February in Fort Smith is the cloudiest month of the year. In February, the weather in Fort Smith is typically cold. Average daily high temperature in February is about 9 degrees above zero. On average, Fort Smith has 12 partly cloudy, 11 sunny, 4 rainy, and 2 cloudy days in February. The rains are usually moderate. February as well as January, March, and December is considered the most uncomfortable time to visit Fort Smith.