the former name of the U.S. National Weather Service.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for weather bureau
Historical Examples of weather bureau
But the clerk of the weather-bureau evidently understood the necessity for favorable conditions and issued them accordingly.
He walked up and idly inspected the kiosk where the weather-bureau reports were posted.Stubble