weather in onalaska, texas fahrenheit
Texas Weather > Onalaska Weather Onalaska, TX Weather Onalaska, TX climate is hot during summer when temperatures tend to be in the 80's and cold during winter when temperatures tend to be in the 40's. The warmest month of the year is August with an average maximum temperature of 94.20 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 35.80 degrees Fahrenheit.