Skilful in forecasting the changes of the weather(adjective)
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Use "weatherwise" in a sentence
"Bozo The Neoclown says: last weekend which was the first nice weekend weatherwise in boston drew five thousand people to the common for a sunday afternoon stroll."
"Coming from Detroit rather than New Orleans might make Mérida a bit of a shock weatherwise."
"That's the story through tomorrow as we await the chance of a little light snow to close out an otherwise pedestrian week weatherwise."