Boston, MAHigh ≥ 69°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 EXECUTED100 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.
WN2 +47.10u · ICON −47.10u
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 ↓ |
|---|---|---|---|---|---|
| National Blend | 75% | 70.0°F | 2.2°F | 2026-10-16 06:00 | 0.0635 |
| WeatherNext 2 | 68% | 69.7°F | 2.5°F | 2026-10-16 00:00 | 0.1011 |
| IFS Ensemble | 60% | 69.3°F | 3.2°F | 2026-10-16 00:00 | 0.1608 |
| NWS forecast | 59% | 69.0°F | 2.2°F | 2026-10-16 02:00 | 0.1681 |
| AIFS Single | 47% | 68.3°F | 3.1°F | 2026-10-16 00:00 | 0.2767 |
| IFS HRES | 47% | 68.2°F | 3.7°F | 2026-10-15 12:00 | 0.2830 |
| ICON | 38% | 67.4°F | 3.5°F | 2026-10-16 00:00 | 0.3894 |
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 ≥ 69°F · KBOS
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-KBOS-20261016-TMAX-GE69
Opened Oct 15 · 16:19 UTC
Original listing: Boston high ≥ 69°F · Fri Oct 16
Original prop, full history & receipt ↗