold out). Practice and qualifying days have free infield and Lot 7 parking; paid lots $10 to $15. indianapolismotorspeedway.com
Camping On site
RV and tent lots around the track for Indy 500 week (Thu to Sun) with a camping pass; 30/50 amp electric in Lots 3P, 4, 5 and 6, showers in Lots 1A and 2. Most 2027 lots sold out; prices not listed. indianapolismotorspeedway.com
Good to know
Coolers up to 18 x 15 x 15 in, hard or soft sided; no glass. All bags go through metal detectors. indianapolismotorspeedway.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Speedway, Indiana
- Layout
- 2.5-mile rectangular oval; 2.439-mile road course
- Length
- 2.5 mi (4.02 km)
- Surface
- Asphalt
- Banking
- 9°12'
- Opened
- 1909
- Series
- IndyCar, NASCAR Cup, IMSA
- Signature events
- Indianapolis 500, Brickyard 400
- Time zone
- America/Indiana/Indianapolis
- Elevation
- 732 ft (223 m)