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
Winds are forecasted to be west 15 to 25 mph with gusts up to 35 mph and relative humidity as low as 20 to 25 percent. Nc Weather Bot, Charlotte Observer, 16 Nov. 2025 That puts the film on track to land behind projections for a debut north of $20 million, now forecast for the $17 million to $19 million range. J. Kim Murphy, Variety, 15 Nov. 2025
Noun
What to Know As of the most recent forecasts from the National Weather Service (NWS) office in Las Vegas, which issues forecasts for the Death Valley area, more than 1 inch of rain is expected at Furnace Creek, which is located within the national park. Anna Skinner, MSNBC Newsweek, 14 Nov. 2025 Some Midwest cities that just saw their first snowflakes of the season could see daily record high temperatures on Saturday, forecasts show. Alexandra Banner, CNN Money, 14 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 16 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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