Recent forecast guidance from European models shows Munich under variable cloud cover with a chance of light showers or thundery activity on August 18, limiting surface heating and keeping the daily maximum near 20–21 °C. This pattern aligns with a cooler-than-average late-summer regime influenced by Atlantic westerlies and modest instability, preventing strong insolation that would otherwise push readings toward the seasonal 23 °C climatological peak. The tightly bunched market odds around 19–21 °C reflect remaining uncertainty in the precise timing and coverage of any showers versus brief sunny breaks that could allow brief warming to 22 °C or cap the high at 19 °C, with official DWD or NWS-equivalent verification determining the final recorded value.