Streets of St. Petersburg
Firestone Grand Prix of St. Petersburg
- Track temp
- 76°F25°C
- Rain chance
- 10%
- Wind
- 8mph13km/hENE
- Density alt.
- 1,264ft385m
- Barometer 30.10 inHg1019 hPa rising
- Humidity 87%
- Cloud 100%
- UV 0
Forecast updated · Open-Meteo
Hour by hour
OvercastTemperature 76°25°Rain chance 10%Wind 8 mph13 km/hENETrack temperature 76°25°
Partly cloudyTemperature 76°24°Rain chance 5%Wind 9 mph14 km/hENETrack temperature 76°24°OvercastTemperature 76°24°Rain chance 4%Wind 9 mph15 km/hENETrack temperature 76°24°OvercastTemperature 75°24°Rain chance 3%Wind 9 mph15 km/hENETrack temperature 75°24°OvercastTemperature 75°24°Rain chance 2%Wind 10 mph16 km/hENETrack temperature 75°24°OvercastTemperature 74°23°Rain chance 3%Wind 9 mph14 km/hENETrack temperature 74°23°OvercastTemperature 74°23°Rain chance 2%Wind 9 mph14 km/hENETrack temperature 74°23°OvercastTemperature 74°23°Rain chance 2%Wind 10 mph16 km/hENETrack temperature 74°23°OvercastTemperature 74°23°Rain chance 4%Wind 11 mph17 km/hENETrack temperature 74°23°OvercastTemperature 74°23°Rain chance 4%Wind 10 mph17 km/hENETrack temperature 74°23°OvercastTemperature 74°23°Rain chance 10%Wind 10 mph17 km/hENETrack temperature 74°23°OvercastTemperature 74°23°Rain chance 11%Wind 11 mph18 km/hENETrack temperature 74°23°
OvercastTemperature 73°23°Rain chance 10%Wind 13 mph20 km/hENETrack temperature 73°23°OvercastTemperature 75°24°Rain chance 7%Wind 14 mph22 km/hENETrack temperature 77°25°OvercastTemperature 76°25°Rain chance 12%Wind 11 mph17 km/hETrack temperature 82°28°OvercastTemperature 78°25°Rain chance 8%Wind 9 mph14 km/hETrack temperature 82°28°
DrizzleTemperature 78°25°Rain chance 19%Wind 8 mph13 km/hETrack temperature 85°29°OvercastTemperature 82°28°Rain chance 26%Wind 11 mph18 km/hETrack temperature 98°37°OvercastTemperature 83°29°Rain chance 35%Wind 13 mph22 km/hETrack temperature 104°40°OvercastTemperature 79°26°Rain chance 46%Wind 21 mph34 km/hETrack temperature 92°33°OvercastTemperature 76°24°Rain chance 44%Wind 14 mph23 km/hETrack temperature 85°29°OvercastTemperature 78°25°Rain chance 39%Wind 13 mph22 km/hETrack temperature 87°31°OvercastTemperature 77°25°Rain chance 41%Wind 15 mph24 km/hETrack temperature 80°26°OvercastTemperature 74°23°Rain chance 37%Wind 15 mph24 km/hETrack temperature 74°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 3185°29° 73°23° 17%Green flag
- TomorrowNov 183°29° 71°22° 46%Yellow flag
- MonNov 276°24° 70°21° 43%Red flag
- TueNov 379°26° 72°22° 22%Green flag
- WedNov 4
79°26° 72°22° 16%Red flag - ThuNov 5
80°27° 72°22° 16%Green flag - FriNov 6
79°26° 71°22° 5%Green flag
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | Overcast | 85°29° 73°23° | 17% | 28 mph45 km/h ENE | 106°41° | 1,852 ft564 m | 7:40 AM · 6:48 PM |
| Tomorrow Nov 1 | Yellow flaggusty wind | Drizzle | 83°29° 71°22° | 46% 0.03 in0.7 mm | 30 mph48 km/h E | 104°40° | 1,658 ft505 m | 6:40 AM · 5:47 PM |
| Mon Nov 2 | Red flagrain | Heavy drizzle | 76°24° 70°21° | 43% 0.09 in2.2 mm | 27 mph44 km/h ENE | 88°31° | 1,194 ft364 m | 6:41 AM · 5:46 PM |
| Tue Nov 3 | Green flag | Overcast | 79°26° 72°22° | 22% 0.14 in3.5 mm | 19 mph31 km/h E | 94°34° | 1,617 ft493 m | 6:42 AM · 5:46 PM |
| Wed Nov 4 | Red flagrain | Light showers | 79°26° 72°22° | 16% 0.14 in3.5 mm | 15 mph25 km/h ESE | 99°37° | 1,665 ft507 m | 6:43 AM · 5:45 PM |
| Thu Nov 5 | Green flag | Clear | 80°27° 72°22° | 16% | 10 mph15 km/h SW | 113°45° | 1,813 ft553 m | 6:43 AM · 5:44 PM |
| Fri Nov 6 | Green flag | Partly cloudy | 79°26° 71°22° | 5% | 9 mph15 km/h WNW | 99°37° | 1,681 ft512 m | 6:44 AM · 5:44 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 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 76°25° | 72°22° | 87% | 30.10 inHg1019 hPa | 1,264 ft385 m | 1.180 | 118 | 76°25° | 8 mph13 km/h ENE | 10% | |
| 76°24° | 72°22° | 87% | 30.10 inHg1019 hPa | 1,240 ft378 m | 1.181 | 117 | 76°24° | 9 mph14 km/h ENE | 5% | |
| 76°24° | 71°21° | 84% | 30.14 inHg1021 hPa | 1,171 ft357 m | 1.184 | 112 | 76°24° | 9 mph15 km/h ENE | 4% | |
| 75°24° | 71°22° | 87% | 30.14 inHg1021 hPa | 1,133 ft345 m | 1.185 | 113 | 75°24° | 9 mph15 km/h ENE · gusts 17 mph27 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 St. Pete
Pit box, all week
Every forecast hour for the next seven days at St. Pete: 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 St. Pete, and a heads-up three days out.
A year at St. Pete
Typical for October here: highs around 83°29°, lows 70°21°, rain on 26% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to St. Pete
St. Petersburg, Florida
No street address published; directions go to the track itself.
Parking
2026 race: Tropicana Field Lots 6 and 7 for $30 a day (cashless) with a free shuttle to the circuit; city parking garages $25 a day. gpstpete.com
Camping
No public campground. The event's RV Club sits on the south side of the front straight; 2027 spots are renewal only and the waiting list is closed. gpstpete.com
Good to know
No outside food or drink, and no coolers, on the event grounds. gpstpete.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- St. Petersburg, Florida
- Layout
- 1.8-mile, 14-turn temporary street circuit on the waterfront and Albert Whitted Airport runway
- Length
- 1.8 mi (2.90 km)
- Surface
- Asphalt/concrete
- Opened
- 2003
- Series
- IndyCar
- Signature events
- Firestone Grand Prix of St. Petersburg
- Time zone
- America/New York
- Elevation
- 10 ft (3 m)
