NowOvercastTemperature 74°23°Rain chance 0%Wind 9 mph15 km/hENETrack temperature 76°25°
OvercastTemperature 73°23°Rain chance 0%Wind 7 mph11 km/hENETrack temperature 75°24°
OvercastTemperature 70°21°Rain chance 1%Wind 7 mph11 km/hENETrack temperature 70°21°
OvercastTemperature 68°20°Rain chance 1%Wind 7 mph11 km/hENETrack temperature 68°20°
OvercastTemperature 68°20°Rain chance 1%Wind 8 mph12 km/hENETrack temperature 68°20°
OvercastTemperature 67°20°Rain chance 1%Wind 9 mph15 km/hENETrack temperature 67°20°
OvercastTemperature 66°19°Rain chance 2%Wind 8 mph14 km/hENETrack temperature 66°19°
OvercastTemperature 65°19°Rain chance 2%Wind 7 mph11 km/hETrack temperature 65°19°
OvercastTemperature 64°18°Rain chance 2%Wind 8 mph12 km/hENETrack temperature 64°18°
OvercastTemperature 63°17°Rain chance 3%Wind 8 mph12 km/hENETrack temperature 63°17°
OvercastTemperature 62°17°Rain chance 2%Wind 10 mph15 km/hENETrack temperature 62°17°
OvercastTemperature 63°17°Rain chance 3%Wind 9 mph15 km/hENETrack temperature 63°17°
OvercastTemperature 61°16°Rain chance 4%Wind 12 mph19 km/hENETrack temperature 61°16°
OvercastTemperature 61°16°Rain chance 3%Wind 12 mph19 km/hENETrack temperature 61°16°
OvercastTemperature 60°16°Rain chance 6%Wind 10 mph16 km/hNETrack temperature 60°16°
OvercastTemperature 59°15°Rain chance 9%Wind 8 mph14 km/hNETrack temperature 59°15°
OvercastTemperature 60°16°Rain chance 11%Wind 10 mph16 km/hENETrack temperature 62°16°
OvercastTemperature 61°16°Rain chance 14%Wind 10 mph15 km/hENETrack temperature 63°17°
OvercastTemperature 61°16°Rain chance 12%Wind 9 mph14 km/hENETrack temperature 62°17°
OvercastTemperature 62°17°Rain chance 9%Wind 10 mph16 km/hENETrack temperature 65°18°
OvercastTemperature 63°17°Rain chance 7%Wind 7 mph12 km/hENETrack temperature 65°18°
OvercastTemperature 64°18°Rain chance 7%Wind 9 mph15 km/hNETrack temperature 66°19°
OvercastTemperature 66°19°Rain chance 8%Wind 9 mph15 km/hNETrack temperature 70°21°
OvercastTemperature 68°20°Rain chance 8%Wind 9 mph15 km/hENETrack temperature 73°23°
Hours in your time zone (the track's when they match). Track temperature is an estimate.
Pit box
The racer numbers
Density altitude1,110ft338mField elevation 289 ft
Air density1.186kg/m³96.8% of standard (RAD)
Water grains50grgrains per lb of dry air
Track temp (est.)76°F25°CDirt in 75 W/m² sun
Dew point48°F9°C40% humidity
Barometer30.24inHg1024hPaSteady over 3 h
SurfaceDryDry, likely dusty: little rain in 48 h
Rain, last 48 h0.0in0mmat the track
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 3175°24°55°13° 2%Green flag
TomorrowNov 168°20°59°15° 14%Yellow flag
MonNov 277°25°59°15° 22%Yellow flag
TueNov 381°27°61°16° 4%Yellow flag
WedNov 481°27°67°19° 35%Yellow flag
ThuNov 574°23°66°19° 24%Green flag
FriNov 679°26°64°18° 23%Green flagpartial
Day
Flag
Sky
High / low
Rain
Gusts
Track temp
Density alt.
Sunrise · sunset
Today Oct 31
Green flag
Overcast
75°24°55°13°
2%
23 mph37 km/h NE
93°34°
1,210 ft369 m
7:45 AM · 6:40 PM
Tomorrow Nov 1
Yellow flaggusty wind
Overcast
68°20°59°15°
14%
30 mph48 km/h ENE
73°23°
702 ft214 m
6:46 AM · 5:39 PM
Mon Nov 2
Yellow flaggusty wind
Overcast
77°25°59°15°
22%
30 mph48 km/h ENE
91°33°
1,404 ft428 m
6:46 AM · 5:38 PM
Tue Nov 3
Yellow flaggusty wind
Overcast
81°27°61°16°
4% <0.01 in0.1 mm
31 mph50 km/h ENE
97°36°
1,819 ft554 m
6:47 AM · 5:38 PM
Wed Nov 4
Yellow flaggusty wind
Light drizzle
81°27°67°19°
35% 0.06 in1.6 mm
28 mph45 km/h ESE
94°35°
1,996 ft608 m
6:48 AM · 5:37 PM
Thu Nov 5
Green flag
Drizzle
74°23°66°19°
24% 0.67 in17 mm
21 mph33 km/h E
86°30°
1,722 ft525 m
6:49 AM · 5:36 PM
Fri Nov 6
Green flag
Light drizzle
79°26°64°18°
23% 0.04 in0.9 mm
15 mph24 km/h NW
99°37°
2,069 ft631 m
6:50 AM · 5:35 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
74°23°
48°9°
40%
30.24 inHg1024 hPa
1,110 ft338 m
1.186
50
76°25°
9 mph15 km/h ENE
0%
73°23°
47°9°
41%
30.27 inHg1025 hPa
975 ft297 m
1.190
48
75°24°
7 mph11 km/h ENE · gusts 17 mph28 km/h
0%
70°21°
48°9°
45%
30.28 inHg1026 hPa
820 ft250 m
1.196
49
70°21°
7 mph11 km/h ENE · gusts 16 mph26 km/h
1%
68°20°
49°9°
50%
30.29 inHg1026 hPa
660 ft201 m
1.202
50
68°20°
7 mph11 km/h ENE · gusts 16 mph26 km/h
1%
68°20°
48°9°
49%
30.30 inHg1026 hPa
625 ft190 m
1.203
49
68°20°
8 mph12 km/h ENE · gusts 19 mph30 km/h
1%
67°20°
49°10°
52%
30.30 inHg1026 hPa
623 ft190 m
1.203
52
67°20°
9 mph15 km/h ENE · gusts 19 mph31 km/h
1%
66°19°
51°11°
60%
30.31 inHg1026 hPa
522 ft159 m
1.206
56
66°19°
8 mph14 km/h ENE · gusts 23 mph37 km/h
2%
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 Swainsboro
Pit box, all week
Every forecast hour for the next seven days at Swainsboro: 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 Swainsboro, and a heads-up three days out.
OvercastTemperature 70°21°Rain chance 1%Wind 7 mph11 km/hENETrack temperature 70°21°
81°27° 67°19° 35%Yellow flag