**Forecast models from MetService and international sources currently project a daytime maximum near 12°C for Wellington on August 7, 2026, amid a transition from a recent southerly polar outbreak.** A transient ridge of high pressure is expected to moderate the cold air mass, allowing highs to reach the low teens rather than remaining suppressed in the single digits seen on August 4–6. This aligns with the market’s heavy weighting toward 12–13°C outcomes (combined ~82%), which reflect the consensus range after accounting for model spread and typical winter variability. Seasonal context reinforces these probabilities: NIWA outlooks indicate near-average or slightly below-average temperatures for the Wellington region during June–August 2026 under developing El Niño conditions, which favor west-southwest winds that can limit daytime warming. Historical August averages hover around 12°C, and the current setup—post-cold front clearing with light winds—positions 13°C as the slight favorite while keeping 11°C or below a realistic downside risk if stronger onshore flow persists. No major data releases or model runs are imminent before resolution, so trader sentiment will likely track any late adjustments in official guidance.