[fawr-kast, -kahst, fohr-]
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verb (used with object), fore·cast or fore·cast·ed, fore·cast·ing.
  1. to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
  2. to serve as a prediction of; foreshadow.
  3. to contrive or plan beforehand; prearrange.
verb (used without object), fore·cast or fore·cast·ed, fore·cast·ing.
  1. to conjecture beforehand; make a prediction.
  2. to plan or arrange beforehand.
  1. a prediction, especially as to the weather.
  2. a conjecture as to something in the future.
  3. the act, practice, or faculty of forecasting.
  4. Archaic. foresight in planning.

Origin of forecast

1350–1400; Middle English (noun) plan. See fore-, cast
Related formsfore·cast·a·ble, adjectivefore·cast·er, nounre·fore·cast, verb (used with object), re·fore·cast or re·fore·cast·ed, re·fore·cast·ing.un·fore·cast, adjectiveun·fore·cast·ed, adjective

Synonyms for forecast

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Synonym study

1. See predict. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for forecaster

seer, astrologer, meteorologist, soothsayer, prophet, nostradamus

Examples from the Web for forecaster

Historical Examples of forecaster

British Dictionary definitions for forecaster


verb -casts, -casting, -cast or -casted
  1. to predict or calculate (weather, events, etc), in advance
  2. (tr) to serve as an early indication of
  3. (tr) to plan in advance
  1. a statement of probable future weather conditions calculated from meteorological data
  2. a prophecy or prediction
  3. the practice or power of forecasting
Derived Formsforecaster, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for forecaster

1630s, agent noun from forecast (v.).



late 14c., "to scheme," from fore- "before" + casten "contrive." Meaning "predict events" first attested late 15c. Related: Forecasted; forecasting.



early 15c., probably from forecast (v.); earliest sense was "forethought, prudence;" meaning "conjectured estimate of a future course" is from 1670s. A Middle English word for weather forecasting was aeromancy.

Online Etymology Dictionary, © 2010 Douglas Harper