San Francisco, CAHigh ≥ 80°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.
ICON +57.05u · WN2 −57.05u
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 ↓ |
|---|---|---|---|---|---|
| ICON | 86% | 83.7°F | 4.0°F | 2026-10-14 12:00 | 0.0210 |
| IFS HRES | 82% | 83.5°F | 4.5°F | 2026-10-14 12:00 | 0.0342 |
| NWS forecast | 55% | 80.0°F | 3.9°F | 2026-10-14 14:00 | 0.2016 |
| IFS Ensemble | 53% | 79.7°F | 2.8°F | 2026-10-14 00:00 | 0.2228 |
| National Blend | 44% | 79.0°F | 3.3°F | 2026-10-14 06:00 | 0.3125 |
| AIFS Single | 3% | 71.3°F | 4.3°F | 2026-10-14 18:00 | 0.9448 |
| WeatherNext 2 | <1% | 70.6°F | 3.4°F | 2026-10-14 12:00 | 0.9920 |
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 ≥ 80°F · KSFO
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-KSFO-20261017-TMAX-GE80
Opened Oct 14 · 15:12 UTC
Original listing: San Francisco high ≥ 80°F · Sat Oct 17
Original prop, full history & receipt ↗