forecast

American  

[fawr-kast, -kahst, fohr-] / ˈfɔrˌkæst, -ˌkɑst, ˈfoʊr- /

verb (used with object)

forecast, forecasted, forecasting

1. to predict (a future condition or occurrence); calculate in advance.

   to forecast a heavy snowfall; to forecast lower interest rates.

   Synonyms:

   anticipate, foretell

2. to serve as a prediction of; foreshadow.

3. to contrive or plan beforehand; prearrange.

   Synonyms:

   project

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verb (used without object)

forecast, forecasted, forecasting

1. to conjecture beforehand; make a prediction.

   Synonyms:

   estimate, guess

2. to plan or arrange beforehand.

noun

1. a prediction, especially as to the weather.

2. a conjecture as to something in the future.

   Synonyms:

   estimate, guess

3. the act, practice, or faculty of forecasting.

4. Archaic. foresight in planning.

   Synonyms:

   prescience, forethought

forecast British  

/ ˈfɔːˌkɑːst /

verb

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

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noun

1. a statement of probable future weather conditions calculated from meteorological data

2. a prophecy or prediction

3. the practice or power of forecasting

Related Words

See predict.

Other Word Forms

• forecastable adjective
• forecaster noun
• reforecast verb (used with object)reforecast, reforecasted, reforecasting
• unforecast adjective
• unforecasted adjective

Etymology

Origin of forecast

First recorded in 1400–50; Middle English (verb) “to plan ahead of time”; fore-, cast ( def. )

Explanation

A forecast is a prediction of what will happen. If the weather forecast calls for sunny skies, consider leaving your umbrella at home. (But, since forecasts aren’t guaranteed to be right, don’t blame us if you get rained on.) While often used in the context of weather, forecast can also be used for other types of predictions such as those related to financial or political outcomes. Note that a forecast is typically a prediction made by experts. So, while a financial analyst might forecast fourth-quarter profits, your prediction about whether your friend will pay back the five dollars he owes you is more of a hunch than a forecast.

Example Sentences

A poor snowpack this winter in the Rockies means it is forecast to keep falling.

From The Wall Street Journal • Apr. 16, 2026

However, this forecast was also made before the start of the war began.

From BBC • Apr. 16, 2026

Prologis boosted its fiscal-year earnings forecast to $3.80-$4.05 a share and recorded 64 million square feet in lease signings.

From The Wall Street Journal • Apr. 16, 2026

Nowak says Meta trades at a discount to its large-cap peers when measured by its future earnings—around 18 times its 2027 earnings forecast.

From Barron's • Apr. 15, 2026

But I saw, too, that Barack’s own forecast had been correct as well.

From "Becoming" by Michelle Obama

Related Words

• anticipate
• augur
• calculate
• conclude
• determine
• estimate
• foresee
• foretell
• gauge
• portend