NFL Week 13 Weather Forecast: Snow, Rain Expected for Key Matchups

Several NFL games in Week 13 are expected to be affected by adverse weather conditions, including snow and rain.,Key matchups like the 49ers vs. Browns and Bills vs. Steelers could see weather play a significant role.As the 2025 NFL season progresses into late November and December, inclement weather such as rain, snow, and wind are anticipated to influence game outcomes. While most NFL players are accustomed to cold-weather play, performance differences often become apparent in such conditions. This report examines how weather might impact several Week 13 games, which could be of interest to those involved in NFL betting.

49ers vs. Browns (1 p.m. ET Sunday)
Both teams have experienced inconsistent quarterback play. Coupled with the Browns’ strong defense, the forecast suggests favorable conditions for the ‘Under’ bet in this matchup. A steady wind of 15-20 mph is expected, along with snow. However, significant accumulation is unlikely as temperatures are predicted to remain in the mid-30s Fahrenheit. The game’s total has shifted to 36.5, and the SportsLine model indicates a slight lean towards the ‘Over,’ which it predicts will occur in 64% of simulations.

Jaguars vs. Titans (1 p.m. ET Sunday)
This game also features a low total and inconsistent quarterback play, with the consensus over/under set at 41.5. Rain is forecasted throughout the day in the Nashville area. Both the Jaguars and Titans have exhibited offensive struggles this season, though Jacksonville may be better positioned to adapt to these conditions. The SportsLine model favors the ‘Over’ in this game, projecting it to occur in 59% of simulations.

Bills vs. Steelers (4:25 p.m. ET Sunday)
When Buffalo is involved in games with weather concerns, bettors often consider the ‘Under.’ However, this game is being played in Pittsburgh, which may alter betting strategies. The late kickoff suggests the heaviest of the wintry mix might have passed, but localized challenging conditions on the field are still possible. This could pose difficulties for the Steelers’ defense, ranked 28th in yards allowed, but potentially benefit quarterback Josh Allen and the Bills offense. The ‘Over’ is simulated to hit in 50% of SportsLine simulations.