transitive verb forecast -·cast′ or forecasted -·cast′ed, forecasting -·cast′·ing

1. Archaic to foresee
2. to estimate or calculate in advance; predict or seek to predict (weather, business conditions, etc.)
3. to serve as a prediction or prophecy of

Etymology: ME forecasten < fore (see fore) + casten, to contrive: see cast

intransitive verb

noun

1. Archaic foresight; forethought
2. a prediction, as of weather conditions