Weather radio in Massachusetts

KHB35: NOAA Weather Radio, Boston

162.475 MHz · 1,000 W · On the air

KHB35 broadcasts NOAA Weather Radio on 162.475 MHz (WX3 on most receivers) from Boston, with the transmitter at Great Blue Hill, Massachusetts, at 1,000 W. The National Weather Service office in Boston/Norton, MA programs it. It covers 6 counties.

The transmitter and its neighbors

KHB35 (the largest dot) and the transmitters within 100 miles, colored by their status now.

  • On the air
  • Degraded
  • Off the air

The transmitter

Call sign
KHB35
Frequency
162.475 MHz (WX3)
Power
1,000 W
Status
On the air
Station
Boston
Transmitter site
Great Blue Hill
NWS office
Boston/Norton, MA
Location
42.2119, -71.1136

Counties covered

Program a SAME receiver with the code of your county. Coverage is NWS’s note of the part of a county the signal reaches.

CountyStateSAME codeCoverage
BristolMassachusetts025005North & central
EssexMassachusetts025009Whole county
MiddlesexMassachusetts025017Not far NW
NorfolkMassachusetts025021Whole county
PlymouthMassachusetts025023North & central
SuffolkMassachusetts025025Whole county

Nearby transmitters

More

Weather radio in MassachusettsEvery transmitterThe forecast hereAlerts in force in Massachusetts

Sources

Transmitters, status and county coverage from the National Weather Service’s NOAA Weather Radio county coverage listing (data). Public domain. Read September 26, 2026 at 3:12 PM UTC; held for an hour. Original at weather.gov. Report an outage to NWS at weather.gov/nwr.