59°15°ClearFeels like 53°12° · Dew point 36°2°
- Track temp
- 67°F19°C
- Rain chance
- 0%
- Wind
- 6mph10km/hWNW
- Density alt.
- -355ft-108m
- Barometer 30.41 inHg1030 hPa steady
- Humidity 41%
- Cloud 10%
- UV 1
Forecast updated · Open-Meteo
Next 24 hours
The week Hour by hour
NowClearTemperature 59°15°Rain chance 0%Wind 6 mph10 km/hWNWTrack temperature 67°19°
ClearTemperature 59°15°Rain chance 0%Wind 6 mph10 km/hWNWTrack temperature 67°19°ClearTemperature 55°13°Rain chance 0%Wind 4 mph7 km/hNWTrack temperature 55°13°
ClearTemperature 52°11°Rain chance 0%Wind 5 mph8 km/hWNWTrack temperature 52°11°
OvercastTemperature 50°10°Rain chance 0%Wind 5 mph7 km/hWNWTrack temperature 50°10°OvercastTemperature 49°9°Rain chance 0%Wind 5 mph8 km/hWNWTrack temperature 49°9°Mostly clearTemperature 48°9°Rain chance 0%Wind 5 mph8 km/hWNWTrack temperature 48°9°Mostly clearTemperature 46°8°Rain chance 0%Wind 5 mph8 km/hNWTrack temperature 46°8°Mostly clearTemperature 45°7°Rain chance 0%Wind 5 mph7 km/hNWTrack temperature 45°7°ClearTemperature 44°7°Rain chance 0%Wind 5 mph8 km/hNNWTrack temperature 44°7°Mostly clearTemperature 43°6°Rain chance 0%Wind 5 mph8 km/hNTrack temperature 43°6°OvercastTemperature 42°6°Rain chance 0%Wind 4 mph7 km/hNNWTrack temperature 42°6°OvercastTemperature 41°5°Rain chance 0%Wind 5 mph8 km/hNNWTrack temperature 41°5°OvercastTemperature 40°4°Rain chance 0%Wind 5 mph7 km/hNNWTrack temperature 40°4°OvercastTemperature 39°4°Rain chance 0%Wind 5 mph8 km/hNTrack temperature 39°4°OvercastTemperature 39°4°Rain chance 0%Wind 4 mph7 km/hNTrack temperature 39°4°
OvercastTemperature 39°4°Rain chance 0%Wind 4 mph7 km/hNTrack temperature 40°4°OvercastTemperature 45°7°Rain chance 0%Wind 5 mph8 km/hNNETrack temperature 51°10°OvercastTemperature 50°10°Rain chance 0%Wind 6 mph10 km/hNETrack temperature 60°16°OvercastTemperature 54°12°Rain chance 0%Wind 5 mph8 km/hNETrack temperature 73°23°OvercastTemperature 57°14°Rain chance 0%Wind 4 mph6 km/hNNETrack temperature 82°28°OvercastTemperature 59°15°Rain chance 0%Wind 3 mph5 km/hNNETrack temperature 86°30°
Partly cloudyTemperature 61°16°Rain chance 0%Wind 3 mph5 km/hNNETrack temperature 87°31°Partly cloudyTemperature 62°17°Rain chance 0%Wind 2 mph4 km/hNNETrack temperature 86°30°OvercastTemperature 62°16°Rain chance 0%Wind 2 mph3 km/hNNETrack temperature 79°26°Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude-355ft-108mField elevation 72 ft
Air density1.238kg/m³101.0% of standard (RAD)
Water grains30grgrains per lb of dry air
Track temp (est.)67°F19°CAsphalt in 188 W/m² sun
Dew point36°F2°C41% humidity
Barometer30.41inHg1030hPaSteady over 3 h
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.
