Boulder's five zip codes each cover a distinct slice of the city's elevation range and neighborhood mix, from the eastern plains of Gunbarrel and Arapahoe Ridge to the foothills communities approaching the Flatirons. Each page below covers current conditions, stream flow where a USGS gauge is nearby, fire risk, and FEMA flood zone for the neighborhoods within that zip.

Boulder Zip Codes

  • 80301 weather -- Gunbarrel, NE Boulder, eastern plains
  • 80302 weather -- Downtown, Mapleton Hill, Chautauqua, North Boulder foothills
  • 80303 weather -- South Boulder, Table Mesa, Bear Creek, Frasier Meadows
  • 80304 weather -- Newlands, Kalmia, North Boulder, Wonderland Hills
  • 80305 weather -- South Boulder, Shanahan Ridge, Dakota Ridge, Bear Creek