**Recent official and model forecasts for Moscow on August 29, 2026, show daytime maxima clustered tightly around 20–21°C under variable cloudiness, light southerly to southwesterly winds, and only isolated light rain or showers.** This consensus across sources such as Yandex Weather, GFS-based models, and local meteorological centers explains why the market assigns 53% implied probability to 21°C and 30% to 20°C, with 22°C a distant third at 15%. Late-August climatology for Moscow features average daily highs near 19°C, so current guidance represents a modest positive anomaly driven by southerly flow rather than strong insolation or blocking patterns. Hourly model runs and updated briefings through August 28 consistently peak in the 20.3–20.6°C range during afternoon hours, with cloud cover and weak winds limiting further warming. Minor model spread exists around shower timing and exact wind direction, but none support excursions above 22°C or below 19°C given the stable pressure field and absence of strong frontal passages. Traders are therefore pricing the outcome near the upper end of the most probable forecast envelope, with the modest probability on 22°C reflecting residual uncertainty in afternoon clearing or localized heating. New model runs and any last-minute observational adjustments from regional stations will provide the next potential catalysts before resolution.