This week
Day by day
- TodayOct 3160°16° 42°5° 0%Green flag
- TomorrowNov 162°17° 39°4° 1%Green flag
- MonNov 262°17° 39°4° 2%Green flag
- TueNov 367°19° 51°11° 0%Green flag
- WedNov 469°21° 55°13° 1%Green flag
- ThuNov 5
67°20° 59°15° 38%Yellow flag - FriNov 670°21° 62°16° 47%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | Overcast | 60°16° 42°5° | 0% | 18 mph29 km/h NNW | 84°29° | -288 ft-88 m | 7:26 AM · 6:01 PM |
| Tomorrow Nov 1 | Green flag | Overcast | 62°17° 39°4° | 1% | 13 mph22 km/h NNW | 87°31° | -329 ft-100 m | 6:27 AM · 5:00 PM |
| Mon Nov 2 | Green flag | Overcast | 62°17° 39°4° | 2% | 12 mph19 km/h S | 83°28° | -143 ft-44 m | 6:28 AM · 4:59 PM |
| Tue Nov 3 | Green flag | Overcast | 67°19° 51°11° | 0% | 16 mph26 km/h S | 89°32° | 356 ft109 m | 6:29 AM · 4:58 PM |
| Wed Nov 4 | Green flag | Clear | 69°21° 55°13° | 1% | 16 mph25 km/h SSE | 89°32° | 636 ft194 m | 6:30 AM · 4:57 PM |
| Thu Nov 5 | Yellow flaggusty wind | Light drizzle | 67°20° 59°15° | 38% 0.1 in2.6 mm | 25 mph41 km/h SSE | 72°22° | 770 ft235 m | 6:31 AM · 4:56 PM |
| Fri Nov 6 | Green flag | Light drizzle | 70°21° 62°16° | 47% 0.03 in0.7 mm | 16 mph25 km/h ESE | 81°27° | 1,138 ft347 m | 6:32 AM · 4:55 PM |
Flags judge the racing hours, 9 am to 10 pm at the track. Days marked partial are at the edge of the forecast.
Pit box, all week
Pro Every hour, every number
Today’s remaining 7 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 59°15° | 36°2° | 41% | 30.41 inHg1030 hPa | -355 ft-108 m | 1.238 | 30 | 67°19° | 6 mph10 km/h WNW | 0% | |
| 55°13° | 35°1° | 46% | 30.42 inHg1030 hPa | -653 ft-199 m | 1.249 | 29 | 55°13° | 4 mph7 km/h NW | 0% | |
| 52°11° | 34°1° | 50% | 30.46 inHg1031 hPa | -903 ft-275 m | 1.258 | 28 | 52°11° | 5 mph8 km/h WNW | 0% | |
| 50°10° | 34°1° | 53% | 30.44 inHg1031 hPa | -1,005 ft-306 m | 1.261 | 28 | 50°10° | 5 mph7 km/h WNW | 0% | |
| 49°9° | 34°1° | 56% | 30.46 inHg1031 hPa | -1,109 ft-338 m | 1.265 | 28 | 49°9° | 5 mph8 km/h WNW | 0% | |
| 48°9° | 34°1° | 58% | 30.45 inHg1031 hPa | -1,186 ft-361 m | 1.268 | 28 | 48°9° | 5 mph8 km/h WNW | 0% | |
| 46°8° | 35°1° | 63% | 30.47 inHg1032 hPa | -1,285 ft-392 m | 1.272 | 29 | 46°8° | 5 mph8 km/h NW | 0% |
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.
Raceway Weather Pro
Plan the whole week at NJMP
Pit box, all week
Every forecast hour for the next seven days at NJMP: 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 NJMP, and a heads-up three days out.
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The track
Facts
- Location
- Millville, New Jersey
- Layout
- 2.25-mile Thunderbolt; 1.9-mile Lightning
- Length
- 2.25 mi (3.62 km)
- Surface
- Asphalt
- Opened
- 2008
- Series
- Club racing, MotoAmerica
- Signature events
- MotoAmerica at NJMP
- Time zone
- America/New York
- Elevation
- 72 ft (22 m)