January weather forecast in Altoona

January in Altoona is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Altoona is typically freezing. Average daily high temperature in January is about 2 degrees below zero. On average, Altoona has 17 cloudy, 10 snowy, 3 sunny, and 1 partly cloudy day in January. The snowfalls are usually moderate.