weather in fremont, california fahrenheit
California Weather > Fremont Weather Fremont, CA Weather Fremont, CA climate is mild during summer when temperatures tend to be in the 60's and cool during winter when temperatures tend to be in the 50's. The warmest month of the year is August with an average maximum temperature of 78.60 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 41.70 degrees Fahrenheit.