- Track temp
- 55°F13°C
- Rain chance
- 0%
- Wind
- 3mph5km/hESE
- Density alt.
- 146ft45m
- Barometer 30.42 inHg1030 hPa steady
- Humidity 53%
- Cloud 100%
- UV 0
Forecast updated · Open-Meteo
Hour by hour
OvercastTemperature 55°13°Rain chance 0%Wind 3 mph5 km/hESETrack temperature 55°13°OvercastTemperature 54°12°Rain chance 0%Wind 2 mph4 km/hNNETrack temperature 54°12°OvercastTemperature 53°12°Rain chance 0%Wind 3 mph5 km/hNTrack temperature 53°12°OvercastTemperature 53°12°Rain chance 0%Wind 3 mph5 km/hNTrack temperature 53°12°OvercastTemperature 52°11°Rain chance 1%Wind 3 mph5 km/hNTrack temperature 52°11°OvercastTemperature 51°11°Rain chance 2%Wind 4 mph6 km/hNWTrack temperature 51°11°OvercastTemperature 50°10°Rain chance 3%Wind 4 mph6 km/hNTrack temperature 50°10°OvercastTemperature 48°9°Rain chance 3%Wind 5 mph7 km/hNNETrack temperature 48°9°OvercastTemperature 47°9°Rain chance 2%Wind 4 mph7 km/hNNWTrack temperature 47°9°OvercastTemperature 47°8°Rain chance 1%Wind 4 mph7 km/hNWTrack temperature 47°8°OvercastTemperature 46°8°Rain chance 2%Wind 4 mph6 km/hNNWTrack temperature 46°8°OvercastTemperature 46°8°Rain chance 2%Wind 4 mph6 km/hWNWTrack temperature 46°8°
OvercastTemperature 45°7°Rain chance 2%Wind 5 mph8 km/hNWTrack temperature 45°7°OvercastTemperature 48°9°Rain chance 2%Wind 2 mph3 km/hNWTrack temperature 52°11°OvercastTemperature 54°12°Rain chance 2%Wind 3 mph4 km/hNNETrack temperature 65°18°OvercastTemperature 58°14°Rain chance 2%Wind 3 mph6 km/hNETrack temperature 74°23°OvercastTemperature 60°16°Rain chance 3%Wind 6 mph9 km/hETrack temperature 74°23°OvercastTemperature 63°17°Rain chance 2%Wind 5 mph8 km/hETrack temperature 87°30°OvercastTemperature 64°18°Rain chance 2%Wind 6 mph10 km/hETrack temperature 84°29°OvercastTemperature 65°19°Rain chance 2%Wind 6 mph10 km/hETrack temperature 85°30°OvercastTemperature 65°18°Rain chance 2%Wind 6 mph10 km/hETrack temperature 77°25°
Partly cloudyTemperature 64°18°Rain chance 2%Wind 5 mph8 km/hETrack temperature 73°23°OvercastTemperature 62°17°Rain chance 2%Wind 3 mph5 km/hESETrack temperature 64°18°OvercastTemperature 59°15°Rain chance 2%Wind 3 mph4 km/hETrack temperature 59°15°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 3165°19° 43°6° 0%Green flag
- TomorrowNov 165°19° 45°7° 3%Green flag
- MonNov 265°18° 49°9° 4%Green flag
- TueNov 3
72°22° 47°8° 1%Green flag - WedNov 475°24° 51°11° 35%Green flag
- ThuNov 5
74°23° 59°15° 49%Red flag - FriNov 6
66°19° 56°13° 35%Red flag
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Green flag | Overcast | 65°19° 43°6° | 0% | 12 mph19 km/h N | 87°31° | 854 ft260 m | 7:40 AM · 6:25 PM |
| Tomorrow Nov 1 | Green flag | Overcast | 65°19° 45°7° | 3% | 11 mph17 km/h NE | 87°30° | 743 ft226 m | 6:42 AM · 5:24 PM |
| Mon Nov 2 | Green flag | Overcast | 65°18° 49°9° | 4% | 9 mph14 km/h NE | 83°28° | 925 ft282 m | 6:43 AM · 5:23 PM |
| Tue Nov 3 | Green flag | Clear | 72°22° 47°8° | 1% | 9 mph14 km/h S | 94°35° | 1,574 ft480 m | 6:44 AM · 5:21 PM |
| Wed Nov 4 | Green flag | Overcast | 75°24° 51°11° | 35% | 8 mph12 km/h SE | 93°34° | 1,915 ft584 m | 6:45 AM · 5:21 PM |
| Thu Nov 5 | Red flagrain | Heavy drizzle | 74°23° 59°15° | 49% 0.19 in4.9 mm | 7 mph11 km/h SE | 85°29° | 2,049 ft625 m | 6:46 AM · 5:20 PM |
| Fri Nov 6 | Red flagrain | Light showers | 66°19° 56°13° | 35% 0.51 in12.9 mm | 8 mph13 km/h SSW | 73°23° | 1,824 ft556 m | 6:47 AM · 5:19 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 55°13° | 38°3° | 53% | 30.42 inHg1030 hPa | 146 ft45 m | 1.220 | 34 | 55°13° | 3 mph5 km/h ESE | 0% | |
| 54°12° | 39°4° | 58% | 30.44 inHg1031 hPa | 62 ft19 m | 1.223 | 36 | 54°12° | 2 mph4 km/h NNE | 0% | |
| 53°12° | 39°4° | 58% | 30.46 inHg1032 hPa | 1 ft0 m | 1.225 | 35 | 53°12° | 3 mph5 km/h N | 0% | |
| 53°12° | 39°4° | 60% | 30.46 inHg1032 hPa | -30 ft-9 m | 1.226 | 36 | 53°12° | 3 mph5 km/h N | 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.
Plan the whole week at Martinsville
Pit box, all week
Every forecast hour for the next seven days at Martinsville: 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 Martinsville, and a heads-up three days out.
A year at Martinsville
Typical for October here: highs around 70°21°, lows 50°10°, rain on 19% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to Martinsville
340 Speedway Rd, Ridgeway, VA 24148
Parking
Parking on speedway property is free. Paid VIP, premier, suite and club lots are also offered. Accessible parking is first come, first served in the lot behind Turn 2. martinsvillespeedway.com
Camping On site
Track-run RV lots, mostly grass sites with no hookups; Champions Overlook and Backstretch have 50 amp power. A race ticket is needed to buy an RV site. Restrooms and showers; some lots sell out. martinsvillespeedway.com
Good to know
One soft-sided cooler per guest up to 14 x 14 x 14 in and up to two bags 18 x 18 x 14 in; no hard coolers or glass. martinsvillespeedway.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Ridgeway, Virginia
- Layout
- 0.526-mile paperclip oval
- Length
- 0.526 mi (0.85 km)
- Surface
- Asphalt/concrete
- Banking
- 12°
- Opened
- 1947
- Series
- NASCAR Cup
- Signature events
- Xfinity 500 (playoff elimination)
- Time zone
- America/New York
- Elevation
- 715 ft (218 m)