According to AccuWeather, the high for Sunday's Cardinals-49ers game will be 99 degrees, which wouldn't be anything new if the game was in Arizona. Instead, it's projected to be the hottest game in the 11-year history of Levi's Stadium.

The San Francisco 49ers, along with their fans, are preparing for what is expected to be the hottest gametime temperature in Levi's Stadium history as they face the Arizona Cardinals on Sunday. Kelsi Thorud reports.

San Francisco will have to wear their red jerseys at home during record heat, despite Kyle Shanahan's request to wear white.

Amid what constitutes scalding conditions for Northern California, 49ers coach Kyle Shanahan told reporters Friday that the team asked the NFL to switch to white uniforms from red uniforms and was refused. The team will be able to wear white pants with its throwback uniforms, but that's it.

It may be the first game in October for the San Francisco 49ers on Sunday, but this Week 5 matchup with the Arizona Cardinals will feel anything other than fall. With a heatwave hitting the Santa Clara area,

After the 49ers evened their record at 2-2 by beating the Patriots, the next step is to stack wins on top of each other, which the Niners have a chance of doing Sunday against the Arizona Cardinals.

In the first three games of the season, Arizona Cardinals quarterback Kyler Murray had five runs each week for 57, 59 and 45 yards. That production disappeared in last week’s game against the Washington Commanders when he had only one attempt