Are the Farmers’ Almanac forecasts actually accurate?
The Farmers’ Almanac is generally considered to have an accuracy rate of roughly 50%–52%, which is similar to a coin toss. While they use a proprietary, “secret” formula based on solar activity and planetary, their predictions are not scientifically validated.
Every fall, the Farmers’ Almanac and Old Farmer’s Almanac roll out their much-anticipated winter forecasts that feature colorful predictions filled with phrases like “wet and wild” or “cold and dry.” But how accurate are they, really?
- Scientific Studies: A 5-year study by the University of Illinois found the Old Farmer’s Almanac was only about 52% accurate, with 50.7% for temperature and 51.9% for precipitation.
- Methodology: Predictions are made up to 2 years in advance using “time-tested” formulas rather than modern meteorological modeling.
- Perception vs. Reality: Because predictions are broad, they can seem accurate, but they are considered less reliable than modern 10-day forecasts.
- Claims: The Almanac stands by its accuracy, sometimes claiming up to 80-85% success rates.
It is best viewed as a fun, traditional read rather than a precise forecasting tool. “I’m all for enjoying the tradition,” he said, “but when it comes to planning for winter weather — trust the science.”