The most common and most likely answer to this crossword clue is the 7 letter word PREDICT
I've seen this crossword clue in The Daily Telegraph
P
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D
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More clues leading to the result PREDICT
- Foretell proportional representation in advance of official order
- Divine law associated with electoral system
- Forecast from pair ahead of decree
- Foresee alcoholic drink turning up in pint container?
- Divine claret may be drunk by old Scot
- Reportedly chose to accept socialist’s forecast
- Foresee bull chasing priest
- Quiet formal announcement following end of weather forecast
- Divine ruby stolen by ancient Briton
- Forecast from pair before proclamation
Buddy explains!

The straight part
We know that "forecast" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case forecast = predict.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PREDICT mean?
PREDICT noun- A prediction.
- To make a prediction: to forecast, foretell, or estimate a future event on the basis of knowledge and reasoning; to prophesy a future event on the basis of mystical knowledge or power.
- (of theories, laws, etc.) To imply.
- To make predictions.
- To direct a ranged weapon against a target by means of a predictor.