a statement made about the future
"The meteorologist's forecasting included a prediction that heavy rain would arrive by evening."
A forecast or prediction.
"The meteorologist's forecasting accurately predicted heavy rain for the weekend."
present participle of forecast
"The meteorologist spent hours forecasting the weather pattern for the upcoming week."
In plain English: Forecasting means predicting what will happen next based on current information and patterns.
"The meteorologist spent all morning forecasting heavy rain for the weekend."
The word forecasting comes from combining "fore-" (meaning before) with "cast," originally referring to the act of throwing or casting something ahead to predict future events. This term entered English as a gerund form describing the process of making such predictions about what is likely to happen later.