WEATHER FORECAST

The weather in Dover, Delaware, during mid-May is typically pleasant to warm, which is important to keep in mind when planning your race weekend at the NASCAR All-Star Race.

Average temperatures

Daytime Highs: Usually in the low to mid-70s °F (21–24°C), though it can occasionally reach the 80s.
Nighttime Lows: Generally in the low to mid-50s °F (11–14°C)

Weather conditions

Daytime: Expect a mix of sunny spells and passing clouds. While May is less humid than summer, spring showers are still possible.
Evening: Once the sun sets, temperatures can drop quickly. It is recommended to have a light jacket or sweatshirt ready for evening sessions.

Rain possibility

Rainfall in May averages around 3.5 inches in Dover. Passing spring showers or light rain are more common than heavy summer thunderstorms. A poncho or light rain jacket is recommended just in case.

Wind

Winds are typically light to moderate, averaging around 8–12 mph (13–19 km/h), providing a cool breeze across the grandstands.

Sun protection

UV levels are increasing in mid-May. Use sunscreen, wear a hat and sunglasses, even if it feels cooler than mid-summer. Some grandstands offer limited shade.

Final tip

For the most accurate forecast leading up to race weekend, check a reliable weather app like The Weather Channel or Windy. Weather can be unpredictable during Delaware springs, so it’s best to be ready for changing conditions.