Low Covid-19 risk in Williamson, Texas.
Low Flu risk in Williamson, Texas.
Low Rsv risk in Williamson, Texas.
Low Infectious risk in Williamson, Texas.
Very high Allergy risk in Williamson, Texas.
Low Pollution risk in Williamson, Texas.
Low Weather risk in Williamson, Texas.
Last updated: April 20, 2026
Data refreshed weekly