Because it is news that is predicted to happen. It hasn't happen yet, hence the word "fore."
why is it called forecast
A Forecast
A forecast.
Forecast
satilite
a forecast
It is called the prognosis.
Forecast can be used as a verb or a noun.Verb: Meteorologists forecast the weather.Noun: Today's forecast looks gloomy.
Forecast is a verb (forecasting) or noun (forecast).
a forecast
A digital forecast is a forecast that relies on numerical data.
forecast weather,long range forecast
Numerologists do not forecast weather. Meteorologists forecast weather.