Breadcrumb Home > Thesaurus > W Synonyms of weather forecast Find synonyms for: Noun1. weather forecast, weather outlook, prognosis, forecastusage: a forecast of the weatherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: perambulate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language