- Track temp
- 43°F6°C
- Rain chance
- 0%
- Wind
- 5mph8km/hWNW · gusts 13 mph22 km/h
- Density alt.
- -922ft-281m
- Barometer 30.38 inHg1029 hPa rising
- Humidity 43%
- Cloud 0%
- UV 0
Forecast updated · Open-Meteo
Hour by hour
ClearTemperature 43°6°Rain chance 0%Wind 5 mph8 km/hWNWTrack temperature 43°6°ClearTemperature 40°5°Rain chance 0%Wind 4 mph7 km/hNWTrack temperature 40°5°ClearTemperature 39°4°Rain chance 0%Wind 5 mph8 km/hNNWTrack temperature 39°4°ClearTemperature 37°3°Rain chance 0%Wind 5 mph8 km/hNTrack temperature 37°3°ClearTemperature 36°2°Rain chance 0%Wind 5 mph7 km/hNNWTrack temperature 36°2°ClearTemperature 34°1°Rain chance 0%Wind 3 mph4 km/hNNETrack temperature 34°1°ClearTemperature 34°1°Rain chance 0%Wind 1 mph1 km/hESETrack temperature 34°1°ClearTemperature 33°1°Rain chance 0%Wind 2 mph4 km/hSETrack temperature 33°1°ClearTemperature 33°0°Rain chance 0%Wind 2 mph3 km/hSTrack temperature 33°0°ClearTemperature 30°-1°Rain chance 0%Wind 2 mph3 km/hSSETrack temperature 30°-1°ClearTemperature 30°-1°Rain chance 0%Wind 1 mph1 km/hESETrack temperature 30°-1°ClearTemperature 29°-1°Rain chance 0%Wind 1 mph1 km/hESETrack temperature 29°-1°ClearTemperature 29°-2°Rain chance 0%Wind 2 mph3 km/hSETrack temperature 29°-2°ClearTemperature 28°-2°Rain chance 0%Wind 1 mph2 km/hSSETrack temperature 28°-2°
ClearTemperature 29°-2°Rain chance 0%Wind 1 mph2 km/hSETrack temperature 30°-1°ClearTemperature 36°2°Rain chance 0%Wind 1 mph2 km/hSETrack temperature 44°7°ClearTemperature 45°7°Rain chance 0%Wind 6 mph10 km/hWNWTrack temperature 57°14°ClearTemperature 49°9°Rain chance 0%Wind 8 mph12 km/hWNWTrack temperature 66°19°ClearTemperature 53°12°Rain chance 0%Wind 9 mph14 km/hWNWTrack temperature 72°22°ClearTemperature 55°13°Rain chance 0%Wind 10 mph16 km/hWNWTrack temperature 74°24°ClearTemperature 57°14°Rain chance 0%Wind 10 mph16 km/hWNWTrack temperature 74°24°ClearTemperature 58°14°Rain chance 0%Wind 9 mph15 km/hWNWTrack temperature 73°23°ClearTemperature 58°15°Rain chance 0%Wind 8 mph13 km/hWNWTrack temperature 69°20°ClearTemperature 55°13°Rain chance 0%Wind 4 mph7 km/hWTrack temperature 60°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 3150°10° 34°1° 0%Yellow flag
- TomorrowNov 158°15° 28°-2° 1%Green flag
- MonNov 2
67°19° 40°4° 2%Green flag - TueNov 367°20° 46°8° 9%Green flag
- WedNov 471°22° 51°10° 11%Green flag
- ThuNov 5
69°21° 50°10° 38%Green flag - FriNov 660°15° 53°11° 47%Green flagpartial
| Day | Flag | Sky | High / low | Rain | Gusts | Track temp | Density alt. | Sunrise · sunset |
|---|---|---|---|---|---|---|---|---|
| Today Oct 31 | Yellow flagcold | Clear | 50°10° 34°1° | 0% | 29 mph46 km/h NW | 68°20° | -382 ft-116 m | 7:18 AM · 5:40 PM |
| Tomorrow Nov 1 | Green flag | Clear | 58°15° 28°-2° | 1% | 19 mph31 km/h W | 74°24° | 97 ft30 m | 6:19 AM · 4:39 PM |
