Kentucky Derby Day weather forecast predicts a mostly sunny day in Louisville, Kentucky, for the 151st Run for the Roses at Churchill Downs.

Night - Cloudy. Winds variable. The overnight low will be 41 °F (5 °C). Cloudy with a high of 66 °F (18.9 °C) and a 56% chance of precipitation. Winds variable at 2 to 9 mph (3.2 to 14.5 kph).

Night - Clear. Winds NNW. The overnight low will be 52 °F (11.1 °C). Partly cloudy with a high of 81 °F (27.2 °C) and a 51% chance of precipitation. Winds variable at 1 to 6 mph (1.6 to 9.7 ...

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