Washington, DCHigh ≥ 64°F
Who takes which side?
Probabilities derived from each source’s mean and spread. Forecasts may have different initialization times.
Head-to-head preview
ILLUSTRATIVE · NOT EXECUTED50 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.
WN2 +2.72u · HRES −2.72u
These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →
Probability history
Recorded source probabilities; timestamps mark snapshots. Repeated values may come from the same model run.
Forecasts & evidence
| MODEL | YES | MEAN | SPREAD σ | INITIALIZATION UTC | BRIER ↓ |
|---|---|---|---|---|---|
| WeatherNext 2 | >99% | 75.7°F | 3.4°F | 2026-10-17 00:00 | Pending |
| AIFS Single | >99% | 74.7°F | 4.3°F | 2026-10-17 06:00 | Pending |
| IFS Ensemble | 97% | 68.6°F | 2.8°F | 2026-10-17 00:00 | Pending |
| ICON | 95% | 69.9°F | 4.0°F | 2026-10-17 00:00 | Pending |
| IFS HRES | 89% | 69.0°F | 4.5°F | 2026-10-17 00:00 | Pending |
| National Blend | 84% | 68.0°F | 4.4°F | 2026-10-17 06:00 | Pending |
| NWS forecast | 55% | 64.0°F | 3.9°F | 2026-10-17 03:00 | Pending |
Spread is the standard deviation used in the probability approximation. It is not a measured confidence rating. Brier here scores the latest recorded snapshot, not a league deadline.
High ≥ 64°F · KDCA
Daily temperature props settle on the ACIS official station record. Inclusive and strict thresholds retain their exact meanings. Provisional observations do not replace the settlement record.
WP-KDCA-20261020-TMAX-GE64
Opened Oct 17 · 04:40 UTC
Original listing: Washington high ≥ 64°F · Tue Oct 20
Original prop, full history & receipt ↗