Pittsburgh, PAHigh ≥ 77°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 +57.05u · ICON −57.05u
These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →
Probability history
Reconstructed from archived summary forecasts using a shared lead-dependent Gaussian error model. Times are initializations, not verified release times.
Forecasts & evidence
| MODEL | YES | MEAN | SPREAD σ | INITIALIZATION UTC | BRIER ↓ |
|---|---|---|---|---|---|
| WeatherNext 2 | 79% | 79.3°F | 3.5°F | 2026-09-17 12:00 | Pending |
| National Blend | 75% | 78.0°F | 2.2°F | 2026-09-19 00:00 | Pending |
| IFS HRES | 74% | 78.9°F | 3.8°F | 2026-09-18 12:00 | Pending |
| IFS Ensemble | 71% | 78.0°F | 2.7°F | 2026-09-18 00:00 | Pending |
| AIFS Single | 64% | 78.0°F | 4.1°F | 2026-09-18 18:00 | Pending |
| NWS forecast | 59% | 77.0°F | 2.2°F | 2026-09-19 02:00 | Pending |
| ICON | 7% | 71.5°F | 3.4°F | 2026-09-19 00:00 | 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 ≥ 77°F · KPIT
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-KPIT-20260919-TMAX-GE77
Opened Sep 13 · 04:07 UTC
Original listing: Pittsburgh high ≥ 77°F · Sat Sep 19
Original prop, full history & receipt ↗