{"icao":"KBED","name":"Laurence G Hanscom Field","lat":42.47,"lon":-71.289,"country":"US","tz":"America/New_York","updated":"2026-09-04T14:25Z","window":{"start":"2016-01-01","through":"2026-08-15"},"climatology":{"subCat1HoursPerYear":49,"bandDefinition":"visibility < ~800 m OR ceiling < 200 ft","fogSeasonPeakMonths":["December","October"],"monthlyHours":[4,5,5,3,2,3,2,2,5,7,2,9],"medianEventHours":1,"season":{"summary":"Fog season is January, February, March, April, June, September, October, December, peaking in December; fog is mostly a 1 AM\u20137 AM phenomenon; typically thinning out by 9 AM; a typical event lasts about 1 hour (local time, 10-year average).","months":["January","February","March","April","June","September","October","December"],"timeOfDay":"1 AM\u20137 AM","typicallyClearsBy":"9 AM"}},"forecast":{"covered":true,"public":false,"cycle":"2026-09-04T13:00:00Z","guidanceSignal":true,"wording":"NWS guidance shows a fog signal here in the next 48 hours. This station's calibrated percentages publish after live verification clears the accuracy bar. September typically brings about 5 hours of dense fog here."},"links":{"page":"https://fogatlas.org/fog/kbed/","liveForecastApi":"https://fogatlas.org/api/forecast","liveObservationsApi":"https://fogatlas.org/api/metar?ids=KBED","hourlyClimatologyDetail":"https://fogatlas.org/data/detail/KBED.json","verification":"https://fogatlas.org/fog/scorecard/","methodology":"https://fogatlas.org/#methodology"}}