Story byJason LoganWed, January 14, 2026 at 8:39 PM UTC·3 min readThe Pacific Northwest can be messy this time of year, which has everyone looking to the skies when the Seattle Seahawks host the rival San Francisco 49ers on Saturday night. Ahead of kickoff, here’s my 49ers vs. Seahawks weather report as we break down how the elements could affect the NFL odds on January 17. AdvertisementAdvertisementAdvertisement49ers vs Seahawks weather forecastThe forecast for Lumen Field shows clear skies and temperatures in the high 40s. Winds will barely blow on Saturday night, with sustained breezes of 4 mph and gusts up to 9 mph moving NNE from end to end. How 49ers vs Seahawks weather impacts the oddsWeather will have zero influence over the odds or action on the field Saturday night. Temperatures sit just short of 50 degrees, which isn’t too chilly for the California-based visitor. Crowd noise is always something visitors have to battle at Lumen Field, with the infamous “12” making it impossible to hear calls — especially on crucial third and fourth-down tries.