WeatherTech Raceway Laguna Seca
Grand Prix of Monterey, Rolex Monterey Motorsports Reunion

- Track temp
- 78°F25°C
- Rain chance
- 1%
- Wind
- 7mph12km/hWNW
- Density alt.
- 1,287ft392m
- Barometer 29.90 inHg1012 hPa steady
- Humidity 63%
- Cloud 100%
- UV 4
Forecast updated · Open-Meteo
Hour by hour
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 31
62°17° 49°10° 2%Green flag
- TomorrowNov 1
58°14° 48°9° 41%Green flag
- MonNov 2
67°19° 47°8° 0%Green flag
- TueNov 3
64°18° 51°10° 15%Green flag
- WedNov 4
66°19° 48°9° 13%Green flag
- ThuNov 5
70°21° 50°10° 2%Green flag
- FriNov 6
78°25° 52°11° 3%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | 62°17° 49°10° | 2% | 15 mph23 km/h W | 85°29° | 1,291 ft393 m | 7:28 AM · 6:12 PM | |
| Tomorrow Nov 1 | Green flag | 58°14° 48°9° | 41% 1.2 in30.6 mm | 26 mph42 km/h W | 77°25° | 954 ft291 m | 6:29 AM · 5:11 PM | |
| Mon Nov 2 | Green flag | 67°19° 47°8° | 0% | 10 mph16 km/h SSW | 89°32° | 1,282 ft391 m | 6:30 AM · 5:10 PM | |
| Tue Nov 3 | Green flag | 64°18° 51°10° | 15% <0.01 in0.1 mm | 10 mph16 km/h SW | 82°28° | 1,082 ft330 m | 6:31 AM · 5:09 PM | |
| Wed Nov 4 | Green flag | 66°19° 48°9° | 13% | 7 mph11 km/h ENE | 88°31° | 1,442 ft440 m | 6:32 AM · 5:08 PM | |
| Thu Nov 5 | Green flag | 70°21° 50°10° | 2% | 6 mph10 km/h ESE | 94°35° | 1,709 ft521 m | 6:33 AM · 5:07 PM | |
| Fri Nov 6 | Green flag | 78°25° 52°11° | 3% | 6 mph9 km/h E | 104°40° | 2,098 ft639 m | 6:34 AM · 5:06 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 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 62°17° | 49°10° | 63% | 29.90 inHg1012 hPa | 1,287 ft392 m | 1.179 | 53 | 78°25° | 7 mph12 km/h WNW | 1% | |
| 61°16° | 44°6° | 52% | 29.88 inHg1012 hPa | 1,255 ft383 m | 1.181 | 43 | 76°24° | 9 mph15 km/h WNW | 2% | |
| 60°16° | 47°9° | 62% | 29.86 inHg1011 hPa | 1,233 ft376 m | 1.181 | 50 | 74°23° | 10 mph16 km/h WNW | 2% | |
| 59°15° | 49°10° | 69% | 29.86 inHg1011 hPa | 1,171 ft357 m | 1.184 | 53 | 67°19° | 8 mph14 km/h WNW | 2% | |
| 57°14° | 49°10° | 76% | 29.88 inHg1012 hPa | 1,014 ft309 m | 1.189 | 54 | 58°15° | 6 mph10 km/h WNW | 1% | |
| 54°12° | 49°10° | 84% | 29.88 inHg1012 hPa | 821 ft250 m | 1.196 | 54 | 54°12° | 5 mph9 km/h W | 2% | |
| 55°13° | 51°10° | 84% | 29.90 inHg1012 hPa | 895 ft273 m | 1.193 | 56 | 55°13° | 6 mph10 km/h WNW · gusts 15 mph23 km/h | 1% | |
| 54°12° | 49°9° | 83% | 29.90 inHg1012 hPa | 779 ft237 m | 1.197 | 52 | 54°12° | 5 mph8 km/h W · gusts 13 mph21 km/h | 1% | |
| 52°11° | 48°9° | 85% | 29.88 inHg1012 hPa | 696 ft212 m | 1.200 | 51 | 52°11° | 5 mph8 km/h WSW | 1% | |
| 52°11° | 47°8° | 83% | 29.87 inHg1012 hPa | 659 ft201 m | 1.202 | 48 | 52°11° | 5 mph8 km/h WSW | 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 Laguna Seca
Pit box, all week
Every forecast hour for the next seven days at Laguna Seca: 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 Laguna Seca, and a heads-up three days out.
A year at Laguna Seca
Typical for October here: highs around 69°21°, lows 51°11°, rain on 11% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Facts
- Location
- Monterey, California
- Layout
- 2.238-mile, 11-turn road course with the Corkscrew
- Length
- 2.238 mi (3.60 km)
- Surface
- Asphalt
- Opened
- 1957
- Series
- IndyCar, IMSA
- Signature events
- Grand Prix of Monterey, Rolex Monterey Motorsports Reunion
- Time zone
- America/Los Angeles
- Elevation
- 758 ft (231 m)