- Track temp
- 60°F15°C
- Rain chance
- 1%
- Wind
- 7mph11km/hSSE
- Density alt.
- 198ft60m
- Barometer 30.42 inHg1030 hPa steady
- Humidity 60%
- Cloud 100%
- UV 0
Forecast updated · Open-Meteo
Hour by hour
OvercastTemperature 57°14°Rain chance 1%Wind 7 mph11 km/hSSETrack temperature 60°15°
OvercastTemperature 53°12°Rain chance 1%Wind 4 mph6 km/hESETrack temperature 53°12°OvercastTemperature 51°10°Rain chance 1%Wind 5 mph8 km/hESETrack temperature 51°10°OvercastTemperature 49°9°Rain chance 1%Wind 3 mph5 km/hESETrack temperature 49°9°OvercastTemperature 48°9°Rain chance 1%Wind 5 mph7 km/hETrack temperature 48°9°OvercastTemperature 47°9°Rain chance 1%Wind 5 mph7 km/hESETrack temperature 47°9°OvercastTemperature 47°8°Rain chance 1%Wind 4 mph7 km/hESETrack temperature 47°8°OvercastTemperature 47°8°Rain chance 1%Wind 5 mph8 km/hSETrack temperature 47°8°OvercastTemperature 47°9°Rain chance 1%Wind 3 mph5 km/hETrack temperature 47°9°OvercastTemperature 48°9°Rain chance 1%Wind 4 mph6 km/hSETrack temperature 48°9°OvercastTemperature 49°9°Rain chance 2%Wind 2 mph3 km/hSETrack temperature 49°9°OvercastTemperature 49°10°Rain chance 2%Wind 3 mph5 km/hESETrack temperature 49°10°OvercastTemperature 50°10°Rain chance 2%Wind 4 mph6 km/hNNWTrack temperature 50°10°OvercastTemperature 48°9°Rain chance 2%Wind 4 mph6 km/hENETrack temperature 48°9°OvercastTemperature 47°9°Rain chance 2%Wind 3 mph4 km/hENETrack temperature 47°9°OvercastTemperature 48°9°Rain chance 2%Wind 5 mph8 km/hETrack temperature 49°9°OvercastTemperature 54°12°Rain chance 3%Wind 3 mph5 km/hSETrack temperature 61°16°OvercastTemperature 60°16°Rain chance 3%Wind 5 mph8 km/hSSETrack temperature 72°22°OvercastTemperature 64°18°Rain chance 3%Wind 6 mph10 km/hSTrack temperature 79°26°OvercastTemperature 66°19°Rain chance 3%Wind 3 mph5 km/hSSWTrack temperature 85°29°OvercastTemperature 67°20°Rain chance 3%Wind 4 mph6 km/hSSWTrack temperature 84°29°OvercastTemperature 67°20°Rain chance 4%Wind 5 mph8 km/hSWTrack temperature 81°27°OvercastTemperature 67°19°Rain chance 4%Wind 5 mph9 km/hSWTrack temperature 78°25°OvercastTemperature 65°19°Rain chance 4%Wind 5 mph8 km/hSWTrack temperature 73°23°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 3160°16° 38°3° 2%Green flag
- TomorrowNov 167°20° 47°8° 6%Green flag
- MonNov 264°18° 52°11° 9%Green flag
- TueNov 373°23° 58°14° 15%Yellow flag
- WedNov 4
67°20° 60°16° 49%Yellow flag - ThuNov 5
65°19° 56°13° 34%Green flag - FriNov 661°16° 55°13° 33%Red flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | Overcast | 60°16° 38°3° | 2% | 12 mph20 km/h ESE | 81°27° | 404 ft123 m | 8:03 AM · 6:28 PM |
| Tomorrow Nov 1 | Green flag | Overcast | 67°20° 47°8° | 6% | 13 mph22 km/h S | 85°29° | 890 ft271 m | 7:04 AM · 5:27 PM |
| Mon Nov 2 | Green flag | Overcast | 64°18° 52°11° | 9% <0.01 in0.1 mm | 23 mph38 km/h S | 74°23° | 799 ft244 m | 7:05 AM · 5:26 PM |
| Tue Nov 3 | Yellow flaggusty wind | Overcast | 73°23° 58°14° | 15% | 34 mph54 km/h S | 85°29° | 1,723 ft525 m | 7:06 AM · 5:24 PM |
| Wed Nov 4 | Yellow flaggusty wind | Drizzle | 67°20° 60°16° | 49% 0.15 in3.7 mm | 36 mph58 km/h SSW | 70°21° | 1,526 ft465 m | 7:08 AM · 5:23 PM |
| Thu Nov 5 | Green flag | Partly cloudy | 65°19° 56°13° | 34% | 12 mph19 km/h WNW | 85°30° | 1,304 ft397 m | 7:09 AM · 5:22 PM |
| Fri Nov 6 | Red flagrain | Heavy drizzle | 61°16° 55°13° | 33% 0.25 in6.4 mm | 19 mph31 km/h NE | 74°23° | 1,132 ft345 m | 7:10 AM · 5:21 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 57°14° | 43°6° | 60% | 30.42 inHg1030 hPa | 198 ft60 m | 1.218 | 42 | 60°15° | 7 mph11 km/h SSE | 1% | |
| 53°12° | 43°6° | 69% | 30.40 inHg1029 hPa | -63 ft-19 m | 1.227 | 41 | 53°12° | 4 mph6 km/h ESE | 1% | |
| 51°10° | 43°6° | 76% | 30.41 inHg1030 hPa | -213 ft-65 m | 1.233 | 42 | 51°10° | 5 mph8 km/h ESE | 1% | |
| 49°9° | 44°7° | 82% | 30.40 inHg1030 hPa | -325 ft-99 m | 1.237 | 42 | 49°9° | 3 mph5 km/h ESE | 1% | |
| 48°9° | 45°7° | 88% | 30.43 inHg1030 hPa | -406 ft-124 m | 1.240 | 44 | 48°9° | 5 mph7 km/h E | 1% | |
| 47°9° | 44°7° | 89% | 30.44 inHg1031 hPa | -453 ft-138 m | 1.241 | 43 | 47°9° | 5 mph7 km/h ESE · gusts 12 mph20 km/h | 1% |
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 Detroit
Pit box, all week
Every forecast hour for the next seven days at Detroit: 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 Detroit, and a heads-up three days out.
A year at Detroit
Typical for October here: highs around 63°17°, lows 48°9°, rain on 32% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to Detroit
Detroit, Michigan
No street address published; directions go to the track itself.
Parking
Huntington Place lots at the west end open 6 a.m. to 10 p.m., $35 a day paid on arrival. Franklin Garage, the only public garage inside the venue, is sold in advance and needs an admission ticket. detroitgp.com
Good to know
Coolers and bags up to 12x12x12 inches. Glass bottles, open containers and outside alcohol are prohibited. detroitgp.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Detroit, Michigan
- Layout
- 1.645-mile, 9-turn downtown street circuit
- Length
- 1.645 mi (2.65 km)
- Surface
- Asphalt/concrete
- Opened
- 2023
- Series
- IndyCar, IMSA
- Signature events
- Detroit Grand Prix
- Time zone
- America/Detroit
- Elevation
- 610 ft (186 m)