predict与forecast在预测、预报方面可以通用,而foretell只作“预言、预示”解.
predict---
To foretell something;
predict an eclipse;
预报日（月）蚀；
predict rain for tomorrow
预告明天有雨
（常与that连用）预言；预测；预示
She predicted that he would marry a doctor.
她预言他将娶一位医生.
forecast---To estimate or calculate in advance,especially to predict (weather conditions) by analysis of meteorological data.
预测；预报
The newspaper's forecast that the Democrats would be totally beaten in the general election came true.
"报纸预测民主党人在这次大选中将被彻底击败,结果变成了事实."
The recent statement of the president forecast a change in the situation.
总统最近的一次讲话预示着形势将有所变化.
forecasting the weather;
预报天气；
the weather forecast
天气预报
Hurricane has been forecast for tomorrow afternoon.
天气预报说明天下午有飓风.
Do you listen to the weather forecast from the local radio station every morning?
你们是不是每天早晨听当地电台的天气预报?
foretell--
To tell of or indicate beforehand; predict.
预言,预示事先告知或暗示；预示
foretelling the future;
预示未来；
foretold the collapse of the government;
预言政府的倒台；
