A Forecast is an estimate or prediction of future project conditions and events based on current information and knowledge. Forecasting helps anticipate cost, schedule, and resource needs, enabling proactive decision-making.

Key Aspects of Forecasting

  • Based on Current Data & Trends – Uses real-time project performance to predict future outcomes.
  • Helps Adjust Project Plans – Allows teams to modify strategies based on expected results.
  • Can Be Applied to Cost, Schedule, or Risks – Supports multiple areas of project management.
  • Enables Proactive Decision-Making – Provides early warning for potential issues.

Types of Forecasting in Project Management

Forecast TypeDescriptionExample
Cost ForecastingPredicts total expenditures based on actual costs and budget trends.”Project cost is trending 10% over budget.”
Schedule ForecastingEstimates completion dates based on current progress.”Completion is projected to be delayed by 2 weeks.”
Risk ForecastingEvaluates potential future risks and their impact.”Material shortages may cause delays in Q3.”
Resource ForecastingPredicts workforce and material needs for upcoming phases.”Additional developers needed for Phase 2.”

Example Scenarios

Software Development

A project manager reviews burn rate trends and forecasts that budget overruns will occur in the next sprint.

Construction Project

Based on weather patterns, a contractor forecasts delays due to expected heavy rainfall.

Marketing Campaign

A team analyzes ad performance trends and forecasts that adjustments to targeting will be needed to reach engagement goals.

Why Forecasting Matters

  • Prevents Last-Minute Surprises – Helps teams adjust before issues escalate.
  • Improves Budget & Schedule Accuracy – Reduces uncertainty in project execution.
  • Enhances Risk Management – Identifies potential threats before they impact the project.
  • Supports Better Stakeholder Communication – Provides data-driven insights for informed decision-making.

See also: Estimate at Completion (EAC), Schedule Performance Index (SPI), Cost Performance Index (CPI), Risk Management.