| Mon Nov 2 | Green flag | Overcast | 67°19° 40°4° | 2% | 20 mph32 km/h SW | 85°30° | 828 ft252 m | 6:21 AM · 4:37 PM |
| Tue Nov 3 | Green flag | Overcast | 67°20° 46°8° | 9% | 7 mph12 km/h W | 85°29° | 948 ft289 m | 6:22 AM · 4:36 PM |
| Wed Nov 4 | Green flag | Overcast | 71°22° 51°10° | 11% | 20 mph32 km/h S | 88°31° | 1,288 ft393 m | 6:23 AM · 4:35 PM |
| Thu Nov 5 | Green flag | Light drizzle | 69°21° 50°10° | 38% 0.06 in1.6 mm | 20 mph33 km/h SSW | 82°28° | 1,396 ft426 m | 6:25 AM · 4:33 PM |
| Fri Nov 6 | Green flag | Light drizzle | 60°15° 53°11° | 47% 0.15 in3.7 mm | 23 mph37 km/h NE | 62°16° | 753 ft230 m | 6:26 AM · 4:32 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 43°6° | 22°-5° | 43% | 30.38 inHg1029 hPa | -922 ft-281 m | 1.258 | 18 | 43°6° | 5 mph8 km/h WNW · gusts 13 mph22 km/h | 0% | |
| 40°5° | 21°-6° | 46% | 30.40 inHg1030 hPa | -1,126 ft-343 m | 1.266 | 17 | 40°5° | 4 mph7 km/h NW | 0% | |
| 39°4° | 21°-6° | 49% | 30.42 inHg1030 hPa | -1,258 ft-383 m | 1.271 | 17 | 39°4° | 5 mph8 km/h NNW | 0% | |
| 37°3° | 21°-6° | 52% | 30.44 inHg1031 hPa | -1,375 ft-419 m | 1.275 | 17 | 37°3° | 5 mph8 km/h N | 0% | |
| 36°2° | 20°-7° | 53% | 30.43 inHg1031 hPa | -1,496 ft-456 m | 1.280 | 16 | 36°2° | 5 mph7 km/h NNW | 0% | |
| 34°1° | 19°-7° | 53% | 30.45 inHg1031 hPa | -1,600 ft-488 m | 1.283 | 15 | 34°1° | 3 mph4 km/h NNE | 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 New Hampshire
Pit box, all week
Every forecast hour for the next seven days at New Hampshire: 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 New Hampshire, and a heads-up three days out.
A year at New Hampshire
Typical for October here: highs around 61°16°, lows 44°6°, rain on 29% of days.
5-year averages from the Open-Meteo archive at the track's coordinates.
Getting to New Hampshire
1122 Route 106 North, Loudon, NH 03307
Parking
Free general parking on major event weekends. Paid Premium, Village Green Tailgate, S1 and Overlook Tailgate Hill lots enter at the Main Entrance off Route 106 North. Daily lots open by 7 a.m. on NASCAR weekend. nhms.com
Camping On site
Reserved sites for self-contained RVs only, no hookups or dump station. Tents allowed only in Lot S7 during NASCAR week. NASCAR camping requires buying at least two Sunday tickets. Prices not published. nhms.com
Good to know
One soft-sided cooler or clear bag up to 14x14x14 inches; hard and foam coolers are not allowed through the gates. Alcohol allowed, no glass. nhms.com
From the track’s own pages, checked October 2026. Prices and rules change by event, so confirm before you go.
Facts
- Location
- Loudon, New Hampshire
- Layout
- 1.058-mile flat oval, the Magic Mile
- Length
- 1.058 mi (1.70 km)
- Surface
- Asphalt
- Banking
- 2°–7°
- Opened
- 1990
- Series
- NASCAR Cup
- Signature events
- USA Today 301
- Time zone
- America/New York
- Elevation
- 482 ft (147 m)
