The October JRC MARS Bulletin has revised downwards the yield forecasts for maize, sunflowers, and soybeans in Europe, due to a worsening outlook for summer crops in Bulgaria, Romania, Hungary, Croatia, and Italy. Excessive rainfall has negatively impacted the ripening, harvesting, and sowing of both summer and winter crops. The intense rainfall has also raised concerns about grain quality and have hindered the sowing campaign for winter cereals in many parts of Central and Western Europe. Other summer crops yield forecasts were maintained or slightly revised upwards at the EU level.