forecast

1 of 2

verb

fore·​cast ˈfȯr-ˌkast How to pronounce forecast (audio)
fȯr-ˈkast
forecast also forecasted; forecasting

transitive verb

1
a
: to calculate or predict (some future event or condition) usually as a result of study and analysis of available pertinent data
The company is forecasting reduced profits.
especially : to predict (weather conditions) on the basis of correlated meteorological (see meteorology sense 1) observations
They're forecasting rain for this weekend.
b
: to indicate as likely to occur
Optimists are forecasting an immediate upswing in business.
2
: to serve as a forecast of : presage
Such events may forecast peace.

intransitive verb

: to calculate the future
if it turns out as I forecasted
forecastable adjective
forecaster noun

forecast

2 of 2

noun

fore·​cast ˈfȯr-ˌkast How to pronounce forecast (audio)
1
: a prophecy, estimate, or prediction of a future happening or condition
2
archaic : foresight of consequences and provision against them : forethought
Choose the Right Synonym for forecast

foretell, predict, forecast, prophesy, prognosticate mean to tell beforehand.

foretell applies to the telling of the coming of a future event by any procedure or any source of information.

seers foretold the calamity

predict commonly implies inference from facts or accepted laws of nature.

astronomers predicted an eclipse

forecast adds the implication of anticipating eventualities and differs from predict in being usually concerned with probabilities rather than certainties.

forecast snow

prophesy connotes inspired or mystic knowledge of the future especially as the fulfilling of divine threats or promises.

prophesying a new messiah

prognosticate is used less often than the other words; it may suggest learned or skilled interpretation, but more often it is simply a colorful substitute for predict or prophesy.

prognosticating the future

Examples of forecast in a Sentence

Verb They're forecasting rain for this weekend. The company is forecasting reduced profits. Experts forecast that the economy will slow in the coming months. Noun want to catch the weather forecast so I'll know what kind of clothes to pack for the trip tomorrow
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
That puts it on the path to land well ahead of its pre-weekend projections, which had forecast an opening from $25 million to $30 million. J. Kim Murphy, Variety, 8 Nov. 2025 More than 100,000 residents were evacuated across eastern and northern regions on Sunday, according to the Reuters news agency, where Fung-wong is forecast to make landfall from Sunday evening, local time. Laura Sharman, CNN Money, 8 Nov. 2025
Noun
In his forecast, Pakko said Arkansas' payroll employment will see less than 1% growth. Sydney Sasser, Arkansas Online, 7 Nov. 2025 Cook notes that the precipitation forecast is still subject to change, however. Meghan Bartels, Scientific American, 7 Nov. 2025 See All Example Sentences for forecast

Word History

First Known Use

Verb

15th century, in the meaning defined at transitive sense 1a

Noun

1527, in the meaning defined at sense 2

Time Traveler
The first known use of forecast was in the 15th century

Browse Nearby Words

Cite this Entry

“Forecast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/forecast. Accessed 10 Nov. 2025.

Kids Definition

forecast

1 of 2 verb
fore·​cast ˈfō(ə)r-ˌkast How to pronounce forecast (audio)
ˈfȯ(ə)r-
forecast also forecasted; forecasting
: to calculate or predict (a future event or state) usually by study and examination of data
forecast the weather
forecaster noun

forecast

2 of 2 noun
: an estimate or prediction of a future happening or condition
weather forecasts

More from Merriam-Webster on forecast

Last Updated: - Updated example sentences
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