High 74F. Let’s a detailed look at Wednesday’s Darlington weather forecast and what it means for NASCAR’s Toyota 500. NASCAR race weather forecast for Darlington According to weather.com, there is a 90 percent chance of precipitation in the Darlington, S.C., area on Wednesday night. Darlington, S.C. could see between two to three inches of rain Wednesday night. Winds W at 10 to 15 mph. The NASCAR Xfinity race that was scheduled to run Tuesday night at Darlington has been rescheduled to noon ET Thursday due to rain. ET, FS1) at Darlington Raceway. Sunshine and clouds mixed. ET. See what plays the Action Network experts are making for all of today's games. Chance of rain 70%. Well aware of the threat of rain in Darlington on Wednesday, NASCAR reportedly has a 7 p.m. Kyle Busch breaks down Kevin Harvick incident at Martinsville, NASCAR betting: Odds, lines for Phoenix championship race, Why Chase Elliott will win the 2020 NASCAR Cup Series title, Drivers under 30 to win a NASCAR Cup Series championship, Chase Elliott wins Busch Pole Award for season finale at Phoenix, Jewel is set to perform the national anthem. Low 56F. Read about our approach to external linking. Chance of precipitation is 20%. The new 6 p.m. Low around 60F. Rainfall near a half an inch. The National Weather Service has a flash flood watch in effect for the Darlington area through Thursday. Scattered thunderstorms in the morning, then mainly cloudy during the afternoon with thunderstorms likely. Day by day forecast. Heavy rain is expected for Wednesday night's NASCAR Toyota 500 (6 p.m. High 71F. Chance of rain 60%. Winds light and variable. Other adjustments include mandating the use of protective equipment, health screenings for all individuals before entering the facility and maintaining social distancing protocols throughout the event. Winds ENE at 10 to 15 mph. Winds light and variable. Since then, some drivers have competed in virtual racing in the eNASCAR Pro Invitational Series, but these races were for bragging rights and did not count toward the official 2020 season. Variably cloudy with scattered thunderstorms. Discover the best online sports betting sites and take advantage of bonus offers from legal sportsbooks. Kevin Harvick won on Sunday for his 50th victory in the Cup Series. "It's usually about 30 to 40 degrees [Fahrenheit] hotter inside the car than the outside ambient temperature," David Ragan told AccuWeather. Darlington - Weather warnings issued 14-day forecast. There is the chance of the odd shower or spot of rain. Indoor Humidity 37% (Dry) Dew Point 29° F. Cloud Cover 0%. FILE - In this Sept. 4, 2015, file photo, Aric Almirola heads for the track during a NASCAR Sprint Cup auto racing practice session at Darlington Raceway in Darlington, S.C. Observation Station: Durham Tees Valley (Lat: 54.5167. This is why NASCAR already moved the start time for Wednesday night's race up to 6 p.m. Download the Action app to track all your bets in one place. Partly to mostly cloudy. Get the forecast for today, tonight & tomorrow's weather for Darlington, SC. Mostly sunny, with a high near 81. Last updated today at 23:00. Light and variable wind. That NASCAR already changed the start time for Wednesday night's Cup Series race tells us all we need to know about how it feels regarding the threat of rain. NASCAR officials have moved up the start time for Wednesday’s NASCAR Cup Series Toyota 500 at Darlington Raceway to 6 p.m.