NowOvercastTemperature 76°24°Rain chance 2%Wind 8 mph13 km/hSETrack temperature 82°28°
OvercastTemperature 72°22°Rain chance 1%Wind 7 mph11 km/hESETrack temperature 75°24°
OvercastTemperature 69°20°Rain chance 3%Wind 6 mph10 km/hESETrack temperature 69°20°
OvercastTemperature 67°19°Rain chance 2%Wind 6 mph9 km/hSSETrack temperature 67°19°
OvercastTemperature 65°18°Rain chance 5%Wind 6 mph10 km/hSSETrack temperature 65°18°
OvercastTemperature 64°18°Rain chance 5%Wind 7 mph12 km/hSETrack temperature 64°18°
OvercastTemperature 62°17°Rain chance 4%Wind 6 mph9 km/hESETrack temperature 62°17°
OvercastTemperature 61°16°Rain chance 3%Wind 6 mph9 km/hESETrack temperature 61°16°
OvercastTemperature 61°16°Rain chance 2%Wind 7 mph11 km/hSSETrack temperature 61°16°
OvercastTemperature 59°15°Rain chance 2%Wind 4 mph7 km/hETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 4%Wind 7 mph12 km/hETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 6%Wind 9 mph14 km/hESETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 5%Wind 10 mph15 km/hESETrack temperature 59°15°
OvercastTemperature 59°15°Rain chance 5%Wind 7 mph11 km/hETrack temperature 59°15°
OvercastTemperature 58°14°Rain chance 6%Wind 9 mph14 km/hETrack temperature 58°14°
OvercastTemperature 57°14°Rain chance 6%Wind 6 mph10 km/hSETrack temperature 57°14°
OvercastTemperature 58°15°Rain chance 6%Wind 4 mph7 km/hETrack temperature 60°15°
OvercastTemperature 61°16°Rain chance 7%Wind 5 mph8 km/hETrack temperature 65°18°
OvercastTemperature 64°18°Rain chance 6%Wind 7 mph12 km/hESETrack temperature 69°21°
OvercastTemperature 65°19°Rain chance 4%Wind 11 mph17 km/hESETrack temperature 73°23°
OvercastTemperature 68°20°Rain chance 5%Wind 11 mph17 km/hESETrack temperature 75°24°
OvercastTemperature 68°20°Rain chance 9%Wind 11 mph18 km/hESETrack temperature 74°23°
OvercastTemperature 67°20°Rain chance 9%Wind 10 mph16 km/hESETrack temperature 73°23°
OvercastTemperature 67°19°Rain chance 6%Wind 8 mph13 km/hESETrack temperature 70°21°
Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude2,054ft626mField elevation 1,096 ft
Air density1.153kg/m³94.1% of standard (RAD)
Water grains26grgrains per lb of dry air
Track temp (est.)82°F28°CAsphalt in 156 W/m² sun
Dew point31°F-1°C19% humidity
Barometer30.28inHg1025hPaSteady 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 3179°26°49°10° 5%Green flag
TomorrowNov 168°20°57°14° 10%Yellow flag
MonNov 273°23°55°13° 11%Green flag
TueNov 377°25°51°10° 1%Green flag
WedNov 475°24°61°16° 45%Green flag
ThuNov 565°18°62°16° 52%Green flag
FriNov 667°20°60°16° 34%Green flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Oct 31
Green flag
Overcast
79°26°49°10°
5%
16 mph25 km/h ESE
103°39°
2,275 ft693 m
7:53 AM · 6:39 PM
Tomorrow Nov 1
Yellow flaggusty wind
Overcast
68°20°57°14°
10%
25 mph40 km/h ESE
75°24°
1,477 ft450 m
6:54 AM · 5:38 PM
Mon Nov 2
Green flag
Overcast
73°23°55°13°
11%
17 mph28 km/h ESE
97°36°
2,082 ft635 m
6:55 AM · 5:37 PM
Tue Nov 3
Green flag
Overcast
77°25°51°10°
1%
13 mph21 km/h SE
103°39°
2,440 ft744 m
6:56 AM · 5:36 PM
Wed Nov 4
Green flag
Overcast
75°24°61°16°
45%
20 mph33 km/h SE
88°31°
2,464 ft751 m
6:57 AM · 5:35 PM
Thu Nov 5
Green flag
Drizzle
65°18°62°16°
52% 0.33 in8.4 mm
6 mph10 km/h E
66°19°
1,917 ft584 m
6:58 AM · 5:34 PM
Fri Nov 6
Green flag
Drizzle
67°20°60°16°
34% 0.2 in5 mm
13 mph20 km/h WNW
78°26°
2,304 ft702 m
6:59 AM · 5:33 PM
Flags judge the racing hours, 9 am to 10 pm at the track. Days marked partial are at the edge of the forecast.
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
76°24°
31°-1°
19%
30.28 inHg1025 hPa
2,054 ft626 m
1.153
26
82°28°
8 mph13 km/h SE
2%
72°22°
30°-1°
21%
30.31 inHg1026 hPa
1,800 ft549 m
1.162
25
75°24°
7 mph11 km/h ESE · gusts 15 mph25 km/h
1%
69°20°
28°-2°
22%
30.32 inHg1027 hPa
1,558 ft475 m
1.170
23
69°20°
6 mph10 km/h ESE
3%
67°19°
28°-2°
23%
30.32 inHg1027 hPa
1,430 ft436 m
1.175
23
67°19°
6 mph9 km/h SSE
2%
65°18°
28°-2°
25%
30.34 inHg1027 hPa
1,329 ft405 m
1.178
23
65°18°
6 mph10 km/h SSE
5%
64°18°
32°0°
30%
30.33 inHg1027 hPa
1,256 ft383 m
1.181
27
64°18°
7 mph12 km/h SE · gusts 15 mph23 km/h
5%
62°17°
33°1°
33%
30.33 inHg1027 hPa
1,179 ft359 m
1.183
28
62°17°
6 mph9 km/h ESE
4%
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 Newport
Pit box, all week
Every forecast hour for the next seven days at Newport: 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 Newport, and a heads-up three days out.
OvercastTemperature 69°20°Rain chance 3%Wind 6 mph10 km/hESETrack temperature 69°20°
65°18° 62°16° 52%Green flag