The leading Groundhog Day data source

Casimir’s Predictions

Concord Casimir has made 9 predictions since 2018.

  • 6 predictions (67%) of six more weeks of winter
  • 3 predictions (33%) of early spring

All predictions

Year Prediction
2026 More winter
2025 More winter
2024 More winter
2023 Early spring
2022 Early spring
2021 More winter
2020 More winter
2019 Early spring
2018 More winter