San Diegans should be prepared for a week of varied weather conditions, from frosty mornings to potential high winds, before temperatures swing above average mid-week. According to the National Weather Service San Diego, areas of frost were expected Sunday morning, Nov 17, notably impacting wind-sheltered valleys in the Inland Empire and San Diego County. Despite the chilly start, temperatures were forecasted to climb slightly higher than the previous day, with highs ranging between the mid-40s to high 70s across various regions.