



That's not to knock games played in domes. Sure, football has its fair share of domes, but the large majority of NFL venues are entirely open to the will of Mother Nature. The NBA and NHL exclusively play indoors, and MLB will call games or use retractable roofs when the conditions become too harsh. Of the four major American sports, the NFL has always been unique in its lone willingness to brave the weather for its games. Accounting for extreme temperatures is easy.Precipitation is nuanced in its effect depending on the type (rain or snow) and severity.Wind's effect may seem underwhelming at first, but contextualizing performance can show its significant impact.Wind is the most reliable weather condition to account for due to the sample size.Most weather only has light to moderate effects on NFL outcomes.
