Low Covid-19 risk in Grafton, New Hampshire.
Moderate Flu activity in Grafton, New Hampshire.
Low Rsv risk in Grafton, New Hampshire.
Low Infectious risk in Grafton, New Hampshire.
Very high Allergy risk in Grafton, New Hampshire.
Low Pollution risk in Grafton, New Hampshire.
Low Weather risk in Grafton, New Hampshire.
Last updated: April 20, 2026
Data refreshed weekly