Natural Disaster Risk in Wellesley

Natural Hazard Profile: Wellesley, Massachusetts

Wellesley is a city of approximately 11,051 residents in Norfolk County, along the northeastern Atlantic Seaboard. The area experiences cold winters with heavy snowfall and warm summers, with nor'easter storms bringing heavy snow and coastal flooding shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Wellesley.

According to FEMA's National Risk Index, Wellesley carries an overall risk score of 7.0/10, placing it in the high category. Coastal flood risk defines the local natural hazard environment, with sea-level rise trends gradually increasing the frequency of tidal flooding events alongside storm surge threats. The area also faces notable exposure to hurricane and earthquake.

Wellesley's risk score, slightly above the 6.5/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Norfolk County, the highest-scoring are coastal flood, hurricane, and earthquake. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

Wellesley's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.