The closely matched market-implied probabilities across outcomes from 1°C or below to 11°C or higher reflect high uncertainty in Moscow's early-spring weather forecasting, with ensemble forecasts from ECMWF and GFS models showing a wide spread of daily maximum temperatures around 2–10°C four days out. Recent cooling after April 4 highs near 12–17°C, per Roshydromet observations, stems from an advancing low-pressure system over European Russia, potentially drawing Arctic air masses southward and limiting diurnal warming via cloudiness and light precipitation. Moscow's humid continental climate (Köppen Dfb) features pronounced variability, with historical April 8 highs averaging 6–9°C amid frequent frontal passages. Key differentiators include wind direction—northerly for cold advection versus southerly for mild anomalies—and cloud cover; traders eye 00Z/12Z model runs for updates on upper-level steering patterns.